[29/51] [partial] hbase-site git commit: Published site at .

[git-site-role]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83bf6175/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.html
index d405629..3ec93bb 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.html
@@ -371,1638 +371,1646 @@
 <span class="sourceLineNo">363</span>    if (params.getWriteBufferSize() == 
BufferedMutatorParams.UNSET) {<a name="line.363"></a>
 <span class="sourceLineNo">364</span>      
params.writeBufferSize(connectionConfig.getWriteBufferSize());<a 
name="line.364"></a>
 <span class="sourceLineNo">365</span>    }<a name="line.365"></a>
-<span class="sourceLineNo">366</span>    if (params.getMaxKeyValueSize() == 
BufferedMutatorParams.UNSET) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span>      
params.maxKeyValueSize(connectionConfig.getMaxKeyValueSize());<a 
name="line.367"></a>
-<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
-<span class="sourceLineNo">369</span>    // Look to see if an alternate 
BufferedMutation implementation is wanted.<a name="line.369"></a>
-<span class="sourceLineNo">370</span>    // Look in params and in config. If 
null, use default.<a name="line.370"></a>
-<span class="sourceLineNo">371</span>    String implementationClassName = 
params.getImplementationClassName();<a name="line.371"></a>
-<span class="sourceLineNo">372</span>    if (implementationClassName == null) 
{<a name="line.372"></a>
-<span class="sourceLineNo">373</span>      implementationClassName = 
this.alternateBufferedMutatorClassName;<a name="line.373"></a>
-<span class="sourceLineNo">374</span>    }<a name="line.374"></a>
-<span class="sourceLineNo">375</span>    if (implementationClassName == null) 
{<a name="line.375"></a>
-<span class="sourceLineNo">376</span>      return new 
BufferedMutatorImpl(this, rpcCallerFactory, rpcControllerFactory, params);<a 
name="line.376"></a>
-<span class="sourceLineNo">377</span>    }<a name="line.377"></a>
-<span class="sourceLineNo">378</span>    try {<a name="line.378"></a>
-<span class="sourceLineNo">379</span>      return 
(BufferedMutator)ReflectionUtils.newInstance(Class.forName(implementationClassName),<a
 name="line.379"></a>
-<span class="sourceLineNo">380</span>          this, rpcCallerFactory, 
rpcControllerFactory, params);<a name="line.380"></a>
-<span class="sourceLineNo">381</span>    } catch (ClassNotFoundException e) 
{<a name="line.381"></a>
-<span class="sourceLineNo">382</span>      throw new RuntimeException(e);<a 
name="line.382"></a>
-<span class="sourceLineNo">383</span>    }<a name="line.383"></a>
-<span class="sourceLineNo">384</span>  }<a name="line.384"></a>
-<span class="sourceLineNo">385</span><a name="line.385"></a>
-<span class="sourceLineNo">386</span>  @Override<a name="line.386"></a>
-<span class="sourceLineNo">387</span>  public BufferedMutator 
getBufferedMutator(TableName tableName) {<a name="line.387"></a>
-<span class="sourceLineNo">388</span>    return getBufferedMutator(new 
BufferedMutatorParams(tableName));<a name="line.388"></a>
-<span class="sourceLineNo">389</span>  }<a name="line.389"></a>
-<span class="sourceLineNo">390</span><a name="line.390"></a>
-<span class="sourceLineNo">391</span>  @Override<a name="line.391"></a>
-<span class="sourceLineNo">392</span>  public RegionLocator 
getRegionLocator(TableName tableName) throws IOException {<a 
name="line.392"></a>
-<span class="sourceLineNo">393</span>    return new HRegionLocator(tableName, 
this);<a name="line.393"></a>
-<span class="sourceLineNo">394</span>  }<a name="line.394"></a>
-<span class="sourceLineNo">395</span><a name="line.395"></a>
-<span class="sourceLineNo">396</span>  @Override<a name="line.396"></a>
-<span class="sourceLineNo">397</span>  public Admin getAdmin() throws 
IOException {<a name="line.397"></a>
-<span class="sourceLineNo">398</span>    return new HBaseAdmin(this);<a 
name="line.398"></a>
-<span class="sourceLineNo">399</span>  }<a name="line.399"></a>
-<span class="sourceLineNo">400</span><a name="line.400"></a>
-<span class="sourceLineNo">401</span>  @Override<a name="line.401"></a>
-<span class="sourceLineNo">402</span>  public MetricsConnection 
getConnectionMetrics() {<a name="line.402"></a>
-<span class="sourceLineNo">403</span>    return this.metrics;<a 
name="line.403"></a>
-<span class="sourceLineNo">404</span>  }<a name="line.404"></a>
-<span class="sourceLineNo">405</span><a name="line.405"></a>
-<span class="sourceLineNo">406</span>  private ExecutorService getBatchPool() 
{<a name="line.406"></a>
-<span class="sourceLineNo">407</span>    if (batchPool == null) {<a 
name="line.407"></a>
-<span class="sourceLineNo">408</span>      synchronized (this) {<a 
name="line.408"></a>
-<span class="sourceLineNo">409</span>        if (batchPool == null) {<a 
name="line.409"></a>
-<span class="sourceLineNo">410</span>          int threads = 
conf.getInt("hbase.hconnection.threads.max", 256);<a name="line.410"></a>
-<span class="sourceLineNo">411</span>          this.batchPool = 
getThreadPool(threads, threads, "-shared", null);<a name="line.411"></a>
-<span class="sourceLineNo">412</span>          this.cleanupPool = true;<a 
name="line.412"></a>
-<span class="sourceLineNo">413</span>        }<a name="line.413"></a>
-<span class="sourceLineNo">414</span>      }<a name="line.414"></a>
-<span class="sourceLineNo">415</span>    }<a name="line.415"></a>
-<span class="sourceLineNo">416</span>    return this.batchPool;<a 
name="line.416"></a>
-<span class="sourceLineNo">417</span>  }<a name="line.417"></a>
-<span class="sourceLineNo">418</span><a name="line.418"></a>
-<span class="sourceLineNo">419</span>  private ExecutorService 
getThreadPool(int maxThreads, int coreThreads, String nameHint,<a 
name="line.419"></a>
-<span class="sourceLineNo">420</span>      BlockingQueue&lt;Runnable&gt; 
passedWorkQueue) {<a name="line.420"></a>
-<span class="sourceLineNo">421</span>    // shared HTable thread executor not 
yet initialized<a name="line.421"></a>
-<span class="sourceLineNo">422</span>    if (maxThreads == 0) {<a 
name="line.422"></a>
-<span class="sourceLineNo">423</span>      maxThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.423"></a>
-<span class="sourceLineNo">424</span>    }<a name="line.424"></a>
-<span class="sourceLineNo">425</span>    if (coreThreads == 0) {<a 
name="line.425"></a>
-<span class="sourceLineNo">426</span>      coreThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.426"></a>
-<span class="sourceLineNo">427</span>    }<a name="line.427"></a>
-<span class="sourceLineNo">428</span>    long keepAliveTime = 
conf.getLong("hbase.hconnection.threads.keepalivetime", 60);<a 
name="line.428"></a>
-<span class="sourceLineNo">429</span>    BlockingQueue&lt;Runnable&gt; 
workQueue = passedWorkQueue;<a name="line.429"></a>
-<span class="sourceLineNo">430</span>    if (workQueue == null) {<a 
name="line.430"></a>
-<span class="sourceLineNo">431</span>      workQueue =<a name="line.431"></a>
-<span class="sourceLineNo">432</span>        new 
LinkedBlockingQueue&lt;&gt;(maxThreads *<a name="line.432"></a>
-<span class="sourceLineNo">433</span>            
conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.433"></a>
-<span class="sourceLineNo">434</span>                
HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS));<a name="line.434"></a>
-<span class="sourceLineNo">435</span>      coreThreads = maxThreads;<a 
name="line.435"></a>
-<span class="sourceLineNo">436</span>    }<a name="line.436"></a>
-<span class="sourceLineNo">437</span>    ThreadPoolExecutor tpe = new 
ThreadPoolExecutor(<a name="line.437"></a>
-<span class="sourceLineNo">438</span>        coreThreads,<a 
name="line.438"></a>
-<span class="sourceLineNo">439</span>        maxThreads,<a name="line.439"></a>
-<span class="sourceLineNo">440</span>        keepAliveTime,<a 
name="line.440"></a>
-<span class="sourceLineNo">441</span>        TimeUnit.SECONDS,<a 
name="line.441"></a>
-<span class="sourceLineNo">442</span>        workQueue,<a name="line.442"></a>
-<span class="sourceLineNo">443</span>        
Threads.newDaemonThreadFactory(toString() + nameHint));<a name="line.443"></a>
-<span class="sourceLineNo">444</span>    tpe.allowCoreThreadTimeOut(true);<a 
name="line.444"></a>
-<span class="sourceLineNo">445</span>    return tpe;<a name="line.445"></a>
-<span class="sourceLineNo">446</span>  }<a name="line.446"></a>
-<span class="sourceLineNo">447</span><a name="line.447"></a>
-<span class="sourceLineNo">448</span>  private ExecutorService 
getMetaLookupPool() {<a name="line.448"></a>
-<span class="sourceLineNo">449</span>    if (this.metaLookupPool == null) {<a 
name="line.449"></a>
-<span class="sourceLineNo">450</span>      synchronized (this) {<a 
name="line.450"></a>
-<span class="sourceLineNo">451</span>        if (this.metaLookupPool == null) 
{<a name="line.451"></a>
-<span class="sourceLineNo">452</span>          //Some of the threads would be 
used for meta replicas<a name="line.452"></a>
-<span class="sourceLineNo">453</span>          //To start with, 
threads.max.core threads can hit the meta (including replicas).<a 
name="line.453"></a>
-<span class="sourceLineNo">454</span>          //After that, requests will get 
queued up in the passed queue, and only after<a name="line.454"></a>
-<span class="sourceLineNo">455</span>          //the queue is full, a new 
thread will be started<a name="line.455"></a>
-<span class="sourceLineNo">456</span>          int threads = 
conf.getInt("hbase.hconnection.meta.lookup.threads.max", 128);<a 
name="line.456"></a>
-<span class="sourceLineNo">457</span>          this.metaLookupPool = 
getThreadPool(<a name="line.457"></a>
-<span class="sourceLineNo">458</span>             threads,<a 
name="line.458"></a>
-<span class="sourceLineNo">459</span>             threads,<a 
name="line.459"></a>
-<span class="sourceLineNo">460</span>             "-metaLookup-shared-", new 
LinkedBlockingQueue&lt;&gt;());<a name="line.460"></a>
-<span class="sourceLineNo">461</span>        }<a name="line.461"></a>
-<span class="sourceLineNo">462</span>      }<a name="line.462"></a>
-<span class="sourceLineNo">463</span>    }<a name="line.463"></a>
-<span class="sourceLineNo">464</span>    return this.metaLookupPool;<a 
name="line.464"></a>
-<span class="sourceLineNo">465</span>  }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span>  protected ExecutorService 
