http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1ee65067/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html
index 98a45a0..4f02ded 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html
@@ -66,1947 +66,1940 @@
 <span class="sourceLineNo">058</span>import 
org.apache.hadoop.hbase.TableNotEnabledException;<a name="line.58"></a>
 <span class="sourceLineNo">059</span>import 
org.apache.hadoop.hbase.TableNotFoundException;<a name="line.59"></a>
 <span class="sourceLineNo">060</span>import 
org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import 
org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy;<a 
name="line.61"></a>
-<span class="sourceLineNo">062</span>import 
org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicyFactory;<a 
name="line.62"></a>
-<span class="sourceLineNo">063</span>import 
org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import 
org.apache.hadoop.hbase.exceptions.RegionMovedException;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import 
org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import 
org.apache.hadoop.hbase.ipc.RpcClientFactory;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import 
org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import 
org.apache.hadoop.hbase.log.HBaseMarkers;<a name="line.68"></a>
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org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;<a 
name="line.69"></a>
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org.apache.hadoop.hbase.security.User;<a name="line.70"></a>
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org.apache.hadoop.hbase.util.Bytes;<a name="line.71"></a>
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org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.72"></a>
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org.apache.hadoop.hbase.util.ExceptionUtil;<a name="line.73"></a>
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org.apache.hadoop.hbase.util.Pair;<a name="line.74"></a>
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org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.75"></a>
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org.apache.hadoop.hbase.util.Threads;<a name="line.76"></a>
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org.apache.hadoop.ipc.RemoteException;<a name="line.77"></a>
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org.apache.yetus.audience.InterfaceAudience;<a name="line.78"></a>
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org.apache.zookeeper.KeeperException;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>import org.slf4j.Logger;<a 
name="line.80"></a>
-<span class="sourceLineNo">081</span>import org.slf4j.LoggerFactory;<a 
name="line.81"></a>
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-<span class="sourceLineNo">083</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
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org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a 
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org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.88"></a>
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersResponse;<a
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-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span>/**<a name="line.129"></a>
-<span class="sourceLineNo">130</span> * Main implementation of {@link 
Connection} and {@link ClusterConnection} interfaces.<a name="line.130"></a>
-<span class="sourceLineNo">131</span> * Encapsulates connection to zookeeper 
and regionservers.<a name="line.131"></a>
-<span class="sourceLineNo">132</span> */<a name="line.132"></a>
-<span 
class="sourceLineNo">133</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(<a
 name="line.133"></a>
-<span class="sourceLineNo">134</span>    
value="AT_OPERATION_SEQUENCE_ON_CONCURRENT_ABSTRACTION",<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    justification="Access to the 
conncurrent hash map is under a lock so should be fine.")<a name="line.135"></a>
-<span class="sourceLineNo">136</span>@InterfaceAudience.Private<a 
name="line.136"></a>
-<span class="sourceLineNo">137</span>class ConnectionImplementation implements 
ClusterConnection, Closeable {<a name="line.137"></a>
-<span class="sourceLineNo">138</span>  public static final String 
RETRIES_BY_SERVER_KEY = "hbase.client.retries.by.server";<a name="line.138"></a>
-<span class="sourceLineNo">139</span>  private static final Logger LOG = 
LoggerFactory.getLogger(ConnectionImplementation.class);<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span>  private static final String 
RESOLVE_HOSTNAME_ON_FAIL_KEY = "hbase.resolve.hostnames.on.failure";<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span>  private final boolean 
hostnamesCanChange;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>  private final long pause;<a 
name="line.144"></a>
-<span class="sourceLineNo">145</span>  private final long pauseForCQTBE;// 
pause for CallQueueTooBigException, if specified<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  private boolean useMetaReplicas;<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span>  private final int 
metaReplicaCallTimeoutScanInMicroSecond;<a name="line.147"></a>
-<span class="sourceLineNo">148</span>  private final int numTries;<a 
name="line.148"></a>
-<span class="sourceLineNo">149</span>  final int rpcTimeout;<a 
name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>  /**<a name="line.151"></a>
-<span class="sourceLineNo">152</span>   * Global nonceGenerator shared per 
client.Currently there's no reason to limit its scope.<a name="line.152"></a>
-<span class="sourceLineNo">153</span>   * Once it's set under 
nonceGeneratorCreateLock, it is never unset or changed.<a name="line.153"></a>
-<span class="sourceLineNo">154</span>   */<a name="line.154"></a>
-<span class="sourceLineNo">155</span>  private static volatile NonceGenerator 
nonceGenerator = null;<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  /** The nonce generator lock. Only 
taken when creating Connection, which gets a private copy. */<a 
name="line.156"></a>
-<span class="sourceLineNo">157</span>  private static final Object 
nonceGeneratorCreateLock = new Object();<a name="line.157"></a>
-<span class="sourceLineNo">158</span><a name="line.158"></a>
-<span class="sourceLineNo">159</span>  private final AsyncProcess 
asyncProcess;<a name="line.159"></a>
-<span class="sourceLineNo">160</span>  // single tracker per connection<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>  private final ServerStatisticTracker 
stats;<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span>  private volatile boolean closed;<a 
name="line.163"></a>
-<span class="sourceLineNo">164</span>  private volatile boolean aborted;<a 
name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span>  // package protected for the tests<a 
name="line.166"></a>
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clusterStatusListener;<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span>  private final Object metaRegionLock = 
new Object();<a name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span>  private final Object masterLock = new 
Object();<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span>  // thread executor shared by all Table 
instances created<a name="line.173"></a>
-<span class="sourceLineNo">174</span>  // by this connection<a 
name="line.174"></a>
-<span class="sourceLineNo">175</span>  private volatile ExecutorService 
batchPool = null;<a name="line.175"></a>
-<span class="sourceLineNo">176</span>  // meta thread executor shared by all 
Table instances created<a name="line.176"></a>
-<span class="sourceLineNo">177</span>  // by this connection<a 
name="line.177"></a>
-<span class="sourceLineNo">178</span>  private volatile ExecutorService 
metaLookupPool = null;<a name="line.178"></a>
-<span class="sourceLineNo">179</span>  private volatile boolean cleanupPool = 
false;<a name="line.179"></a>
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-<span class="sourceLineNo">181</span>  private final Configuration conf;<a 
name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span>  // cache the configuration value for 
tables so that we can avoid calling<a name="line.183"></a>
-<span class="sourceLineNo">184</span>  // the expensive Configuration to fetch 
the value multiple times.<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  private final ConnectionConfiguration 
connectionConfig;<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span>  // Client rpc instance.<a 
name="line.187"></a>
-<span class="sourceLineNo">188</span>  private final RpcClient rpcClient;<a 
name="line.188"></a>
-<span class="sourceLineNo">189</span><a name="line.189"></a>
-<span class="sourceLineNo">190</span>  private final MetaCache metaCache;<a 
name="line.190"></a>
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metrics;<a name="line.191"></a>
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-<span class="sourceLineNo">193</span>  protected User user;<a 
name="line.193"></a>
-<span class="sourceLineNo">194</span><a name="line.194"></a>
-<span class="sourceLineNo">195</span>  private final RpcRetryingCallerFactory 
rpcCallerFactory;<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span>  private final RpcControllerFactory 
rpcControllerFactory;<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span>  private final RetryingCallerInterceptor 
interceptor;<a name="line.199"></a>
-<span class="sourceLineNo">200</span><a name="line.200"></a>
-<span class="sourceLineNo">201</span>  /**<a name="line.201"></a>
-<span class="sourceLineNo">202</span>   * Cluster registry of basic info such 
as clusterid and meta region location.<a name="line.202"></a>
-<span class="sourceLineNo">203</span>   */<a name="line.203"></a>
-<span class="sourceLineNo">204</span>  private final AsyncRegistry registry;<a 
name="line.204"></a>
-<span class="sourceLineNo">205</span><a name="line.205"></a>
-<span class="sourceLineNo">206</span>  private final ClientBackoffPolicy 
backoffPolicy;<a name="line.206"></a>
-<span class="sourceLineNo">207</span><a name="line.207"></a>
-<span class="sourceLineNo">208</span>  /**<a name="line.208"></a>
-<span class="sourceLineNo">209</span>   * Allow setting an alternate 
BufferedMutator implementation via<a name="line.209"></a>
-<span class="sourceLineNo">210</span>   * config. If null, use default.<a 
name="line.210"></a>
-<span class="sourceLineNo">211</span>   */<a name="line.211"></a>
-<span class="sourceLineNo">212</span>  private final String 
alternateBufferedMutatorClassName;<a name="line.212"></a>
-<span class="sourceLineNo">213</span><a name="line.213"></a>
-<span class="sourceLineNo">214</span>  /** lock guards against multiple 
threads trying to query the meta region at the same time */<a 
name="line.214"></a>
-<span class="sourceLineNo">215</span>  private final ReentrantLock 
userRegionLock = new ReentrantLock();<a name="line.215"></a>
-<span class="sourceLineNo">216</span><a name="line.216"></a>
-<span class="sourceLineNo">217</span>  /**<a name="line.217"></a>
-<span class="sourceLineNo">218</span>   * constructor<a name="line.218"></a>
-<span class="sourceLineNo">219</span>   * @param conf Configuration object<a 
name="line.219"></a>
-<span class="sourceLineNo">220</span>   */<a name="line.220"></a>
-<span class="sourceLineNo">221</span>  ConnectionImplementation(Configuration 
conf,<a name="line.221"></a>
-<span class="sourceLineNo">222</span>                           
ExecutorService pool, User user) throws IOException {<a name="line.222"></a>
-<span class="sourceLineNo">223</span>    this.conf = conf;<a 
name="line.223"></a>
-<span class="sourceLineNo">224</span>    this.user = user;<a 
name="line.224"></a>
-<span class="sourceLineNo">225</span>    this.batchPool = pool;<a 
name="line.225"></a>
-<span class="sourceLineNo">226</span>    this.connectionConfig = new 
ConnectionConfiguration(conf);<a name="line.226"></a>
-<span class="sourceLineNo">227</span>    this.closed = false;<a 
name="line.227"></a>