getCurrentMetaLookupPool() {<a name="line.467"></a>
-<span class="sourceLineNo">468</span>    return metaLookupPool;<a 
name="line.468"></a>
-<span class="sourceLineNo">469</span>  }<a name="line.469"></a>
-<span class="sourceLineNo">470</span><a name="line.470"></a>
-<span class="sourceLineNo">471</span>  protected ExecutorService 
getCurrentBatchPool() {<a name="line.471"></a>
-<span class="sourceLineNo">472</span>    return batchPool;<a 
name="line.472"></a>
+<span class="sourceLineNo">366</span>    if 
(params.getWriteBufferPeriodicFlushTimeoutMs() == BufferedMutatorParams.UNSET) 
{<a name="line.366"></a>
+<span class="sourceLineNo">367</span>      
params.setWriteBufferPeriodicFlushTimeoutMs(<a name="line.367"></a>
+<span class="sourceLineNo">368</span>              
connectionConfig.getWriteBufferPeriodicFlushTimeoutMs());<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    }<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    if 
(params.getWriteBufferPeriodicFlushTimerTickMs() == 
BufferedMutatorParams.UNSET) {<a name="line.370"></a>
+<span class="sourceLineNo">371</span>      
params.setWriteBufferPeriodicFlushTimerTickMs(<a name="line.371"></a>
+<span class="sourceLineNo">372</span>              
connectionConfig.getWriteBufferPeriodicFlushTimerTickMs());<a 
name="line.372"></a>
+<span class="sourceLineNo">373</span>    }<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    if (params.getMaxKeyValueSize() == 
BufferedMutatorParams.UNSET) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span>      
params.maxKeyValueSize(connectionConfig.getMaxKeyValueSize());<a 
name="line.375"></a>
+<span class="sourceLineNo">376</span>    }<a name="line.376"></a>
+<span class="sourceLineNo">377</span>    // Look to see if an alternate 
BufferedMutation implementation is wanted.<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    // Look in params and in config. If 
null, use default.<a name="line.378"></a>
+<span class="sourceLineNo">379</span>    String implementationClassName = 
params.getImplementationClassName();<a name="line.379"></a>
+<span class="sourceLineNo">380</span>    if (implementationClassName == null) 
{<a name="line.380"></a>
+<span class="sourceLineNo">381</span>      implementationClassName = 
this.alternateBufferedMutatorClassName;<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    }<a name="line.382"></a>
+<span class="sourceLineNo">383</span>    if (implementationClassName == null) 
{<a name="line.383"></a>
+<span class="sourceLineNo">384</span>      return new 
BufferedMutatorImpl(this, rpcCallerFactory, rpcControllerFactory, params);<a 
name="line.384"></a>
+<span class="sourceLineNo">385</span>    }<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    try {<a name="line.386"></a>
+<span class="sourceLineNo">387</span>      return 
(BufferedMutator)ReflectionUtils.newInstance(Class.forName(implementationClassName),<a
 name="line.387"></a>
+<span class="sourceLineNo">388</span>          this, rpcCallerFactory, 
rpcControllerFactory, params);<a name="line.388"></a>
+<span class="sourceLineNo">389</span>    } catch (ClassNotFoundException e) 
{<a name="line.389"></a>
+<span class="sourceLineNo">390</span>      throw new RuntimeException(e);<a 
name="line.390"></a>
+<span class="sourceLineNo">391</span>    }<a name="line.391"></a>
+<span class="sourceLineNo">392</span>  }<a name="line.392"></a>
+<span class="sourceLineNo">393</span><a name="line.393"></a>
+<span class="sourceLineNo">394</span>  @Override<a name="line.394"></a>
+<span class="sourceLineNo">395</span>  public BufferedMutator 
getBufferedMutator(TableName tableName) {<a name="line.395"></a>
+<span class="sourceLineNo">396</span>    return getBufferedMutator(new 
BufferedMutatorParams(tableName));<a name="line.396"></a>
+<span class="sourceLineNo">397</span>  }<a name="line.397"></a>
+<span class="sourceLineNo">398</span><a name="line.398"></a>
+<span class="sourceLineNo">399</span>  @Override<a name="line.399"></a>
+<span class="sourceLineNo">400</span>  public RegionLocator 
getRegionLocator(TableName tableName) throws IOException {<a 
name="line.400"></a>
+<span class="sourceLineNo">401</span>    return new HRegionLocator(tableName, 
this);<a name="line.401"></a>
+<span class="sourceLineNo">402</span>  }<a name="line.402"></a>
+<span class="sourceLineNo">403</span><a name="line.403"></a>
+<span class="sourceLineNo">404</span>  @Override<a name="line.404"></a>
+<span class="sourceLineNo">405</span>  public Admin getAdmin() throws 
IOException {<a name="line.405"></a>
+<span class="sourceLineNo">406</span>    return new HBaseAdmin(this);<a 
name="line.406"></a>
+<span class="sourceLineNo">407</span>  }<a name="line.407"></a>
+<span class="sourceLineNo">408</span><a name="line.408"></a>
+<span class="sourceLineNo">409</span>  @Override<a name="line.409"></a>
+<span class="sourceLineNo">410</span>  public MetricsConnection 
getConnectionMetrics() {<a name="line.410"></a>
+<span class="sourceLineNo">411</span>    return this.metrics;<a 
name="line.411"></a>
+<span class="sourceLineNo">412</span>  }<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span>  private ExecutorService getBatchPool() 
{<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    if (batchPool == null) {<a 
name="line.415"></a>
+<span class="sourceLineNo">416</span>      synchronized (this) {<a 
name="line.416"></a>
+<span class="sourceLineNo">417</span>        if (batchPool == null) {<a 
name="line.417"></a>
+<span class="sourceLineNo">418</span>          int threads = 
conf.getInt("hbase.hconnection.threads.max", 256);<a name="line.418"></a>
+<span class="sourceLineNo">419</span>          this.batchPool = 
getThreadPool(threads, threads, "-shared", null);<a name="line.419"></a>
+<span class="sourceLineNo">420</span>          this.cleanupPool = true;<a 
name="line.420"></a>
+<span class="sourceLineNo">421</span>        }<a name="line.421"></a>
+<span class="sourceLineNo">422</span>      }<a name="line.422"></a>
+<span class="sourceLineNo">423</span>    }<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    return this.batchPool;<a 
name="line.424"></a>
+<span class="sourceLineNo">425</span>  }<a name="line.425"></a>
+<span class="sourceLineNo">426</span><a name="line.426"></a>
+<span class="sourceLineNo">427</span>  private ExecutorService 
getThreadPool(int maxThreads, int coreThreads, String nameHint,<a 
name="line.427"></a>
+<span class="sourceLineNo">428</span>      BlockingQueue&lt;Runnable&gt; 
passedWorkQueue) {<a name="line.428"></a>
+<span class="sourceLineNo">429</span>    // shared HTable thread executor not 
yet initialized<a name="line.429"></a>
+<span class="sourceLineNo">430</span>    if (maxThreads == 0) {<a 
name="line.430"></a>
+<span class="sourceLineNo">431</span>      maxThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.431"></a>
+<span class="sourceLineNo">432</span>    }<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    if (coreThreads == 0) {<a 
name="line.433"></a>
+<span class="sourceLineNo">434</span>      coreThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.434"></a>
+<span class="sourceLineNo">435</span>    }<a name="line.435"></a>
+<span class="sourceLineNo">436</span>    long keepAliveTime = 
conf.getLong("hbase.hconnection.threads.keepalivetime", 60);<a 
name="line.436"></a>
+<span class="sourceLineNo">437</span>    BlockingQueue&lt;Runnable&gt; 
workQueue = passedWorkQueue;<a name="line.437"></a>
+<span class="sourceLineNo">438</span>    if (workQueue == null) {<a 
name="line.438"></a>
+<span class="sourceLineNo">439</span>      workQueue =<a name="line.439"></a>
+<span class="sourceLineNo">440</span>        new 
LinkedBlockingQueue&lt;&gt;(maxThreads *<a name="line.440"></a>
+<span class="sourceLineNo">441</span>            
conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.441"></a>
+<span class="sourceLineNo">442</span>                
HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS));<a name="line.442"></a>
+<span class="sourceLineNo">443</span>      coreThreads = maxThreads;<a 
name="line.443"></a>
+<span class="sourceLineNo">444</span>    }<a name="line.444"></a>
+<span class="sourceLineNo">445</span>    ThreadPoolExecutor tpe = new 
ThreadPoolExecutor(<a name="line.445"></a>
+<span class="sourceLineNo">446</span>        coreThreads,<a 
name="line.446"></a>
+<span class="sourceLineNo">447</span>        maxThreads,<a name="line.447"></a>
+<span class="sourceLineNo">448</span>        keepAliveTime,<a 
name="line.448"></a>
+<span class="sourceLineNo">449</span>        TimeUnit.SECONDS,<a 
name="line.449"></a>
+<span class="sourceLineNo">450</span>        workQueue,<a name="line.450"></a>
+<span class="sourceLineNo">451</span>        
Threads.newDaemonThreadFactory(toString() + nameHint));<a name="line.451"></a>
+<span class="sourceLineNo">452</span>    tpe.allowCoreThreadTimeOut(true);<a 
name="line.452"></a>
+<span class="sourceLineNo">453</span>    return tpe;<a name="line.453"></a>
+<span class="sourceLineNo">454</span>  }<a name="line.454"></a>
+<span class="sourceLineNo">455</span><a name="line.455"></a>
+<span class="sourceLineNo">456</span>  private ExecutorService 
getMetaLookupPool() {<a name="line.456"></a>
+<span class="sourceLineNo">457</span>    if (this.metaLookupPool == null) {<a 
name="line.457"></a>
+<span class="sourceLineNo">458</span>      synchronized (this) {<a 
name="line.458"></a>
+<span class="sourceLineNo">459</span>        if (this.metaLookupPool == null) 
{<a name="line.459"></a>
+<span class="sourceLineNo">460</span>          //Some of the threads would be 
used for meta replicas<a name="line.460"></a>
+<span class="sourceLineNo">461</span>          //To start with, 
threads.max.core threads can hit the meta (including replicas).<a 
name="line.461"></a>
+<span class="sourceLineNo">462</span>          //After that, requests will get 
queued up in the passed queue, and only after<a name="line.462"></a>
+<span class="sourceLineNo">463</span>          //the queue is full, a new 
thread will be started<a name="line.463"></a>
+<span class="sourceLineNo">464</span>          int threads = 
conf.getInt("hbase.hconnection.meta.lookup.threads.max", 128);<a 
name="line.464"></a>
+<span class="sourceLineNo">465</span>          this.metaLookupPool = 
getThreadPool(<a name="line.465"></a>
+<span class="sourceLineNo">466</span>             threads,<a 