-<span class="sourceLineNo">228</span>    this.pause = 
conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.228"></a>
-<span class="sourceLineNo">229</span>        
HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    long configuredPauseForCQTBE = 
conf.getLong(HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE, pause);<a 
name="line.230"></a>
-<span class="sourceLineNo">231</span>    if (configuredPauseForCQTBE &lt; 
pause) {<a name="line.231"></a>
-<span class="sourceLineNo">232</span>      LOG.warn("The " + 
HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE + " setting: "<a name="line.232"></a>
-<span class="sourceLineNo">233</span>          + configuredPauseForCQTBE + " 
is smaller than " + HConstants.HBASE_CLIENT_PAUSE<a name="line.233"></a>
-<span class="sourceLineNo">234</span>          + ", will use " + pause + " 
instead.");<a name="line.234"></a>
-<span class="sourceLineNo">235</span>      this.pauseForCQTBE = pause;<a 
name="line.235"></a>
-<span class="sourceLineNo">236</span>    } else {<a name="line.236"></a>
-<span class="sourceLineNo">237</span>      this.pauseForCQTBE = 
configuredPauseForCQTBE;<a name="line.237"></a>
-<span class="sourceLineNo">238</span>    }<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    this.useMetaReplicas = 
conf.getBoolean(HConstants.USE_META_REPLICAS,<a name="line.239"></a>
-<span class="sourceLineNo">240</span>      
HConstants.DEFAULT_USE_META_REPLICAS);<a name="line.240"></a>
-<span class="sourceLineNo">241</span>    
this.metaReplicaCallTimeoutScanInMicroSecond =<a name="line.241"></a>
-<span class="sourceLineNo">242</span>        
connectionConfig.getMetaReplicaCallTimeoutMicroSecondScan();<a 
name="line.242"></a>
-<span class="sourceLineNo">243</span><a name="line.243"></a>
-<span class="sourceLineNo">244</span>    // how many times to try, one more 
than max *retry* time<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    this.numTries = 
retries2Attempts(connectionConfig.getRetriesNumber());<a name="line.245"></a>
-<span class="sourceLineNo">246</span>    this.rpcTimeout = conf.getInt(<a 
name="line.246"></a>
-<span class="sourceLineNo">247</span>        
HConstants.HBASE_RPC_TIMEOUT_KEY,<a name="line.247"></a>
-<span class="sourceLineNo">248</span>        
HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.248"></a>
-<span class="sourceLineNo">249</span>    if 
(conf.getBoolean(NonceGenerator.CLIENT_NONCES_ENABLED_KEY, true)) {<a 
name="line.249"></a>
-<span class="sourceLineNo">250</span>      synchronized 
(nonceGeneratorCreateLock) {<a name="line.250"></a>
-<span class="sourceLineNo">251</span>        if (nonceGenerator == null) {<a 
name="line.251"></a>
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params.setWriteBufferPeriodicFlushTimeoutMs(<a name="line.367"></a>
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params.setWriteBufferPeriodicFlushTimerTickMs(<a name="line.371"></a>
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conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.441"></a>
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org.apache.hadoop.hbase.client.Scan.ReadType;<a name="line.61"></a>
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org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy;<a 
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org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicyFactory;<a 
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org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.64"></a>
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org.apache.hadoop.hbase.exceptions.RegionMovedException;<a name="line.65"></a>
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org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.66"></a>
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org.apache.hadoop.hbase.ipc.RpcClientFactory;<a name="line.67"></a>
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org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.68"></a>
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org.apache.hadoop.hbase.log.HBaseMarkers;<a name="line.69"></a>
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org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;<a 
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org.apache.hadoop.hbase.security.User;<a name="line.71"></a>
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org.apache.hadoop.hbase.util.Bytes;<a name="line.72"></a>
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org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.73"></a>
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org.apache.hadoop.hbase.util.ExceptionUtil;<a name="line.74"></a>
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org.apache.hadoop.hbase.util.Pair;<a name="line.75"></a>
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org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.76"></a>
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org.apache.hadoop.hbase.util.Threads;<a name="line.77"></a>
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org.apache.hadoop.ipc.RemoteException;<a name="line.78"></a>
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org.apache.yetus.audience.InterfaceAudience;<a name="line.79"></a>
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org.apache.zookeeper.KeeperException;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.slf4j.Logger;<a 
name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.slf4j.LoggerFactory;<a 
name="line.82"></a>
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org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
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org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a 
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org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a 
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org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.89"></a>
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos;<a 