name="line.466"></a>
+<span class="sourceLineNo">467</span>             threads,<a 
name="line.467"></a>
+<span class="sourceLineNo">468</span>             "-metaLookup-shared-", new 
LinkedBlockingQueue&lt;&gt;());<a name="line.468"></a>
+<span class="sourceLineNo">469</span>        }<a name="line.469"></a>
+<span class="sourceLineNo">470</span>      }<a name="line.470"></a>
+<span class="sourceLineNo">471</span>    }<a name="line.471"></a>
+<span class="sourceLineNo">472</span>    return this.metaLookupPool;<a 
name="line.472"></a>
 <span class="sourceLineNo">473</span>  }<a name="line.473"></a>
 <span class="sourceLineNo">474</span><a name="line.474"></a>
-<span class="sourceLineNo">475</span>  private void shutdownPools() {<a 
name="line.475"></a>
-<span class="sourceLineNo">476</span>    if (this.cleanupPool &amp;&amp; 
this.batchPool != null &amp;&amp; !this.batchPool.isShutdown()) {<a 
name="line.476"></a>
-<span class="sourceLineNo">477</span>      
shutdownBatchPool(this.batchPool);<a name="line.477"></a>
-<span class="sourceLineNo">478</span>    }<a name="line.478"></a>
-<span class="sourceLineNo">479</span>    if (this.metaLookupPool != null 
&amp;&amp; !this.metaLookupPool.isShutdown()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span>      
shutdownBatchPool(this.metaLookupPool);<a name="line.480"></a>
-<span class="sourceLineNo">481</span>    }<a name="line.481"></a>
-<span class="sourceLineNo">482</span>  }<a name="line.482"></a>
-<span class="sourceLineNo">483</span><a name="line.483"></a>
-<span class="sourceLineNo">484</span>  private void 
shutdownBatchPool(ExecutorService pool) {<a name="line.484"></a>
-<span class="sourceLineNo">485</span>    pool.shutdown();<a 
name="line.485"></a>
-<span class="sourceLineNo">486</span>    try {<a name="line.486"></a>
-<span class="sourceLineNo">487</span>      if (!pool.awaitTermination(10, 
TimeUnit.SECONDS)) {<a name="line.487"></a>
-<span class="sourceLineNo">488</span>        pool.shutdownNow();<a 
name="line.488"></a>
-<span class="sourceLineNo">489</span>      }<a name="line.489"></a>
-<span class="sourceLineNo">490</span>    } catch (InterruptedException e) {<a 
name="line.490"></a>
-<span class="sourceLineNo">491</span>      pool.shutdownNow();<a 
name="line.491"></a>
-<span class="sourceLineNo">492</span>    }<a name="line.492"></a>
-<span class="sourceLineNo">493</span>  }<a name="line.493"></a>
-<span class="sourceLineNo">494</span><a name="line.494"></a>
-<span class="sourceLineNo">495</span>  /**<a name="line.495"></a>
-<span class="sourceLineNo">496</span>   * For tests only.<a 
name="line.496"></a>
-<span class="sourceLineNo">497</span>   */<a name="line.497"></a>
-<span class="sourceLineNo">498</span>  @VisibleForTesting<a 
name="line.498"></a>
-<span class="sourceLineNo">499</span>  RpcClient getRpcClient() {<a 
name="line.499"></a>
-<span class="sourceLineNo">500</span>    return rpcClient;<a 
name="line.500"></a>
+<span class="sourceLineNo">475</span>  protected ExecutorService 
getCurrentMetaLookupPool() {<a name="line.475"></a>
+<span class="sourceLineNo">476</span>    return metaLookupPool;<a 
name="line.476"></a>
+<span class="sourceLineNo">477</span>  }<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span>  protected ExecutorService 
getCurrentBatchPool() {<a name="line.479"></a>
+<span class="sourceLineNo">480</span>    return batchPool;<a 
name="line.480"></a>
+<span class="sourceLineNo">481</span>  }<a name="line.481"></a>
+<span class="sourceLineNo">482</span><a name="line.482"></a>
+<span class="sourceLineNo">483</span>  private void shutdownPools() {<a 
name="line.483"></a>
+<span class="sourceLineNo">484</span>    if (this.cleanupPool &amp;&amp; 
this.batchPool != null &amp;&amp; !this.batchPool.isShutdown()) {<a 
name="line.484"></a>
+<span class="sourceLineNo">485</span>      
shutdownBatchPool(this.batchPool);<a name="line.485"></a>
+<span class="sourceLineNo">486</span>    }<a name="line.486"></a>
+<span class="sourceLineNo">487</span>    if (this.metaLookupPool != null 
&amp;&amp; !this.metaLookupPool.isShutdown()) {<a name="line.487"></a>
+<span class="sourceLineNo">488</span>      
shutdownBatchPool(this.metaLookupPool);<a name="line.488"></a>
+<span class="sourceLineNo">489</span>    }<a name="line.489"></a>
+<span class="sourceLineNo">490</span>  }<a name="line.490"></a>
+<span class="sourceLineNo">491</span><a name="line.491"></a>
+<span class="sourceLineNo">492</span>  private void 
shutdownBatchPool(ExecutorService pool) {<a name="line.492"></a>
+<span class="sourceLineNo">493</span>    pool.shutdown();<a 
name="line.493"></a>
+<span class="sourceLineNo">494</span>    try {<a name="line.494"></a>
+<span class="sourceLineNo">495</span>      if (!pool.awaitTermination(10, 
TimeUnit.SECONDS)) {<a name="line.495"></a>
+<span class="sourceLineNo">496</span>        pool.shutdownNow();<a 
name="line.496"></a>
+<span class="sourceLineNo">497</span>      }<a name="line.497"></a>
+<span class="sourceLineNo">498</span>    } catch (InterruptedException e) {<a 
name="line.498"></a>
+<span class="sourceLineNo">499</span>      pool.shutdownNow();<a 
name="line.499"></a>
+<span class="sourceLineNo">500</span>    }<a name="line.500"></a>
 <span class="sourceLineNo">501</span>  }<a name="line.501"></a>
 <span class="sourceLineNo">502</span><a name="line.502"></a>
 <span class="sourceLineNo">503</span>  /**<a name="line.503"></a>
-<span class="sourceLineNo">504</span>   * An identifier that will remain the 
same for a given connection.<a name="line.504"></a>
+<span class="sourceLineNo">504</span>   * For tests only.<a 
name="line.504"></a>
 <span class="sourceLineNo">505</span>   */<a name="line.505"></a>
-<span class="sourceLineNo">506</span>  @Override<a name="line.506"></a>
-<span class="sourceLineNo">507</span>  public String toString(){<a 
name="line.507"></a>
-<span class="sourceLineNo">508</span>    return "hconnection-0x" + 
Integer.toHexString(hashCode());<a name="line.508"></a>
+<span class="sourceLineNo">506</span>  @VisibleForTesting<a 
name="line.506"></a>
+<span class="sourceLineNo">507</span>  RpcClient getRpcClient() {<a 
name="line.507"></a>
+<span class="sourceLineNo">508</span>    return rpcClient;<a 
name="line.508"></a>
 <span class="sourceLineNo">509</span>  }<a name="line.509"></a>
 <span class="sourceLineNo">510</span><a name="line.510"></a>
-<span class="sourceLineNo">511</span>  protected String clusterId = null;<a 
name="line.511"></a>
-<span class="sourceLineNo">512</span><a name="line.512"></a>
-<span class="sourceLineNo">513</span>  protected void retrieveClusterId() {<a 
name="line.513"></a>
-<span class="sourceLineNo">514</span>    if (clusterId != null) {<a 
name="line.514"></a>
-<span class="sourceLineNo">515</span>      return;<a name="line.515"></a>
-<span class="sourceLineNo">516</span>    }<a name="line.516"></a>
-<span class="sourceLineNo">517</span>    try {<a name="line.517"></a>
-<span class="sourceLineNo">518</span>      this.clusterId = 
this.registry.getClusterId().get();<a name="line.518"></a>
-<span class="sourceLineNo">519</span>    } catch (InterruptedException | 
ExecutionException e) {<a name="line.519"></a>
-<span class="sourceLineNo">520</span>      LOG.warn("Retrieve cluster id 
failed", e);<a name="line.520"></a>
-<span class="sourceLineNo">521</span>    }<a name="line.521"></a>
-<span class="sourceLineNo">522</span>    if (clusterId == null) {<a 
name="line.522"></a>
-<span class="sourceLineNo">523</span>      clusterId = 
HConstants.CLUSTER_ID_DEFAULT;<a name="line.523"></a>
-<span class="sourceLineNo">524</span>      LOG.debug("clusterid came back 
null, using default " + clusterId);<a name="line.524"></a>
-<span class="sourceLineNo">525</span>    }<a name="line.525"></a>
-<span class="sourceLineNo">526</span>  }<a name="line.526"></a>
-<span class="sourceLineNo">527</span><a name="line.527"></a>
-<span class="sourceLineNo">528</span>  @Override<a name="line.528"></a>
-<span class="sourceLineNo">529</span>  public Configuration getConfiguration() 
{<a name="line.529"></a>
-<span class="sourceLineNo">530</span>    return this.conf;<a 
name="line.530"></a>
-<span class="sourceLineNo">531</span>  }<a name="line.531"></a>
-<span class="sourceLineNo">532</span><a name="line.532"></a>
-<span class="sourceLineNo">533</span>  /**<a name="line.533"></a>
-<span class="sourceLineNo">534</span>   * @return true if the master is 
running, throws an exception otherwise<a name="line.534"></a>
-<span class="sourceLineNo">535</span>   * @throws 
org.apache.hadoop.hbase.MasterNotRunningException - if the master is not 
running<a name="line.535"></a>
-<span class="sourceLineNo">536</span>   * @deprecated this has been deprecated 
without a replacement<a name="line.536"></a>
-<span class="sourceLineNo">537</span>   */<a name="line.537"></a>
-<span class="sourceLineNo">538</span>  @Deprecated<a name="line.538"></a>
-<span class="sourceLineNo">539</span>  @Override<a name="line.539"></a>
-<span class="sourceLineNo">540</span>  public boolean isMasterRunning()<a 
name="line.540"></a>
-<span class="sourceLineNo">541</span>  throws MasterNotRunningException, 
ZooKeeperConnectionException {<a name="line.541"></a>
-<span class="sourceLineNo">542</span>    // When getting the master 
connection, we check it's running,<a name="line.542"></a>
-<span class="sourceLineNo">543</span>    // so if there is no exception, it 
means we've been able to get a<a name="line.543"></a>
-<span class="sourceLineNo">544</span>    // connection on a running master<a 
name="line.544"></a>
-<span class="sourceLineNo">545</span>    MasterKeepAliveConnection m = 
getKeepAliveMasterService();<a name="line.545"></a>
-<span class="sourceLineNo">546</span>    m.close();<a name="line.546"></a>
-<span class="sourceLineNo">547</span>    return true;<a name="line.547"></a>
-<span class="sourceLineNo">548</span>  }<a name="line.548"></a>
-<span class="sourceLineNo">549</span><a name="line.549"></a>
-<span class="sourceLineNo">550</span>  @Override<a name="line.550"></a>
-<span class="sourceLineNo">551</span>  public HRegionLocation 
getRegionLocation(final TableName tableName,<a name="line.551"></a>
-<span class="sourceLineNo">552</span>      final byte [] row, boolean 
reload)<a name="line.552"></a>
-<span class="sourceLineNo">553</span>  throws IOException {<a 
name="line.553"></a>
-<span class="sourceLineNo">554</span>    return reload? 
relocateRegion(tableName, row): locateRegion(tableName, row);<a 
name="line.554"></a>
-<span class="sourceLineNo">555</span>  }<a name="line.555"></a>
-<span class="sourceLineNo">556</span><a name="line.556"></a>
+<span class="sourceLineNo">511</span>  /**<a name="line.511"></a>
+<span class="sourceLineNo">512</span>   * An identifier that will remain the 
same for a given connection.<a name="line.512"></a>
+<span class="sourceLineNo">513</span>   */<a name="line.513"></a>
+<span class="sourceLineNo">514</span>  @Override<a name="line.514"></a>
+<span class="sourceLineNo">515</span>  public String toString(){<a 
name="line.515"></a>
+<span class="sourceLineNo">516</span>    return "hconnection-0x" + 
Integer.toHexString(hashCode());<a name="line.516"></a>
+<span class="sourceLineNo">517</span>  }<a name="line.517"></a>
+<span class="sourceLineNo">518</span><a name="line.518"></a>
+<span class="sourceLineNo">519</span>  protected String clusterId = null;<a 
name="line.519"></a>
+<span class="sourceLineNo">520</span><a name="line.520"></a>
+<span class="sourceLineNo">521</span>  protected void retrieveClusterId() {<a 
name="line.521"></a>
+<span class="sourceLineNo">522</span>    if (clusterId != null) {<a 
name="line.522"></a>
+<span class="sourceLineNo">523</span>      return;<a name="line.523"></a>
+<span class="sourceLineNo">524</span>    }<a name="line.524"></a>
+<span class="sourceLineNo">525</span>    try {<a name="line.525"></a>
+<span class="sourceLineNo">526</span>      this.clusterId = 
this.registry.getClusterId().get();<a name="line.526"></a>
+<span class="sourceLineNo">527</span>    } catch (InterruptedException | 
ExecutionException e) {<a name="line.527"></a>
+<span class="sourceLineNo">528</span>      LOG.warn("Retrieve cluster id 
failed", e);<a name="line.528"></a>
+<span class="sourceLineNo">529</span>    }<a name="line.529"></a>
+<span class="sourceLineNo">530</span>    if (clusterId == null) {<a 
name="line.530"></a>
+<span class="sourceLineNo">531</span>      clusterId = 
HConstants.CLUSTER_ID_DEFAULT;<a name="line.531"></a>
+<span class="sourceLineNo">532</span>      LOG.debug("clusterid came back 
null, using default " + clusterId);<a name="line.532"></a>
+<span class="sourceLineNo">533</span>    }<a name="line.533"></a>
+<span class="sourceLineNo">534</span>  }<a name="line.534"></a>
+<span class="sourceLineNo">535</span><a name="line.535"></a>
+<span class="sourceLineNo">536</span>  @Override<a name="line.536"></a>
+<span class="sourceLineNo">537</span>  public Configuration getConfiguration() 
{<a name="line.537"></a>
+<span class="sourceLineNo">538</span>    return this.conf;<a 
name="line.538"></a>
+<span class="sourceLineNo">539</span>  }<a name="line.539"></a>
+<span class="sourceLineNo">540</span><a name="line.540"></a>
+<span class="sourceLineNo">541</span>  /**<a name="line.541"></a>
+<span class="sourceLineNo">542</span>   * @return true if the master is 
running, throws an exception otherwise<a name="line.542"></a>
+<span class="sourceLineNo">543</span>   * @throws 
org.apache.hadoop.hbase.MasterNotRunningException - if the master is not 
running<a name="line.543"></a>
+<span class="sourceLineNo">544</span>   * @deprecated this has been deprecated 
without a replacement<a name="line.544"></a>
+<span class="sourceLineNo">545</span>   */<a name="line.545"></a>
+<span class="sourceLineNo">546</span>  @Deprecated<a name="line.546"></a>
+<span class="sourceLineNo">547</span>  @Override<a name="line.547"></a>
+<span class="sourceLineNo">548</span>  public boolean isMasterRunning()<a 
name="line.548"></a>
+<span class="sourceLineNo">549</span>  throws MasterNotRunningException, 
ZooKeeperConnectionException {<a name="line.549"></a>
+<span class="sourceLineNo">550</span>    // When getting the master 
connection, we check it's running,<a name="line.550"></a>
+<span class="sourceLineNo">551</span>    // so if there is no exception, it 
means we've been able to get a<a name="line.551"></a>
+<span class="sourceLineNo">552</span>    // connection on a running master<a 
name="line.552"></a>
+<span class="sourceLineNo">553</span>    MasterKeepAliveConnection m = 
getKeepAliveMasterService();<a name="line.553"></a>
+<span class="sourceLineNo">554</span>    m.close();<a name="line.554"></a>
+<span class="sourceLineNo">555</span>    return true;<a name="line.555"></a>
+<span class="sourceLineNo">556</span>  }<a name="line.556"></a>
 <span class="sourceLineNo">557</span><a name="line.557"></a>
 <span class="sourceLineNo">558</span>  @Override<a name="line.558"></a>
-<span class="sourceLineNo">559</span>  public boolean isTableEnabled(TableName 
tableName) throws IOException {<a name="line.559"></a>
-<span class="sourceLineNo">560</span>    return 
getTableState(tableName).inStates(TableState.State.ENABLED);<a 
name="line.560"></a>
-<span class="sourceLineNo">561</span>  }<a name="line.561"></a>
-<span class="sourceLineNo">562</span><a name="line.562"></a>
-<span class="sourceLineNo">563</span>  @Override<a name="line.563"></a>
-<span class="sourceLineNo">564</span>  public boolean 
isTableDisabled(TableName tableName) throws IOException {<a name="line.564"></a>
-<span class="sourceLineNo">565</span>    return 
getTableState(tableName).inStates(TableState.State.DISABLED);<a 
name="line.565"></a>
-<span class="sourceLineNo">566</span>  }<a name="line.566"></a>
-<span class="sourceLineNo">567</span><a name="line.567"></a>
-<span class="sourceLineNo">568</span>  @Override<a name="line.568"></a>
-<span class="sourceLineNo">569</span>  public boolean isTableAvailable(final 
TableName tableName, @Nullable final byte[][] splitKeys)<a name="line.569"></a>
-<span class="sourceLineNo">570</span>      throws IOException {<a 
name="line.570"></a>
-<span class="sourceLineNo">571</span>    if (this.closed) {<a 
name="line.571"></a>
-<span class="sourceLineNo">572</span>      throw new IOException(toString() + 
" closed");<a name="line.572"></a>
-<span class="sourceLineNo">573</span>    }<a name="line.573"></a>
-<span class="sourceLineNo">574</span>    try {<a name="line.574"></a>
-<span class="sourceLineNo">575</span>      if (!isTableEnabled(tableName)) {<a 
name="line.575"></a>
-<span class="sourceLineNo">576</span>        LOG.debug("Table " + tableName + 
" not enabled");<a name="line.576"></a>
-<span class="sourceLineNo">577</span>        return false;<a 
name="line.577"></a>
-<span class="sourceLineNo">578</span>      }<a name="line.578"></a>
-<span class="sourceLineNo">579</span>      List&lt;Pair&lt;RegionInfo, 
ServerName&gt;&gt; locations =<a name="line.579"></a>
-<span class="sourceLineNo">580</span>        
MetaTableAccessor.getTableRegionsAndLocations(this, tableName, true);<a 
name="line.580"></a>
-<span class="sourceLineNo">581</span><a name="line.581"></a>
-<span class="sourceLineNo">582</span>      int notDeployed = 0;<a 
name="line.582"></a>
-<span class="sourceLineNo">583</span>      int regionCount = 0;<a 
name="line.583"></a>
-<span class="sourceLineNo">584</span>      for (Pair&lt;RegionInfo, 
ServerName&gt; pair : locations) {<a name="line.584"></a>
-<span class="sourceLineNo">585</span>        RegionInfo info = 
pair.getFirst();<a name="line.585"></a>
-<span class="sourceLineNo">586</span>        if (pair.getSecond() == null) {<a 
name="line.586"></a>
-<span class="sourceLineNo">587</span>          if (LOG.isDebugEnabled()) {<a 
name="line.587"></a>
-<span class="sourceLineNo">588</span>            LOG.debug("Table " + 
tableName + " has not deployed region " + pair.getFirst()<a name="line.588"></a>
-<span class="sourceLineNo">589</span>                .getEncodedName());<a 
name="line.589"></a>
-<span class="sourceLineNo">590</span>          }<a name="line.590"></a>
-<span class="sourceLineNo">591</span>          notDeployed++;<a 
name="line.591"></a>
-<span class="sourceLineNo">592</span>        } else if (splitKeys != null<a 
name="line.592"></a>
-<span class="sourceLineNo">593</span>            &amp;&amp; 
!Bytes.equals(info.getStartKey(), HConstants.EMPTY_BYTE_ARRAY)) {<a 
name="line.593"></a>
-<span class="sourceLineNo">594</span>          for (byte[] splitKey : 
splitKeys) {<a name="line.594"></a>
-<span class="sourceLineNo">595</span>            // Just check if the splitkey 
is available<a name="line.595"></a>
-<span class="sourceLineNo">596</span>            if 
(Bytes.equals(info.getStartKey(), splitKey)) {<a name="line.596"></a>
-<span class="sourceLineNo">597</span>              regionCount++;<a 
name="line.597"></a>
-<span class="sourceLineNo">598</span>              break;<a 
name="line.598"></a>
-<span class="sourceLineNo">599</span>            }<a name="line.599"></a>
-<span class="sourceLineNo">600</span>          }<a name="line.600"></a>
-<span class="sourceLineNo">601</span>        } else {<a name="line.601"></a>
-<span class="sourceLineNo">602</span>          // Always empty start row 
should be counted<a name="line.602"></a>
-<span class="sourceLineNo">603</span>          regionCount++;<a 
name="line.603"></a>
-<span class="sourceLineNo">604</span>        }<a name="line.604"></a>
-<span class="sourceLineNo">605</span>      }<a name="line.605"></a>
-<span class="sourceLineNo">606</span>      if (notDeployed &gt; 0) {<a 
name="line.606"></a>
-<span class="sourceLineNo">607</span>        if (LOG.isDebugEnabled()) {<a 
name="line.607"></a>
-<span class="sourceLineNo">608</span>          LOG.debug("Table " + tableName 
+ " has " + notDeployed + " regions");<a name="line.608"></a>
-<span class="sourceLineNo">609</span>        }<a name="line.609"></a>
-<span class="sourceLineNo">610</span>        return false;<a 
name="line.610"></a>
-<span class="sourceLineNo">611</span>      } else if (splitKeys != null 
&amp;&amp; regionCount != splitKeys.length + 1) {<a name="line.611"></a>
-<span class="sourceLineNo">612</span>        if (LOG.isDebugEnabled()) {<a 
name="line.612"></a>
-<span class="sourceLineNo">613</span>          LOG.debug("Table " + tableName 
+ " expected to have " + (splitKeys.length + 1)<a name="line.613"></a>
-<span class="sourceLineNo">614</span>              + " regions, but only " + 
regionCount + " available");<a name="line.614"></a>
-<span class="sourceLineNo">615</span>        }<a name="line.615"></a>
-<span class="sourceLineNo">616</span>        return false;<a 
name="line.616"></a>
-<span class="sourceLineNo">617</span>      } else {<a name="line.617"></a>
-<span class="sourceLineNo">618</span>        if (LOG.isDebugEnabled()) {<a 
name="line.618"></a>
-<span class="sourceLineNo">619</span>          LOG.debug("Table " + tableName 
+ " should be available");<a name="line.619"></a>
-<span class="sourceLineNo">620</span>        }<a name="line.620"></a>
-<span class="sourceLineNo">621</span>        return true;<a 
name="line.621"></a>
-<span class="sourceLineNo">622</span>      }<a name="line.622"></a>
-<span class="sourceLineNo">623</span>    } catch (TableNotFoundException tnfe) 
{<a name="line.623"></a>
-<span class="sourceLineNo">624</span>      LOG.warn("Table " + tableName + " 
not enabled, it is not exists");<a name="line.624"></a>
-<span class="sourceLineNo">625</span>      return false;<a name="line.625"></a>
-<span class="sourceLineNo">626</span>    }<a name="line.626"></a>
-<span class="sourceLineNo">627</span>  }<a name="line.627"></a>
-<span class="sourceLineNo">628</span><a name="line.628"></a>
-<span class="sourceLineNo">629</span>  @Override<a name="line.629"></a>
-<span class="sourceLineNo">630</span>  public HRegionLocation 