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DecommissionRegionServersResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsBalancerEnabledRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsBalancerEnabledResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsNormalizerEnabledRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsNormalizerEnabledResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListDecommissionedRegionServersRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListDecommissionedRegionServersResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.NormalizeRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.NormalizeResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RecommissionRegionServerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RecommissionRegionServerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.EnableReplicationPeerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.EnableReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.RemoveReplicationPeerRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.RemoveReplicationPeerResponse;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.UpdateReplicationPeerConfigRequest;<a
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org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.UpdateReplicationPeerConfigResponse;<a
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+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span>/**<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * Main implementation of {@link 
Connection} and {@link ClusterConnection} interfaces.<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * Encapsulates connection to zookeeper 
and regionservers.<a name="line.132"></a>
+<span class="sourceLineNo">133</span> */<a name="line.133"></a>
+<span 
class="sourceLineNo">134</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(<a
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+<span class="sourceLineNo">135</span>    
value="AT_OPERATION_SEQUENCE_ON_CONCURRENT_ABSTRACTION",<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    justification="Access to the 
conncurrent hash map is under a lock so should be fine.")<a name="line.136"></a>
+<span class="sourceLineNo">137</span>@InterfaceAudience.Private<a 
name="line.137"></a>
+<span class="sourceLineNo">138</span>class ConnectionImplementation implements 
ClusterConnection, Closeable {<a name="line.138"></a>
+<span class="sourceLineNo">139</span>  public static final String 
RETRIES_BY_SERVER_KEY = "hbase.client.retries.by.server";<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  private static final Logger LOG = 
LoggerFactory.getLogger(ConnectionImplementation.class);<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>  private static final String 
RESOLVE_HOSTNAME_ON_FAIL_KEY = "hbase.resolve.hostnames.on.failure";<a 
name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span>  private final boolean 
hostnamesCanChange;<a name="line.144"></a>
+<span class="sourceLineNo">145</span>  private final long pause;<a 
name="line.145"></a>
+<span class="sourceLineNo">146</span>  private final long pauseForCQTBE;// 
pause for CallQueueTooBigException, if specified<a name="line.146"></a>
+<span class="sourceLineNo">147</span>  private boolean useMetaReplicas;<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>  private final int 
metaReplicaCallTimeoutScanInMicroSecond;<a name="line.148"></a>
+<span class="sourceLineNo">149</span>  private final int numTries;<a 
name="line.149"></a>
+<span class="sourceLineNo">150</span>  final int rpcTimeout;<a 
name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span>  /**<a name="line.152"></a>
+<span class="sourceLineNo">153</span>   * Global nonceGenerator shared per 
client.Currently there's no reason to limit its scope.<a name="line.153"></a>
+<span class="sourceLineNo">154</span>   * Once it's set under 
nonceGeneratorCreateLock, it is never unset or changed.<a name="line.154"></a>
+<span class="sourceLineNo">155</span>   */<a name="line.155"></a>
+<span class="sourceLineNo">156</span>  private static volatile NonceGenerator 
nonceGenerator = null;<a name="line.156"></a>
+<span class="sourceLineNo">157</span>  /** The nonce generator lock. Only 
taken when creating Connection, which gets a private copy. */<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>  private static final Object 
nonceGeneratorCreateLock = new Object();<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span>  private final AsyncProcess 
asyncProcess;<a name="line.160"></a>
+<span class="sourceLineNo">161</span>  // single tracker per connection<a 
name="line.161"></a>
+<span class="sourceLineNo">162</span>  private final ServerStatisticTracker 
stats;<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>  private volatile boolean closed;<a 
name="line.164"></a>
+<span class="sourceLineNo">165</span>  private volatile boolean aborted;<a 
name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>  // package protected for the tests<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>  ClusterStatusListener 
clusterStatusListener;<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span>  private final Object metaRegionLock = 
new Object();<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span>  private final Object masterLock = new 
Object();<a name="line.172"></a>
+<span class="sourceLineNo">173</span><a name="line.173"></a>
+<span class="sourceLineNo">174</span>  // thread executor shared by all Table 
instances created<a name="line.174"></a>
+<span class="sourceLineNo">175</span>  // by this connection<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>  private volatile ExecutorService 
batchPool = null;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>  // meta thread executor shared by all 
Table instances created<a name="line.177"></a>
+<span class="sourceLineNo">178</span>  // by this connection<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>  private volatile ExecutorService 