locateRegion(final byte[] regionName) throws IOException {<a 
name="line.630"></a>
-<span class="sourceLineNo">631</span>    RegionLocations locations = 
locateRegion(RegionInfo.getTable(regionName),<a name="line.631"></a>
-<span class="sourceLineNo">632</span>      RegionInfo.getStartKey(regionName), 
false, true);<a name="line.632"></a>
-<span class="sourceLineNo">633</span>    return locations == null ? null : 
locations.getRegionLocation();<a name="line.633"></a>
-<span class="sourceLineNo">634</span>  }<a name="line.634"></a>
-<span class="sourceLineNo">635</span><a name="line.635"></a>
-<span class="sourceLineNo">636</span>  @Override<a name="line.636"></a>
-<span class="sourceLineNo">637</span>  public boolean isDeadServer(ServerName 
sn) {<a name="line.637"></a>
-<span class="sourceLineNo">638</span>    if (clusterStatusListener == null) 
{<a name="line.638"></a>
-<span class="sourceLineNo">639</span>      return false;<a name="line.639"></a>
-<span class="sourceLineNo">640</span>    } else {<a name="line.640"></a>
-<span class="sourceLineNo">641</span>      return 
clusterStatusListener.isDeadServer(sn);<a name="line.641"></a>
-<span class="sourceLineNo">642</span>    }<a name="line.642"></a>
-<span class="sourceLineNo">643</span>  }<a name="line.643"></a>
-<span class="sourceLineNo">644</span><a name="line.644"></a>
-<span class="sourceLineNo">645</span>  @Override<a name="line.645"></a>
-<span class="sourceLineNo">646</span>  public List&lt;HRegionLocation&gt; 
locateRegions(TableName tableName) throws IOException {<a name="line.646"></a>
-<span class="sourceLineNo">647</span>    return locateRegions(tableName, 
false, true);<a name="line.647"></a>
-<span class="sourceLineNo">648</span>  }<a name="line.648"></a>
-<span class="sourceLineNo">649</span><a name="line.649"></a>
-<span class="sourceLineNo">650</span>  @Override<a name="line.650"></a>
-<span class="sourceLineNo">651</span>  public List&lt;HRegionLocation&gt; 
locateRegions(TableName tableName, boolean useCache,<a name="line.651"></a>
-<span class="sourceLineNo">652</span>      boolean offlined) throws 
IOException {<a name="line.652"></a>
-<span class="sourceLineNo">653</span>    List&lt;RegionInfo&gt; regions;<a 
name="line.653"></a>
-<span class="sourceLineNo">654</span>    if 
(TableName.isMetaTableName(tableName)) {<a name="line.654"></a>
-<span class="sourceLineNo">655</span>      regions = 
Collections.singletonList(RegionInfoBuilder.FIRST_META_REGIONINFO);<a 
name="line.655"></a>
-<span class="sourceLineNo">656</span>    } else {<a name="line.656"></a>
-<span class="sourceLineNo">657</span>      regions = 
MetaTableAccessor.getTableRegions(this, tableName, !offlined);<a 
name="line.657"></a>
-<span class="sourceLineNo">658</span>    }<a name="line.658"></a>
-<span class="sourceLineNo">659</span>    List&lt;HRegionLocation&gt; locations 
= new ArrayList&lt;&gt;();<a name="line.659"></a>
-<span class="sourceLineNo">660</span>    for (RegionInfo regionInfo : regions) 
{<a name="line.660"></a>
-<span class="sourceLineNo">661</span>      RegionLocations list = 
locateRegion(tableName, regionInfo.getStartKey(), useCache, true);<a 
name="line.661"></a>
-<span class="sourceLineNo">662</span>      if (list != null) {<a 
name="line.662"></a>
-<span class="sourceLineNo">663</span>        for (HRegionLocation loc : 
list.getRegionLocations()) {<a name="line.663"></a>
-<span class="sourceLineNo">664</span>          if (loc != null) {<a 
name="line.664"></a>
-<span class="sourceLineNo">665</span>            locations.add(loc);<a 
name="line.665"></a>
-<span class="sourceLineNo">666</span>          }<a name="line.666"></a>
-<span class="sourceLineNo">667</span>        }<a name="line.667"></a>
-<span class="sourceLineNo">668</span>      }<a name="line.668"></a>
-<span class="sourceLineNo">669</span>    }<a name="line.669"></a>
-<span class="sourceLineNo">670</span>    return locations;<a 
name="line.670"></a>
-<span class="sourceLineNo">671</span>  }<a name="line.671"></a>
-<span class="sourceLineNo">672</span><a name="line.672"></a>
-<span class="sourceLineNo">673</span>  @Override<a name="line.673"></a>
-<span class="sourceLineNo">674</span>  public HRegionLocation locateRegion(<a 
name="line.674"></a>
-<span class="sourceLineNo">675</span>      final TableName tableName, final 
byte[] row) throws IOException{<a name="line.675"></a>
-<span class="sourceLineNo">676</span>    RegionLocations locations = 
locateRegion(tableName, row, true, true);<a name="line.676"></a>
-<span class="sourceLineNo">677</span>    return locations == null ? null : 
locations.getRegionLocation();<a name="line.677"></a>
-<span class="sourceLineNo">678</span>  }<a name="line.678"></a>
-<span class="sourceLineNo">679</span><a name="line.679"></a>
-<span class="sourceLineNo">680</span>  @Override<a name="line.680"></a>
-<span class="sourceLineNo">681</span>  public HRegionLocation 
relocateRegion(final TableName tableName,<a name="line.681"></a>
-<span class="sourceLineNo">682</span>      final byte [] row) throws 
IOException{<a name="line.682"></a>
-<span class="sourceLineNo">683</span>    RegionLocations locations =  
relocateRegion(tableName, row,<a name="line.683"></a>
-<span class="sourceLineNo">684</span>      
RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.684"></a>
-<span class="sourceLineNo">685</span>    return locations == null ? null :<a 
name="line.685"></a>
-<span class="sourceLineNo">686</span>      
locations.getRegionLocation(RegionReplicaUtil.DEFAULT_REPLICA_ID);<a 
name="line.686"></a>
-<span class="sourceLineNo">687</span>  }<a name="line.687"></a>
-<span class="sourceLineNo">688</span><a name="line.688"></a>
-<span class="sourceLineNo">689</span>  @Override<a name="line.689"></a>
-<span class="sourceLineNo">690</span>  public RegionLocations 
relocateRegion(final TableName tableName,<a name="line.690"></a>
-<span class="sourceLineNo">691</span>      final byte [] row, int replicaId) 
throws IOException{<a name="line.691"></a>
-<span class="sourceLineNo">692</span>    // Since this is an explicit request 
not to use any caching, finding<a name="line.692"></a>
-<span class="sourceLineNo">693</span>    // disabled tables should not be 
desirable.  This will ensure that an exception is thrown when<a 
name="line.693"></a>
-<span class="sourceLineNo">694</span>    // the first time a disabled table is 
interacted with.<a name="line.694"></a>
-<span class="sourceLineNo">695</span>    if 
(!tableName.equals(TableName.META_TABLE_NAME) &amp;&amp; 
isTableDisabled(tableName)) {<a name="line.695"></a>
-<span class="sourceLineNo">696</span>      throw new 
TableNotEnabledException(tableName.getNameAsString() + " is disabled.");<a 
name="line.696"></a>
-<span class="sourceLineNo">697</span>    }<a name="line.697"></a>
-<span class="sourceLineNo">698</span><a name="line.698"></a>
-<span class="sourceLineNo">699</span>    return locateRegion(tableName, row, 
false, true, replicaId);<a name="line.699"></a>
-<span class="sourceLineNo">700</span>  }<a name="line.700"></a>
-<span class="sourceLineNo">701</span><a name="line.701"></a>
-<span class="sourceLineNo">702</span>  @Override<a name="line.702"></a>
-<span class="sourceLineNo">703</span>  public RegionLocations 
locateRegion(final TableName tableName,<a name="line.703"></a>
-<span class="sourceLineNo">704</span>    final byte [] row, boolean useCache, 
boolean retry)<a name="line.704"></a>
-<span class="sourceLineNo">705</span>  throws IOException {<a 
name="line.705"></a>
-<span class="sourceLineNo">706</span>    return locateRegion(tableName, row, 
useCache, retry, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.706"></a>
-<span class="sourceLineNo">707</span>  }<a name="line.707"></a>
-<span class="sourceLineNo">708</span><a name="line.708"></a>
-<span class="sourceLineNo">709</span>  @Override<a name="line.709"></a>
-<span class="sourceLineNo">710</span>  public RegionLocations 
locateRegion(final TableName tableName,<a name="line.710"></a>
-<span class="sourceLineNo">711</span>    final byte [] row, boolean useCache, 
boolean retry, int replicaId)<a name="line.711"></a>
-<span class="sourceLineNo">712</span>  throws IOException {<a 
name="line.712"></a>
-<span class="sourceLineNo">713</span>    if (this.closed) {<a 
name="line.713"></a>
-<span class="sourceLineNo">714</span>      throw new 
DoNotRetryIOException(toString() + " closed");<a name="line.714"></a>
-<span class="sourceLineNo">715</span>    }<a name="line.715"></a>
-<span class="sourceLineNo">716</span>    if (tableName== null || 
tableName.getName().length == 0) {<a name="line.716"></a>
-<span class="sourceLineNo">717</span>      throw new 
IllegalArgumentException(<a name="line.717"></a>
-<span class="sourceLineNo">718</span>          "table name cannot be null or 
zero length");<a name="line.718"></a>
-<span class="sourceLineNo">719</span>    }<a name="line.719"></a>
-<span class="sourceLineNo">720</span>    if 
(tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.720"></a>
-<span class="sourceLineNo">721</span>      return locateMeta(tableName, 
useCache, replicaId);<a name="line.721"></a>
-<span class="sourceLineNo">722</span>    } else {<a name="line.722"></a>
-<span class="sourceLineNo">723</span>      // Region not in the cache - have 
to go to the meta RS<a name="line.723"></a>
-<span class="sourceLineNo">724</span>      return 
locateRegionInMeta(tableName, row, useCache, retry, replicaId);<a 
name="line.724"></a>
-<span class="sourceLineNo">725</span>    }<a name="line.725"></a>
-<span class="sourceLineNo">726</span>  }<a name="line.726"></a>
-<span class="sourceLineNo">727</span><a name="line.727"></a>
-<span class="sourceLineNo">728</span>  private RegionLocations 
locateMeta(final TableName tableName,<a name="line.728"></a>
-<span class="sourceLineNo">729</span>      boolean useCache, int replicaId) 
throws IOException {<a name="line.729"></a>
-<span class="sourceLineNo">730</span>    // HBASE-10785: We cache the location 
of the META itself, so that we are not overloading<a name="line.730"></a>
-<span class="sourceLineNo">731</span>    // zookeeper with one request for 
every region lookup. We cache the META with empty row<a name="line.731"></a>
-<span class="sourceLineNo">732</span>    // key in MetaCache.<a 
name="line.732"></a>
-<span class="sourceLineNo">733</span>    byte[] metaCacheKey = 
HConstants.EMPTY_START_ROW; // use byte[0] as the row for meta<a 
name="line.733"></a>
-<span class="sourceLineNo">734</span>    RegionLocations locations = null;<a 
name="line.734"></a>
-<span class="sourceLineNo">735</span>    if (useCache) {<a name="line.735"></a>
-<span class="sourceLineNo">736</span>      locations = 
getCachedLocation(tableName, metaCacheKey);<a name="line.736"></a>
-<span class="sourceLineNo">737</span>      if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.737"></a>
-<span class="sourceLineNo">738</span>        return locations;<a 
name="line.738"></a>
-<span class="sourceLineNo">739</span>      }<a name="line.739"></a>
-<span class="sourceLineNo">740</span>    }<a name="line.740"></a>
-<span class="sourceLineNo">741</span><a name="line.741"></a>
-<span class="sourceLineNo">742</span>    // only one thread should do the 
lookup.<a name="line.742"></a>
-<span class="sourceLineNo">743</span>    synchronized (metaRegionLock) {<a 
name="line.743"></a>
-<span class="sourceLineNo">744</span>      // Check the cache again for a hit 
in case some other thread made the<a name="line.744"></a>
-<span class="sourceLineNo">745</span>      // same query while we were waiting 