metaLookupPool = null;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>  private volatile boolean cleanupPool = 
false;<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  private final Configuration conf;<a 
name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span>  // cache the configuration value for 
tables so that we can avoid calling<a name="line.184"></a>
+<span class="sourceLineNo">185</span>  // the expensive Configuration to fetch 
the value multiple times.<a name="line.185"></a>
+<span class="sourceLineNo">186</span>  private final ConnectionConfiguration 
connectionConfig;<a name="line.186"></a>
+<span class="sourceLineNo">187</span><a name="line.187"></a>
+<span class="sourceLineNo">188</span>  // Client rpc instance.<a 
name="line.188"></a>
+<span class="sourceLineNo">189</span>  private final RpcClient rpcClient;<a 
name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
+<span class="sourceLineNo">191</span>  private final MetaCache metaCache;<a 
name="line.191"></a>
+<span class="sourceLineNo">192</span>  private final MetricsConnection 
metrics;<a name="line.192"></a>
+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span>  protected User user;<a 
name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span>  private final RpcRetryingCallerFactory 
rpcCallerFactory;<a name="line.196"></a>
+<span class="sourceLineNo">197</span><a name="line.197"></a>
+<span class="sourceLineNo">198</span>  private final RpcControllerFactory 
rpcControllerFactory;<a name="line.198"></a>
+<span class="sourceLineNo">199</span><a name="line.199"></a>
+<span class="sourceLineNo">200</span>  private final RetryingCallerInterceptor 
interceptor;<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   * Cluster registry of basic info such 
as clusterid and meta region location.<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   */<a name="line.204"></a>
+<span class="sourceLineNo">205</span>  private final AsyncRegistry registry;<a 
name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span>  private final ClientBackoffPolicy 
backoffPolicy;<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span>  /**<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * Allow setting an alternate 
BufferedMutator implementation via<a name="line.210"></a>
+<span class="sourceLineNo">211</span>   * config. If null, use default.<a 
name="line.211"></a>
+<span class="sourceLineNo">212</span>   */<a name="line.212"></a>
+<span class="sourceLineNo">213</span>  private final String 
alternateBufferedMutatorClassName;<a name="line.213"></a>
+<span class="sourceLineNo">214</span><a name="line.214"></a>
+<span class="sourceLineNo">215</span>  /** lock guards against multiple 
threads trying to query the meta region at the same time */<a 
name="line.215"></a>
+<span class="sourceLineNo">216</span>  private final ReentrantLock 
userRegionLock = new ReentrantLock();<a name="line.216"></a>
+<span class="sourceLineNo">217</span><a name="line.217"></a>
+<span class="sourceLineNo">218</span>  /**<a name="line.218"></a>
+<span class="sourceLineNo">219</span>   * constructor<a name="line.219"></a>
+<span class="sourceLineNo">220</span>   * @param conf Configuration object<a 
name="line.220"></a>
+<span class="sourceLineNo">221</span>   */<a name="line.221"></a>
+<span class="sourceLineNo">222</span>  ConnectionImplementation(Configuration 
conf,<a name="line.222"></a>
+<span class="sourceLineNo">223</span>                           
ExecutorService pool, User user) throws IOException {<a name="line.223"></a>
+<span class="sourceLineNo">224</span>    this.conf = conf;<a 
name="line.224"></a>
+<span class="sourceLineNo">225</span>    this.user = user;<a 
name="line.225"></a>
+<span class="sourceLineNo">226</span>    this.batchPool = pool;<a 
name="line.226"></a>
+<span class="sourceLineNo">227</span>    this.connectionConfig = new 
ConnectionConfiguration(conf);<a name="line.227"></a>
+<span class="sourceLineNo">228</span>    this.closed = false;<a 
name="line.228"></a>
+<span class="sourceLineNo">229</span>    this.pause = 
conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.229"></a>
+<span class="sourceLineNo">230</span>        
HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.230"></a>
+<span class="sourceLineNo">231</span>    long configuredPauseForCQTBE = 
conf.getLong(HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE, pause);<a 
name="line.231"></a>
+<span class="sourceLineNo">232</span>    if (configuredPauseForCQTBE &lt; 
pause) {<a name="line.232"></a>
+<span class="sourceLineNo">233</span>      LOG.warn("The " + 
HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE + " setting: "<a name="line.233"></a>
+<span class="sourceLineNo">234</span>          + configuredPauseForCQTBE + " 
is smaller than " + HConstants.HBASE_CLIENT_PAUSE<a name="line.234"></a>
+<span class="sourceLineNo">235</span>          + ", will use " + pause + " 
instead.");<a name="line.235"></a>
+<span class="sourceLineNo">236</span>      this.pauseForCQTBE = pause;<a 
name="line.236"></a>
+<span class="sourceLineNo">237</span>    } else {<a name="line.237"></a>
+<span class="sourceLineNo">238</span>      this.pauseForCQTBE = 
configuredPauseForCQTBE;<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    }<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    this.useMetaReplicas = 
conf.getBoolean(HConstants.USE_META_REPLICAS,<a name="line.240"></a>
+<span class="sourceLineNo">241</span>      
HConstants.DEFAULT_USE_META_REPLICAS);<a name="line.241"></a>
+<span class="sourceLineNo">242</span>    
this.metaReplicaCallTimeoutScanInMicroSecond =<a name="line.242"></a>
+<span class="sourceLineNo">243</span>        
connectionConfig.getMetaReplicaCallTimeoutMicroSecondScan();<a 
name="line.243"></a>
+<span class="sourceLineNo">244</span><a name="line.244"></a>
+<span class="sourceLineNo">245</span>    // how many times to try, one more 
than max *retry* time<a name="line.245"></a>
+<span class="sourceLineNo">246</span>    this.numTries = 
retries2Attempts(connectionConfig.getRetriesNumber());<a name="line.246"></a>
+<span class="sourceLineNo">247</span>    this.rpcTimeout = conf.getInt(<a 
name="line.247"></a>
+<span class="sourceLineNo">248</span>        
HConstants.HBASE_RPC_TIMEOUT_KEY,<a name="line.248"></a>
+<span class="sourceLineNo">249</span>        
HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.249"></a>
+<span class="sourceLineNo">250</span>    if 
(conf.getBoolean(NonceGenerator.CLIENT_NONCES_ENABLED_KEY, true)) {<a 
name="line.250"></a>
+<span class="sourceLineNo">251</span>      synchronized 
(nonceGeneratorCreateLock) {<a name="line.251"></a>
+<span class="sourceLineNo">252</span>        if (nonceGenerator == null) {<a 
name="line.252"></a>
+<span class="sourceLineNo">253</span>          nonceGenerator = 
PerClientRandomNonceGenerator.get();<a name="line.253"></a>
+<span class="sourceLineNo">254</span>        }<a name="line.254"></a>
+<span class="sourceLineNo">255</span>      }<a name="line.255"></a>
+<span class="sourceLineNo">256</span>    } else {<a name="line.256"></a>
+<span class="sourceLineNo">257</span>      nonceGenerator = 
NO_NONCE_GENERATOR;<a name="line.257"></a>
+<span class="sourceLineNo">258</span>    }<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span>    this.stats = 
ServerStatisticTracker.create(conf);<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    this.interceptor = (new 
RetryingCallerInterceptorFactory(conf)).build();<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    this.rpcControllerFactory = 
RpcControllerFactory.instantiate(conf);<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    this.rpcCallerFactory = 
RpcRetryingCallerFactory.instantiate(conf, interceptor, this.stats);<a 
name="line.263"></a>
+<span class="sourceLineNo">264</span>    this.backoffPolicy = 
ClientBackoffPolicyFactory.create(conf);<a name="line.264"></a>
+<span class="sourceLineNo">265</span>    this.asyncProcess = new 
AsyncProcess(this, conf, rpcCallerFactory, rpcControllerFactory);<a 
name="line.265"></a>
+<span class="sourceLineNo">266</span>    if 
(conf.getBoolean(CLIENT_SIDE_METRICS_ENABLED_KEY, false)) {<a 
name="line.266"></a>
+<span class="sourceLineNo">267</span>      this.metrics = new 
MetricsConnection(this);<a name="line.267"></a>
+<span class="sourceLineNo">268</span>    } else {<a name="line.268"></a>
+<span class="sourceLineNo">269</span>      this.metrics = null;<a 
name="line.269"></a>
+<span class="sourceLineNo">270</span>    }<a name="line.270"></a>
+<span class="sourceLineNo">271</span>    this.metaCache = new 
MetaCache(this.metrics);<a name="line.271"></a>
+<span class="sourceLineNo">272</span><a name="line.272"></a>
+<span class="sourceLineNo">273</span>    boolean shouldListen = 
conf.getBoolean(HConstants.STATUS_PUBLISHED,<a name="line.273"></a>
+<span class="sourceLineNo">274</span>        
HConstants.STATUS_PUBLISHED_DEFAULT);<a name="line.274"></a>
+<span class="sourceLineNo">275</span>    this.hostnamesCanChange = 
conf.getBoolean(RESOLVE_HOSTNAME_ON_FAIL_KEY, true);<a name="line.275"></a>
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conf.getClass(ClusterStatusListener.STATUS_LISTENER_CLASS,<a 
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ClusterStatusListener.DEFAULT_STATUS_LISTENER_CLASS,<a name="line.278"></a>
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ClusterStatusListener.Listener.class);<a name="line.279"></a>
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+<span class="sourceLineNo">282</span>    
this.alternateBufferedMutatorClassName =<a name="line.282"></a>
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this.conf.get(BufferedMutator.CLASSNAME_KEY);<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span>    try {<a name="line.285"></a>
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RpcClientFactory.createClient(this.conf, this.clusterId, this.metrics);<a 
name="line.289"></a>
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LOG.warn(HConstants.STATUS_PUBLISHED + " is true, but " +<a name="line.294"></a>
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ClusterStatusListener.STATUS_LISTENER_CLASS + " is not set - not listening 
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ClusterStatusListener(<a name="line.297"></a>
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ClusterStatusListener.DeadServerHandler() {<a name="line.298"></a>
+<span class="sourceLineNo">299</span>                @Override<a 
name="line.299"></a>
+<span class="sourceLineNo">300</span>                public void 
newDead(ServerName sn) {<a name="line.300"></a>
+<span class="sourceLineNo">301</span>                  clearCaches(sn);<a 
name="line.301"></a>
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rpcClient.cancelConnections(sn);<a name="line.302"></a>
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name="line.304"></a>
+<span class="sourceLineNo">305</span>        }<a name="line.305"></a>
+<span class="sourceLineNo">306</span>      }<a name="line.306"></a>
+<span class="sourceLineNo">307</span>    } catch (Throwable e) {<a 
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+<span class="sourceLineNo">308</span>      // avoid leaks: registry, 
rpcClient, ...<a name="line.308"></a>
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name="line.316"></a>
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+<span class="sourceLineNo">318</span>  @VisibleForTesting<a 
name="line.318"></a>
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useMetaReplicas) {<a name="line.319"></a>
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useMetaReplicas;<a name="line.320"></a>
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+<span class="sourceLineNo">324</span>   * @param conn The connection for which 
to replace the generator.<a name="line.324"></a>
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generator used, for testing.<a name="line.325"></a>
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name="line.326"></a>
+<span class="sourceLineNo">327</span>   */<a name="line.327"></a>
+<span class="sourceLineNo">328</span>  @VisibleForTesting<a 