on the lock.<a name="line.745"></a>
-<span class="sourceLineNo">746</span>      if (useCache) {<a 
name="line.746"></a>
-<span class="sourceLineNo">747</span>        locations = 
getCachedLocation(tableName, metaCacheKey);<a name="line.747"></a>
-<span class="sourceLineNo">748</span>        if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.748"></a>
-<span class="sourceLineNo">749</span>          return locations;<a 
name="line.749"></a>
-<span class="sourceLineNo">750</span>        }<a name="line.750"></a>
-<span class="sourceLineNo">751</span>      }<a name="line.751"></a>
-<span class="sourceLineNo">752</span><a name="line.752"></a>
-<span class="sourceLineNo">753</span>      // Look up from zookeeper<a 
name="line.753"></a>
-<span class="sourceLineNo">754</span>      locations = 
get(this.registry.getMetaRegionLocation());<a name="line.754"></a>
-<span class="sourceLineNo">755</span>      if (locations != null) {<a 
name="line.755"></a>
-<span class="sourceLineNo">756</span>        cacheLocation(tableName, 
locations);<a name="line.756"></a>
-<span class="sourceLineNo">757</span>      }<a name="line.757"></a>
-<span class="sourceLineNo">758</span>    }<a name="line.758"></a>
-<span class="sourceLineNo">759</span>    return locations;<a 
name="line.759"></a>
-<span class="sourceLineNo">760</span>  }<a name="line.760"></a>
-<span class="sourceLineNo">761</span><a name="line.761"></a>
-<span class="sourceLineNo">762</span>  /*<a name="line.762"></a>
-<span class="sourceLineNo">763</span>    * Search the hbase:meta table for the 
HRegionLocation<a name="line.763"></a>
-<span class="sourceLineNo">764</span>    * info that contains the table and 
row we're seeking.<a name="line.764"></a>
-<span class="sourceLineNo">765</span>    */<a name="line.765"></a>
-<span class="sourceLineNo">766</span>  private RegionLocations 
locateRegionInMeta(TableName tableName, byte[] row,<a name="line.766"></a>
-<span class="sourceLineNo">767</span>                 boolean useCache, 
boolean retry, int replicaId) throws IOException {<a name="line.767"></a>
-<span class="sourceLineNo">768</span><a name="line.768"></a>
-<span class="sourceLineNo">769</span>    // If we are supposed to be using the 
cache, look in the cache to see if<a name="line.769"></a>
-<span class="sourceLineNo">770</span>    // we already have the region.<a 
name="line.770"></a>
-<span class="sourceLineNo">771</span>    if (useCache) {<a name="line.771"></a>
-<span class="sourceLineNo">772</span>      RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.772"></a>
-<span class="sourceLineNo">773</span>      if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.773"></a>
-<span class="sourceLineNo">774</span>        return locations;<a 
name="line.774"></a>
-<span class="sourceLineNo">775</span>      }<a name="line.775"></a>
-<span class="sourceLineNo">776</span>    }<a name="line.776"></a>
-<span class="sourceLineNo">777</span><a name="line.777"></a>
-<span class="sourceLineNo">778</span>    // build the key of the meta region 
we should be looking for.<a name="line.778"></a>
-<span class="sourceLineNo">779</span>    // the extra 9's on the end are 
necessary to allow "exact" matches<a name="line.779"></a>
-<span class="sourceLineNo">780</span>    // without knowing the precise region 
names.<a name="line.780"></a>
-<span class="sourceLineNo">781</span>    byte[] metaKey = 
RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a 
name="line.781"></a>
-<span class="sourceLineNo">782</span><a name="line.782"></a>
-<span class="sourceLineNo">783</span>    Scan s = new Scan();<a 
name="line.783"></a>
-<span class="sourceLineNo">784</span>    s.setReversed(true);<a 
name="line.784"></a>
-<span class="sourceLineNo">785</span>    s.withStartRow(metaKey);<a 
name="line.785"></a>
-<span class="sourceLineNo">786</span>    
s.addFamily(HConstants.CATALOG_FAMILY);<a name="line.786"></a>
-<span class="sourceLineNo">787</span><a name="line.787"></a>
-<span class="sourceLineNo">788</span>    if (this.useMetaReplicas) {<a 
name="line.788"></a>
-<span class="sourceLineNo">789</span>      
s.setConsistency(Consistency.TIMELINE);<a name="line.789"></a>
-<span class="sourceLineNo">790</span>    }<a name="line.790"></a>
-<span class="sourceLineNo">791</span><a name="line.791"></a>
-<span class="sourceLineNo">792</span>    int maxAttempts = (retry ? numTries : 
1);<a name="line.792"></a>
-<span class="sourceLineNo">793</span>    for (int tries = 0; true; tries++) 
{<a name="line.793"></a>
-<span class="sourceLineNo">794</span>      if (tries &gt;= maxAttempts) {<a 
name="line.794"></a>
-<span class="sourceLineNo">795</span>        throw new 
NoServerForRegionException("Unable to find region for "<a name="line.795"></a>
-<span class="sourceLineNo">796</span>            + Bytes.toStringBinary(row) + 
" in " + tableName + " after " + tries + " tries.");<a name="line.796"></a>
-<span class="sourceLineNo">797</span>      }<a name="line.797"></a>
-<span class="sourceLineNo">798</span>      if (useCache) {<a 
name="line.798"></a>
-<span class="sourceLineNo">799</span>        RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.799"></a>
-<span class="sourceLineNo">800</span>        if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.800"></a>
-<span class="sourceLineNo">801</span>          return locations;<a 
name="line.801"></a>
-<span class="sourceLineNo">802</span>        }<a name="line.802"></a>
-<span class="sourceLineNo">803</span>      } else {<a name="line.803"></a>
-<span class="sourceLineNo">804</span>        // If we are not supposed to be 
using the cache, delete any existing cached location<a name="line.804"></a>
-<span class="sourceLineNo">805</span>        // so it won't interfere.<a 
name="line.805"></a>
-<span class="sourceLineNo">806</span>        // We are only supposed to clean 
the cache for the specific replicaId<a name="line.806"></a>
-<span class="sourceLineNo">807</span>        metaCache.clearCache(tableName, 
row, replicaId);<a name="line.807"></a>
-<span class="sourceLineNo">808</span>      }<a name="line.808"></a>
-<span class="sourceLineNo">809</span><a name="line.809"></a>
-<span class="sourceLineNo">810</span>      // Query the meta region<a 
name="line.810"></a>
-<span class="sourceLineNo">811</span>      long pauseBase = this.pause;<a 
name="line.811"></a>
-<span class="sourceLineNo">812</span>      userRegionLock.lock();<a 
name="line.812"></a>
-<span class="sourceLineNo">813</span>      try {<a name="line.813"></a>
-<span class="sourceLineNo">814</span>        if (useCache) {// re-check cache 
after get lock<a name="line.814"></a>
-<span class="sourceLineNo">815</span>          RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.815"></a>
-<span class="sourceLineNo">816</span>          if (locations != null 
&amp;&amp; locations.getRegionLocation(replicaId) != null) {<a 
name="line.816"></a>
-<span class="sourceLineNo">817</span>            return locations;<a 
name="line.817"></a>
-<span class="sourceLineNo">818</span>          }<a name="line.818"></a>
-<span class="sourceLineNo">819</span>        }<a name="line.819"></a>
-<span class="sourceLineNo">820</span>        Result regionInfoRow = null;<a 
name="line.820"></a>
-<span class="sourceLineNo">821</span>        s.resetMvccReadPoint();<a 
name="line.821"></a>
-<span class="sourceLineNo">822</span>        s.setOneRowLimit();<a 
name="line.822"></a>
-<span class="sourceLineNo">823</span>        try (ReversedClientScanner rcs 
=<a name="line.823"></a>
-<span class="sourceLineNo">824</span>            new 
ReversedClientScanner(conf, s, TableName.META_TABLE_NAME, this, 
rpcCallerFactory,<a name="line.824"></a>
-<span class="sourceLineNo">825</span>                rpcControllerFactory, 
getMetaLookupPool(), metaReplicaCallTimeoutScanInMicroSecond)) {<a 
name="line.825"></a>
-<span class="sourceLineNo">826</span>          regionInfoRow = rcs.next();<a 
name="line.826"></a>
+<span class="sourceLineNo">559</span>  public HRegionLocation 
getRegionLocation(final TableName tableName,<a name="line.559"></a>
+<span class="sourceLineNo">560</span>      final byte [] row, boolean 
reload)<a name="line.560"></a>
+<span class="sourceLineNo">561</span>  throws IOException {<a 
name="line.561"></a>
+<span class="sourceLineNo">562</span>    return reload? 
relocateRegion(tableName, row): locateRegion(tableName, row);<a 
name="line.562"></a>
+<span class="sourceLineNo">563</span>  }<a name="line.563"></a>
+<span class="sourceLineNo">564</span><a name="line.564"></a>
+<span class="sourceLineNo">565</span><a name="line.565"></a>
+<span class="sourceLineNo">566</span>  @Override<a name="line.566"></a>
+<span class="sourceLineNo">567</span>  public boolean isTableEnabled(TableName 
tableName) throws IOException {<a name="line.567"></a>
+<span class="sourceLineNo">568</span>    return 
getTableState(tableName).inStates(TableState.State.ENABLED);<a 
name="line.568"></a>
+<span class="sourceLineNo">569</span>  }<a name="line.569"></a>
+<span class="sourceLineNo">570</span><a name="line.570"></a>
+<span class="sourceLineNo">571</span>  @Override<a name="line.571"></a>
+<span class="sourceLineNo">572</span>  public boolean 
isTableDisabled(TableName tableName) throws IOException {<a name="line.572"></a>
+<span class="sourceLineNo">573</span>    return 
getTableState(tableName).inStates(TableState.State.DISABLED);<a 
name="line.573"></a>
+<span class="sourceLineNo">574</span>  }<a name="line.574"></a>
+<span class="sourceLineNo">575</span><a name="line.575"></a>
+<span class="sourceLineNo">576</span>  @Override<a name="line.576"></a>
+<span class="sourceLineNo">577</span>  public boolean isTableAvailable(final 
TableName tableName, @Nullable final byte[][] splitKeys)<a name="line.577"></a>
+<span class="sourceLineNo">578</span>      throws IOException {<a 
name="line.578"></a>
+<span class="sourceLineNo">579</span>    if (this.closed) {<a 
name="line.579"></a>
+<span class="sourceLineNo">580</span>      throw new IOException(toString() + 
" closed");<a name="line.580"></a>
+<span class="sourceLineNo">581</span>    }<a name="line.581"></a>
+<span class="sourceLineNo">582</span>    try {<a name="line.582"></a>
+<span class="sourceLineNo">583</span>      if (!isTableEnabled(tableName)) {<a 
name="line.583"></a>
+<span class="sourceLineNo">584</span>        LOG.debug("Table " + tableName + 
" not enabled");<a name="line.584"></a>
+<span class="sourceLineNo">585</span>        return false;<a 
name="line.585"></a>
+<span class="sourceLineNo">586</span>      }<a name="line.586"></a>
+<span class="sourceLineNo">587</span>      List&lt;Pair&lt;RegionInfo, 
ServerName&gt;&gt; locations =<a name="line.587"></a>
+<span class="sourceLineNo">588</span>        
MetaTableAccessor.getTableRegionsAndLocations(this, tableName, true);<a 
name="line.588"></a>
+<span class="sourceLineNo">589</span><a name="line.589"></a>
+<span class="sourceLineNo">590</span>      int notDeployed = 0;<a 
name="line.590"></a>
+<span class="sourceLineNo">591</span>      int regionCount = 0;<a 
name="line.591"></a>
+<span class="sourceLineNo">592</span>      for (Pair&lt;RegionInfo, 
ServerName&gt; pair : locations) {<a name="line.592"></a>
+<span class="sourceLineNo">593</span>        RegionInfo info = 
pair.getFirst();<a name="line.593"></a>
+<span class="sourceLineNo">594</span>        if (pair.getSecond() == null) {<a 
name="line.594"></a>
+<span class="sourceLineNo">595</span>          if (LOG.isDebugEnabled()) {<a 
name="line.595"></a>
+<span class="sourceLineNo">596</span>            LOG.debug("Table " + 
tableName + " has not deployed region " + pair.getFirst()<a name="line.596"></a>
+<span class="sourceLineNo">597</span>                .getEncodedName());<a 
name="line.597"></a>
+<span class="sourceLineNo">598</span>          }<a name="line.598"></a>
+<span class="sourceLineNo">599</span>          notDeployed++;<a 
name="line.599"></a>
+<span class="sourceLineNo">600</span>        } else if (splitKeys != null<a 
name="line.600"></a>
+<span class="sourceLineNo">601</span>            &amp;&amp; 
!Bytes.equals(info.getStartKey(), HConstants.EMPTY_BYTE_ARRAY)) {<a 
name="line.601"></a>
+<span class="sourceLineNo">602</span>          for (byte[] splitKey : 
splitKeys) {<a name="line.602"></a>
+<span class="sourceLineNo">603</span>            // Just check if the splitkey 
is available<a name="line.603"></a>
+<span class="sourceLineNo">604</span>            if 
(Bytes.equals(info.getStartKey(), splitKey)) {<a name="line.604"></a>
+<span class="sourceLineNo">605</span>              regionCount++;<a 
name="line.605"></a>
+<span class="sourceLineNo">606</span>              break;<a 
name="line.606"></a>
+<span class="sourceLineNo">607</span>            }<a name="line.607"></a>
+<span class="sourceLineNo">608</span>          }<a name="line.608"></a>
+<span class="sourceLineNo">609</span>        } else {<a name="line.609"></a>
+<span class="sourceLineNo">610</span>          // Always empty start row 
should be counted<a name="line.610"></a>
+<span class="sourceLineNo">611</span>          regionCount++;<a 
name="line.611"></a>
+<span class="sourceLineNo">612</span>        }<a name="line.612"></a>
+<span class="sourceLineNo">613</span>      }<a name="line.613"></a>
+<span class="sourceLineNo">614</span>      if (notDeployed &gt; 0) {<a 
name="line.614"></a>
+<span class="sourceLineNo">615</span>        if (LOG.isDebugEnabled()) {<a 
name="line.615"></a>
+<span class="sourceLineNo">616</span>          LOG.debug("Table " + tableName 
+ " has " + notDeployed + " regions");<a name="line.616"></a>
+<span class="sourceLineNo">617</span>        }<a name="line.617"></a>
+<span class="sourceLineNo">618</span>        return false;<a 
name="line.618"></a>
+<span class="sourceLineNo">619</span>      } else if (splitKeys != null 
&amp;&amp; regionCount != splitKeys.length + 1) {<a name="line.619"></a>
+<span class="sourceLineNo">620</span>        if (LOG.isDebugEnabled()) {<a 
name="line.620"></a>
+<span class="sourceLineNo">621</span>          LOG.debug("Table " + tableName 
+ " expected to have " + (splitKeys.length + 1)<a name="line.621"></a>
+<span class="sourceLineNo">622</span>              + " regions, but only " + 
regionCount + " available");<a name="line.622"></a>
+<span class="sourceLineNo">623</span>        }<a name="line.623"></a>
+<span class="sourceLineNo">624</span>        return false;<a 
name="line.624"></a>
+<span class="sourceLineNo">625</span>      } else {<a name="line.625"></a>
+<span class="sourceLineNo">626</span>        if (LOG.isDebugEnabled()) {<a 
name="line.626"></a>
+<span class="sourceLineNo">627</span>          LOG.debug("Table " + tableName 
+ " should be available");<a name="line.627"></a>
+<span class="sourceLineNo">628</span>        }<a name="line.628"></a>
+<span class="sourceLineNo">629</span>        return true;<a 
name="line.629"></a>
+<span class="sourceLineNo">630</span>      }<a name="line.630"></a>
+<span class="sourceLineNo">631</span>    } catch (TableNotFoundException tnfe) 
{<a name="line.631"></a>
+<span class="sourceLineNo">632</span>      LOG.warn("Table " + tableName + " 
not enabled, it is not exists");<a name="line.632"></a>
+<span class="sourceLineNo">633</span>      return false;<a name="line.633"></a>
+<span class="sourceLineNo">634</span>    }<a name="line.634"></a>
+<span class="sourceLineNo">635</span>  }<a name="line.635"></a>
+<span class="sourceLineNo">636</span><a name="line.636"></a>
+<span class="sourceLineNo">637</span>  @Override<a name="line.637"></a>
+<span class="sourceLineNo">638</span>  public HRegionLocation 
locateRegion(final byte[] regionName) throws IOException {<a 
name="line.638"></a>
+<span class="sourceLineNo">639</span>    RegionLocations locations = 
locateRegion(RegionInfo.getTable(regionName),<a name="line.639"></a>
+<span class="sourceLineNo">640</span>      RegionInfo.getStartKey(regionName), 
false, true);<a name="line.640"></a>
+<span class="sourceLineNo">641</span>    return locations == null ? null : 
locations.getRegionLocation();<a name="line.641"></a>
+<span class="sourceLineNo">642</span>  }<a name="line.642"></a>
+<span class="sourceLineNo">643</span><a name="line.643"></a>
+<span class="sourceLineNo">644</span>  @Override<a name="line.644"></a>
+<span class="sourceLineNo">645</span>  public boolean isDeadServer(ServerName 
sn) {<a name="line.645"></a>
+<span class="sourceLineNo">646</span>    if (clusterStatusListener == null) 
{<a name="line.646"></a>
+<span class="sourceLineNo">647</span>      return false;<a name="line.647"></a>
+<span class="sourceLineNo">648</span>    } else {<a name="line.648"></a>
+<span class="sourceLineNo">649</span>      return 
clusterStatusListener.isDeadServer(sn);<a name="line.649"></a>
+<span class="sourceLineNo">650</span>    }<a name="line.650"></a>
+<span class="sourceLineNo">651</span>  }<a name="line.651"></a>
+<span class="sourceLineNo">652</span><a name="line.652"></a>
+<span class="sourceLineNo">653</span>  @Override<a name="line.653"></a>
+<span class="sourceLineNo">654</span>  public List&lt;HRegionLocation&gt; 
locateRegions(TableName tableName) throws IOException {<a name="line.654"></a>
+<span class="sourceLineNo">655</span>    return locateRegions(tableName, 
false, true);<a name="line.655"></a>
+<span class="sourceLineNo">656</span>  }<a name="line.656"></a>
+<span class="sourceLineNo">657</span><a name="line.657"></a>
+<span class="sourceLineNo">658</span>  @Override<a name="line.658"></a>
+<span class="sourceLineNo">659</span>  public List&lt;HRegionLocation&gt; 
locateRegions(TableName tableName, boolean useCache,<a name="line.659"></a>
+<span class="sourceLineNo">660</span>      boolean offlined) throws 
IOException {<a name="line.660"></a>
+<span class="sourceLineNo">661</span>    List&lt;RegionInfo&gt; regions;<a 
name="line.661"></a>
+<span class="sourceLineNo">662</span>    if 
(TableName.isMetaTableName(tableName)) {<a name="line.662"></a>
+<span class="sourceLineNo">663</span>      regions = 
Collections.singletonList(RegionInfoBuilder.FIRST_META_REGIONINFO);<a 
name="line.663"></a>
+<span class="sourceLineNo">664</span>    } else {<a name="line.664"></a>
+<span class="sourceLineNo">665</span>      regions = 
MetaTableAccessor.getTableRegions(this, tableName, !offlined);<a 
name="line.665"></a>
+<span class="sourceLineNo">666</span>    }<a name="line.666"></a>
+<span class="sourceLineNo">667</span>    List&lt;HRegionLocation&gt; locations 
= new ArrayList&lt;&gt;();<a name="line.667"></a>
+<span class="sourceLineNo">668</span>    for (RegionInfo regionInfo : regions) 
{<a name="line.668"></a>
+<span class="sourceLineNo">669</span>      RegionLocations list = 
locateRegion(tableName, regionInfo.getStartKey(), useCache, true);<a 
name="line.669"></a>
+<span class="sourceLineNo">670</span>      if (list != null) {<a 
name="line.670"></a>
+<span class="sourceLineNo">671</span>        for (HRegionLocation loc : 
list.getRegionLocations()) {<a name="line.671"></a>
+<span class="sourceLineNo">672</span>          if (loc != null) {<a 
name="line.672"></a>
+<span class="sourceLineNo">673</span>            locations.add(loc);<a 
name="line.673"></a>
+<span class="sourceLineNo">674</span>          }<a name="line.674"></a>
+<span class="sourceLineNo">675</span>        }<a name="line.675"></a>
+<span class="sourceLineNo">676</span>      }<a name="line.676"></a>
+<span class="sourceLineNo">677</span>    }<a name="line.677"></a>
+<span class="sourceLineNo">678</span>    return locations;<a 
name="line.678"></a>
+<span class="sourceLineNo">679</span>  }<a name="line.679"></a>
+<span class="sourceLineNo">680</span><a name="line.680"></a>
+<span class="sourceLineNo">681</span>  @Override<a name="line.681"></a>
+<span class="sourceLineNo">682</span>  public HRegionLocation locateRegion(<a 
name="line.682"></a>
+<span class="sourceLineNo">683</span>      final TableName tableName, final 
byte[] row) throws IOException{<a name="line.683"></a>
+<span class="sourceLineNo">684</span>    RegionLocations locations = 
locateRegion(tableName, row, true, true);<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    return locations == null ? null : 
locations.getRegionLocation();<a name="line.685"></a>
+<span class="sourceLineNo">686</span>  }<a name="line.686"></a>
+<span class="sourceLineNo">687</span><a name="line.687"></a>
+<span class="sourceLineNo">688</span>  @Override<a name="line.688"></a>
+<span class="sourceLineNo">689</span>  public HRegionLocation 
relocateRegion(final TableName tableName,<a name="line.689"></a>
+<span class="sourceLineNo">690</span>      final byte [] row) throws 
IOException{<a name="line.690"></a>
+<span class="sourceLineNo">691</span>    RegionLocations locations =  
relocateRegion(tableName, row,<a name="line.691"></a>
+<span class="sourceLineNo">692</span>      
RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.692"></a>
+<span class="sourceLineNo">693</span>    return locations == null ? null :<a 
name="line.693"></a>
+<span class="sourceLineNo">694</span>      
locations.getRegionLocation(RegionReplicaUtil.DEFAULT_REPLICA_ID);<a 
name="line.694"></a>
+<span class="sourceLineNo">695</span>  }<a name="line.695"></a>
+<span class="sourceLineNo">696</span><a name="line.696"></a>
+<span class="sourceLineNo">697</span>  @Override<a name="line.697"></a>
+<span class="sourceLineNo">698</span>  public RegionLocations 
relocateRegion(final TableName tableName,<a name="line.698"></a>
+<span class="sourceLineNo">699</span>      final byte [] row, int replicaId) 
throws IOException{<a name="line.699"></a>
+<span class="sourceLineNo">700</span>    // Since this is an explicit request 
not to use any caching, finding<a name="line.700"></a>
+<span class="sourceLineNo">701</span>    // disabled tables should not be 
desirable.  This will ensure that an exception is thrown when<a 
name="line.701"></a>
+<span class="sourceLineNo">702</span>    // the first time a disabled table is 
interacted with.<a name="line.702"></a>
+<span class="sourceLineNo">703</span>    if 
(!tableName.equals(TableName.META_TABLE_NAME) &amp;&amp; 
isTableDisabled(tableName)) {<a name="line.703"></a>
+<span class="sourceLineNo">704</span>      throw new 
TableNotEnabledException(tableName.getNameAsString() + " is disabled.");<a 
name="line.704"></a>
+<span class="sourceLineNo">705</span>    }<a name="line.705"></a>
+<span class="sourceLineNo">706</span><a name="line.706"></a>
+<span class="sourceLineNo">707</span>    return locateRegion(tableName, row, 
false, true, replicaId);<a name="line.707"></a>
+<span class="sourceLineNo">708</span>  }<a name="line.708"></a>
+<span class="sourceLineNo">709</span><a name="line.709"></a>
+<span class="sourceLineNo">710</span>  @Override<a name="line.710"></a>
+<span class="sourceLineNo">711</span>  public RegionLocations 
locateRegion(final TableName tableName,<a name="line.711"></a>
+<span class="sourceLineNo">712</span>    final byte [] row, boolean useCache, 
boolean retry)<a name="line.712"></a>