name="line.328"></a>
+<span class="sourceLineNo">329</span>  static NonceGenerator 
injectNonceGeneratorForTesting(<a name="line.329"></a>
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NonceGenerator cnm) {<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    ConnectionImplementation connImpl = 
(ConnectionImplementation)conn;<a name="line.331"></a>
+<span class="sourceLineNo">332</span>    NonceGenerator ng = 
connImpl.getNonceGenerator();<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    LOG.warn("Nonce generator is being 
replaced by test code for "<a name="line.333"></a>
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name="line.334"></a>
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name="line.335"></a>
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+<span class="sourceLineNo">337</span>  }<a name="line.337"></a>
+<span class="sourceLineNo">338</span><a name="line.338"></a>
+<span class="sourceLineNo">339</span>  @Override<a name="line.339"></a>
+<span class="sourceLineNo">340</span>  public Table getTable(TableName 
tableName) throws IOException {<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    return getTable(tableName, 
getBatchPool());<a name="line.341"></a>
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+<span class="sourceLineNo">343</span><a name="line.343"></a>
+<span class="sourceLineNo">344</span>  @Override<a name="line.344"></a>
+<span class="sourceLineNo">345</span>  public TableBuilder 
getTableBuilder(TableName tableName, ExecutorService pool) {<a 
name="line.345"></a>
+<span class="sourceLineNo">346</span>    return new 
TableBuilderBase(tableName, connectionConfig) {<a name="line.346"></a>
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+<span class="sourceLineNo">348</span>      @Override<a name="line.348"></a>
+<span class="sourceLineNo">349</span>      public Table build() {<a 
name="line.349"></a>
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HTable(ConnectionImplementation.this, this, rpcCallerFactory,<a 
name="line.350"></a>
+<span class="sourceLineNo">351</span>            rpcControllerFactory, 
pool);<a name="line.351"></a>
+<span class="sourceLineNo">352</span>      }<a name="line.352"></a>
+<span class="sourceLineNo">353</span>    };<a name="line.353"></a>
+<span class="sourceLineNo">354</span>  }<a name="line.354"></a>
+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span>  @Override<a name="line.356"></a>
+<span class="sourceLineNo">357</span>  public BufferedMutator 
getBufferedMutator(BufferedMutatorParams params) {<a name="line.357"></a>
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params.pool(HTable.getDefaultExecutor(getConfiguration()));<a 
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params.writeBufferSize(connectionConfig.getWriteBufferSize());<a 
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(params.getWriteBufferPeriodicFlushTimeoutMs() == BufferedMutatorParams.UNSET) 
{<a name="line.367"></a>
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params.setWriteBufferPeriodicFlushTimeoutMs(<a name="line.368"></a>
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connectionConfig.getWriteBufferPeriodicFlushTimeoutMs());<a name="line.369"></a>
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(params.getWriteBufferPeriodicFlushTimerTickMs() == 
BufferedMutatorParams.UNSET) {<a name="line.371"></a>
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params.setWriteBufferPeriodicFlushTimerTickMs(<a name="line.372"></a>
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connectionConfig.getWriteBufferPeriodicFlushTimerTickMs());<a 
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+<span class="sourceLineNo">374</span>    }<a name="line.374"></a>
+<span class="sourceLineNo">375</span>    if (params.getMaxKeyValueSize() == 
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params.maxKeyValueSize(connectionConfig.getMaxKeyValueSize());<a 
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+<span class="sourceLineNo">377</span>    }<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    // Look to see if an alternate 
BufferedMutation implementation is wanted.<a name="line.378"></a>
+<span class="sourceLineNo">379</span>    // Look in params and in config. If 
null, use default.<a name="line.379"></a>
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+<span class="sourceLineNo">382</span>      implementationClassName = 
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+<span class="sourceLineNo">384</span>    if (implementationClassName == null) 
{<a name="line.384"></a>
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(BufferedMutator)ReflectionUtils.newInstance(Class.forName(implementationClassName),<a
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rpcControllerFactory, params);<a name="line.389"></a>
+<span class="sourceLineNo">390</span>    } catch (ClassNotFoundException e) 
{<a name="line.390"></a>
+<span class="sourceLineNo">391</span>      throw new RuntimeException(e);<a 
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+<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><a name="line.394"></a>
+<span class="sourceLineNo">395</span>  @Override<a name="line.395"></a>
+<span class="sourceLineNo">396</span>  public BufferedMutator 
getBufferedMutator(TableName tableName) {<a name="line.396"></a>
+<span class="sourceLineNo">397</span>    return getBufferedMutator(new 
BufferedMutatorParams(tableName));<a name="line.397"></a>
+<span class="sourceLineNo">398</span>  }<a name="line.398"></a>
+<span class="sourceLineNo">399</span><a name="line.399"></a>
+<span class="sourceLineNo">400</span>  @Override<a name="line.400"></a>
+<span class="sourceLineNo">401</span>  public RegionLocator 
getRegionLocator(TableName tableName) throws IOException {<a 
name="line.401"></a>
+<span class="sourceLineNo">402</span>    return new HRegionLocator(tableName, 
this);<a name="line.402"></a>
+<span class="sourceLineNo">403</span>  }<a name="line.403"></a>
+<span class="sourceLineNo">404</span><a name="line.404"></a>