+<span class="sourceLineNo">713</span>  throws IOException {<a 
name="line.713"></a>
+<span class="sourceLineNo">714</span>    return locateRegion(tableName, row, 
useCache, retry, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.714"></a>
+<span class="sourceLineNo">715</span>  }<a name="line.715"></a>
+<span class="sourceLineNo">716</span><a name="line.716"></a>
+<span class="sourceLineNo">717</span>  @Override<a name="line.717"></a>
+<span class="sourceLineNo">718</span>  public RegionLocations 
locateRegion(final TableName tableName,<a name="line.718"></a>
+<span class="sourceLineNo">719</span>    final byte [] row, boolean useCache, 
boolean retry, int replicaId)<a name="line.719"></a>
+<span class="sourceLineNo">720</span>  throws IOException {<a 
name="line.720"></a>
+<span class="sourceLineNo">721</span>    if (this.closed) {<a 
name="line.721"></a>
+<span class="sourceLineNo">722</span>      throw new 
DoNotRetryIOException(toString() + " closed");<a name="line.722"></a>
+<span class="sourceLineNo">723</span>    }<a name="line.723"></a>
+<span class="sourceLineNo">724</span>    if (tableName== null || 
tableName.getName().length == 0) {<a name="line.724"></a>
+<span class="sourceLineNo">725</span>      throw new 
IllegalArgumentException(<a name="line.725"></a>
+<span class="sourceLineNo">726</span>          "table name cannot be null or 
zero length");<a name="line.726"></a>
+<span class="sourceLineNo">727</span>    }<a name="line.727"></a>
+<span class="sourceLineNo">728</span>    if 
(tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.728"></a>
+<span class="sourceLineNo">729</span>      return locateMeta(tableName, 
useCache, replicaId);<a name="line.729"></a>
+<span class="sourceLineNo">730</span>    } else {<a name="line.730"></a>
+<span class="sourceLineNo">731</span>      // Region not in the cache - have 
to go to the meta RS<a name="line.731"></a>
+<span class="sourceLineNo">732</span>      return 
locateRegionInMeta(tableName, row, useCache, retry, replicaId);<a 
name="line.732"></a>
+<span class="sourceLineNo">733</span>    }<a name="line.733"></a>
+<span class="sourceLineNo">734</span>  }<a name="line.734"></a>
+<span class="sourceLineNo">735</span><a name="line.735"></a>
+<span class="sourceLineNo">736</span>  private RegionLocations 
locateMeta(final TableName tableName,<a name="line.736"></a>
+<span class="sourceLineNo">737</span>      boolean useCache, int replicaId) 
throws IOException {<a name="line.737"></a>
+<span class="sourceLineNo">738</span>    // HBASE-10785: We cache the location 
of the META itself, so that we are not overloading<a name="line.738"></a>
+<span class="sourceLineNo">739</span>    // zookeeper with one request for 
every region lookup. We cache the META with empty row<a name="line.739"></a>
+<span class="sourceLineNo">740</span>    // key in MetaCache.<a 
name="line.740"></a>
+<span class="sourceLineNo">741</span>    byte[] metaCacheKey = 
HConstants.EMPTY_START_ROW; // use byte[0] as the row for meta<a 
name="line.741"></a>
+<span class="sourceLineNo">742</span>    RegionLocations locations = null;<a 
name="line.742"></a>
+<span class="sourceLineNo">743</span>    if (useCache) {<a name="line.743"></a>
+<span class="sourceLineNo">744</span>      locations = 
getCachedLocation(tableName, metaCacheKey);<a name="line.744"></a>
+<span class="sourceLineNo">745</span>      if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.745"></a>
+<span class="sourceLineNo">746</span>        return locations;<a 
name="line.746"></a>
+<span class="sourceLineNo">747</span>      }<a name="line.747"></a>
+<span class="sourceLineNo">748</span>    }<a name="line.748"></a>
+<span class="sourceLineNo">749</span><a name="line.749"></a>
+<span class="sourceLineNo">750</span>    // only one thread should do the 
lookup.<a name="line.750"></a>
+<span class="sourceLineNo">751</span>    synchronized (metaRegionLock) {<a 
name="line.751"></a>
+<span class="sourceLineNo">752</span>      // Check the cache again for a hit 
in case some other thread made the<a name="line.752"></a>
+<span class="sourceLineNo">753</span>      // same query while we were waiting 
on the lock.<a name="line.753"></a>
+<span class="sourceLineNo">754</span>      if (useCache) {<a 
name="line.754"></a>
+<span class="sourceLineNo">755</span>        locations = 
getCachedLocation(tableName, metaCacheKey);<a name="line.755"></a>
+<span class="sourceLineNo">756</span>        if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.756"></a>
+<span class="sourceLineNo">757</span>          return locations;<a 
name="line.757"></a>
+<span class="sourceLineNo">758</span>        }<a name="line.758"></a>
+<span class="sourceLineNo">759</span>      }<a name="line.759"></a>
+<span class="sourceLineNo">760</span><a name="line.760"></a>
+<span class="sourceLineNo">761</span>      // Look up from zookeeper<a 
name="line.761"></a>
+<span class="sourceLineNo">762</span>      locations = 
get(this.registry.getMetaRegionLocation());<a name="line.762"></a>
+<span class="sourceLineNo">763</span>      if (locations != null) {<a 
name="line.763"></a>
+<span class="sourceLineNo">764</span>        cacheLocation(tableName, 
locations);<a name="line.764"></a>
+<span class="sourceLineNo">765</span>      }<a name="line.765"></a>
+<span class="sourceLineNo">766</span>    }<a name="line.766"></a>
+<span class="sourceLineNo">767</span>    return locations;<a 
name="line.767"></a>
+<span class="sourceLineNo">768</span>  }<a name="line.768"></a>
+<span class="sourceLineNo">769</span><a name="line.769"></a>
+<span class="sourceLineNo">770</span>  /*<a name="line.770"></a>
+<span class="sourceLineNo">771</span>    * Search the hbase:meta table for the 
HRegionLocation<a name="line.771"></a>
+<span class="sourceLineNo">772</span>    * info that contains the table and 
row we're seeking.<a name="line.772"></a>
+<span class="sourceLineNo">773</span>    */<a name="line.773"></a>
+<span class="sourceLineNo">774</span>  private RegionLocations 
locateRegionInMeta(TableName tableName, byte[] row,<a name="line.774"></a>
+<span class="sourceLineNo">775</span>                 boolean useCache, 
boolean retry, int replicaId) throws IOException {<a name="line.775"></a>
+<span class="sourceLineNo">776</span><a name="line.776"></a>
+<span class="sourceLineNo">777</span>    // If we are supposed to be using the 
cache, look in the cache to see if<a name="line.777"></a>
+<span class="sourceLineNo">778</span>    // we already have the region.<a 
name="line.778"></a>
+<span class="sourceLineNo">779</span>    if (useCache) {<a name="line.779"></a>
+<span class="sourceLineNo">780</span>      RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.780"></a>
+<span class="sourceLineNo">781</span>      if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.781"></a>
+<span class="sourceLineNo">782</span>        return locations;<a 
name="line.782"></a>
+<span class="sourceLineNo">783</span>      }<a name="line.783"></a>
+<span class="sourceLineNo">784</span>    }<a name="line.784"></a>
+<span class="sourceLineNo">785</span><a name="line.785"></a>
+<span class="sourceLineNo">786</span>    // build the key of the meta region 
we should be looking for.<a name="line.786"></a>
+<span class="sourceLineNo">787</span>    // the extra 9's on the end are 
necessary to allow "exact" matches<a name="line.787"></a>
+<span class="sourceLineNo">788</span>    // without knowing the precise region 
names.<a name="line.788"></a>
+<span class="sourceLineNo">789</span>    byte[] metaKey = 
RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a 
name="line.789"></a>
+<span class="sourceLineNo">790</span><a name="line.790"></a>
+<span class="sourceLineNo">791</span>    Scan s = new Scan();<a 
name="line.791"></a>
+<span class="sourceLineNo">792</span>    s.setReversed(true);<a 
name="line.792"></a>
+<span class="sourceLineNo">793</span>    s.withStartRow(metaKey);<a 
name="line.793"></a>
+<span class="sourceLineNo">794</span>    
s.addFamily(HConstants.CATALOG_FAMILY);<a name="line.794"></a>
+<span class="sourceLineNo">795</span><a name="line.795"></a>
+<span class="sourceLineNo">796</span>    if (this.useMetaReplicas) {<a 
name="line.796"></a>
+<span class="sourceLineNo">797</span>      
s.setConsistency(Consistency.TIMELINE);<a name="line.797"></a>
+<span class="sourceLineNo">798</span>    }<a name="line.798"></a>
+<span class="sourceLineNo">799</span><a name="line.799"></a>
+<span class="sourceLineNo">800</span>    int maxAttempts = (retry ? numTries : 
1);<a name="line.800"></a>
+<span class="sourceLineNo">801</span>    for (int tries = 0; true; tries++) 
{<a name="line.801"></a>
+<span class="sourceLineNo">802</span>      if (tries &gt;= maxAttempts) {<a 
name="line.802"></a>
+<span class="sourceLineNo">803</span>        throw new 
NoServerForRegionException("Unable to find region for "<a name="line.803"></a>
+<span class="sourceLineNo">804</span>            + Bytes.toStringBinary(row) + 
" in " + tableName + " after " + tries + " tries.");<a name="line.804"></a>
+<span class="sourceLineNo">805</span>      }<a name="line.805"></a>
+<span class="sourceLineNo">806</span>      if (useCache) {<a 
name="line.806"></a>
+<span class="sourceLineNo">807</span>        RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.807"></a>
+<span class="sourceLineNo">808</span>        if (locations != null &amp;&amp; 
locations.getRegionLocation(replicaId) != null) {<a name="line.808"></a>
+<span class="sourceLineNo">809</span>          return locations;<a 
name="line.809"></a>
+<span class="sourceLineNo">810</span>        }<a name="line.810"></a>
+<span class="sourceLineNo">811</span>      } else {<a name="line.811"></a>
+<span class="sourceLineNo">812</span>        // If we are not supposed to be 
using the cache, delete any existing cached location<a name="line.812"></a>
+<span class="sourceLineNo">813</span>        // so it won't interfere.<a 
name="line.813"></a>
+<span class="sourceLineNo">814</span>        // We are only supposed to clean 
the cache for the specific replicaId<a name="line.814"></a>
+<span class="sourceLineNo">815</span>        metaCache.clearCache(tableName, 
row, replicaId);<a name="line.815"></a>
+<span class="sourceLineNo">816</span>      }<a name="line.816"></a>
+<span class="sourceLineNo">817</span><a name="line.817"></a>
+<span class="sourceLineNo">818</span>      // Query the meta region<a 
name="line.818"></a>
+<span class="sourceLineNo">819</span>      long pauseBase = this.pause;<a 
name="line.819"></a>
+<span class="sourceLineNo">820</span>      userRegionLock.lock();<a 
name="line.820"></a>
+<span class="sourceLineNo">821</span>      try {<a name="line.821"></a>
+<span class="sourceLineNo">822</span>        if (useCache) {// re-check cache 
after get lock<a name="line.822"></a>
+<span class="sourceLineNo">823</span>          RegionLocations locations = 
getCachedLocation(tableName, row);<a name="line.823"></a>
+<span class="sourceLineNo">824</span>          if (locations != null 
&amp;&amp; locations.getRegionLocation(replicaId) != null) {<a 
name="line.824"></a>
+<span class="sourceLineNo">825</span>            return locations;<a 
name="line.825"></a>
+<span class="sourceLineNo">826</span>          }<a name="line.826"></a>
 <span class="sourceLineNo">827</span>        }<a name="line.827"></a>
-<span class="sourceLineNo">828</span><a name="line.828"></a>
-<span class="sourceLineNo">829</span>        if (regionInfoRow == null) {<a 
name="line.829"></a>
-<span class="sou

<TRUNCATED>