+<span class="sourceLineNo">405</span>  @Override<a name="line.405"></a>
+<span class="sourceLineNo">406</span>  public Admin getAdmin() throws 
IOException {<a name="line.406"></a>
+<span class="sourceLineNo">407</span>    return new HBaseAdmin(this);<a 
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+<span class="sourceLineNo">408</span>  }<a name="line.408"></a>
+<span class="sourceLineNo">409</span><a name="line.409"></a>
+<span class="sourceLineNo">410</span>  @Override<a name="line.410"></a>
+<span class="sourceLineNo">411</span>  public MetricsConnection 
getConnectionMetrics() {<a name="line.411"></a>
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{<a name="line.415"></a>
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+<span class="sourceLineNo">417</span>      synchronized (this) {<a 
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+<span class="sourceLineNo">418</span>        if (batchPool == null) {<a 
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conf.getInt("hbase.hconnection.threads.max", 256);<a name="line.419"></a>
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getThreadPool(threads, threads, "-shared", null);<a name="line.420"></a>
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+<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>    }<a name="line.424"></a>
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+<span class="sourceLineNo">426</span>  }<a name="line.426"></a>
+<span class="sourceLineNo">427</span><a name="line.427"></a>
+<span class="sourceLineNo">428</span>  private ExecutorService 
getThreadPool(int maxThreads, int coreThreads, String nameHint,<a 
name="line.428"></a>
+<span class="sourceLineNo">429</span>      BlockingQueue&lt;Runnable&gt; 
passedWorkQueue) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span>    // shared HTable thread executor not 
yet initialized<a name="line.430"></a>
+<span class="sourceLineNo">431</span>    if (maxThreads == 0) {<a 
name="line.431"></a>
+<span class="sourceLineNo">432</span>      maxThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    }<a name="line.433"></a>
+<span class="sourceLineNo">434</span>    if (coreThreads == 0) {<a 
name="line.434"></a>
+<span class="sourceLineNo">435</span>      coreThreads = 
Runtime.getRuntime().availableProcessors() * 8;<a name="line.435"></a>
+<span class="sourceLineNo">436</span>    }<a name="line.436"></a>
+<span class="sourceLineNo">437</span>    long keepAliveTime = 
conf.getLong("hbase.hconnection.threads.keepalivetime", 60);<a 
name="line.437"></a>
+<span class="sourceLineNo">438</span>    BlockingQueue&lt;Runnable&gt; 
workQueue = passedWorkQueue;<a name="line.438"></a>
+<span class="sourceLineNo">439</span>    if (workQueue == null) {<a 
name="line.439"></a>
+<span class="sourceLineNo">440</span>      workQueue =<a name="line.440"></a>
+<span class="sourceLineNo">441</span>        new 
LinkedBlockingQueue&lt;&gt;(maxThreads *<a name="line.441"></a>
+<span class="sourceLineNo">442</span>            
conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.442"></a>
+<span class="sourceLineNo">443</span>                
HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS));<a name="line.443"></a>
+<span class="sourceLineNo">444</span>      coreThreads = maxThreads;<a 
name="line.444"></a>
+<span class="sourceLineNo">445</span>    }<a name="line.445"></a>
+<span class="sourceLineNo">446</span>    ThreadPoolExecutor tpe = new 
ThreadPoolExecutor(<a name="line.446"></a>
+<span class="sourceLineNo">447</span>        coreThreads,<a 
name="line.447"></a>
+<span class="sourceLineNo">448</span>        maxThreads,<a name="line.448"></a>
+<span class="sourceLineNo">449</span>        keepAliveTime,<a 
name="line.449"></a>
+<span class="sourceLineNo">450</span>        TimeUnit.SECONDS,<a 
name="line.450"></a>
+<span class="sourceLineNo">451</span>        workQueue,<a name="line.451"></a>
+<span class="sourceLineNo">452</span>        
Threads.newDaemonThreadFactory(toString() + nameHint));<a name="line.452"></a>
+<span class="sourceLineNo">453</span>    tpe.allowCoreThreadTimeOut(true);<a 
name="line.453"></a>
+<span class="sourceLineNo">454</span>    return tpe;<a name="line.454"></a>
+<span class="sourceLineNo">455</span>  }<a name="line.455"></a>
+<span class="sourceLineNo">456</span><a name="line.456"></a>
+<span class="sourceLineNo">457</span>  private ExecutorService 
getMetaLookupPool() {<a name="line.457"></a>
+<span class="sourceLineNo">458</span>    if (this.metaLookupPool == null) {<a 
name="line.458"></a>
+<span class="sourceLineNo">459</span>      synchronized (this) {<a 
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+<span class="sourceLineNo">460</span>        if (this.metaLookupPool == null) 
{<a name="line.460"></a>
+<span class="sourceLineNo">461</span>          //Some of the threads would be 
used for meta replicas<a name="line.461"></a>
+<span class="sourceLineNo">462</span>          //To start with, 
threads.max.core threads can hit the meta (including replicas).<a 
name="line.462"></a>
+<span class="sourceLineNo">463</span>          //After that, requests will get 
queued up in the passed queue, and only after<a name="line.463"></a>
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thread will be started<a name="line.464"></a>
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conf.getInt("hbase.hconnection.meta.lookup.threads.max", 128);<a 
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getThreadPool(<a name="line.466"></a>
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getCurrentMetaLookupPool() {<a name="line.475"></a>
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getCurrentBatchPool() {<a name="line.479"></a>
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shutdownBatchPool(this.batchPool);<a name="line.485"></a>
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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>
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shutdownBatchPool(ExecutorSer

<TRUNCATED>

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