[34/51] [partial] hbase-site git commit: Published site at .

[git-site-role]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/35decbe4/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html
index b4165bf..dec7409 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html
@@ -1560,1985 +1560,1986 @@
 <span class="sourceLineNo">1552</span>   * @return Client info for use as 
prefix on an audit log string; who did an action<a name="line.1552"></a>
 <span class="sourceLineNo">1553</span>   */<a name="line.1553"></a>
 <span class="sourceLineNo">1554</span>  public String getClientIdAuditPrefix() 
{<a name="line.1554"></a>
-<span class="sourceLineNo">1555</span>    return "Client=" + 
RpcServer.getRequestUserName() + "/" + RpcServer.getRemoteAddress();<a 
name="line.1555"></a>
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-<span class="sourceLineNo">1557</span><a name="line.1557"></a>
-<span class="sourceLineNo">1558</span>  /**<a name="line.1558"></a>
-<span class="sourceLineNo">1559</span>   * Switch for the background 
CatalogJanitor thread.<a name="line.1559"></a>
-<span class="sourceLineNo">1560</span>   * Used for testing.  The thread will 
continue to run.  It will just be a noop<a name="line.1560"></a>
-<span class="sourceLineNo">1561</span>   * if disabled.<a name="line.1561"></a>
-<span class="sourceLineNo">1562</span>   * @param b If false, the catalog 
janitor won't do anything.<a name="line.1562"></a>
-<span class="sourceLineNo">1563</span>   */<a name="line.1563"></a>
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setCatalogJanitorEnabled(final boolean b) {<a name="line.1564"></a>
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this.catalogJanitorChore.setEnabled(b);<a name="line.1565"></a>
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-<span class="sourceLineNo">1567</span><a name="line.1567"></a>
-<span class="sourceLineNo">1568</span>  @Override<a name="line.1568"></a>
-<span class="sourceLineNo">1569</span>  public long mergeRegions(<a 
name="line.1569"></a>
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regionsToMerge,<a name="line.1570"></a>
-<span class="sourceLineNo">1571</span>      final boolean forcible,<a 
name="line.1571"></a>
-<span class="sourceLineNo">1572</span>      final long nonceGroup,<a 
name="line.1572"></a>
-<span class="sourceLineNo">1573</span>      final long nonce) throws 
IOException {<a name="line.1573"></a>
-<span class="sourceLineNo">1574</span>    checkInitialized();<a 
name="line.1574"></a>
-<span class="sourceLineNo">1575</span><a name="line.1575"></a>
-<span class="sourceLineNo">1576</span>    assert(regionsToMerge.length == 
2);<a name="line.1576"></a>
-<span class="sourceLineNo">1577</span><a name="line.1577"></a>
-<span class="sourceLineNo">1578</span>    TableName tableName = 
regionsToMerge[0].getTable();<a name="line.1578"></a>
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regionsToMerge[1].getTable() == null) {<a name="line.1579"></a>
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("Can't merge regions without table associated");<a name="line.1580"></a>
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-<span class="sourceLineNo">1582</span><a name="line.1582"></a>
-<span class="sourceLineNo">1583</span>    if 
(!tableName.equals(regionsToMerge[1].getTable())) {<a name="line.1583"></a>
-<span class="sourceLineNo">1584</span>      throw new IOException (<a 
name="line.1584"></a>
-<span class="sourceLineNo">1585</span>        "Cannot merge regions from two 
different tables " + regionsToMerge[0].getTable()<a name="line.1585"></a>
-<span class="sourceLineNo">1586</span>        + " and " + 
regionsToMerge[1].getTable());<a name="line.1586"></a>
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-<span class="sourceLineNo">1588</span><a name="line.1588"></a>
-<span class="sourceLineNo">1589</span>    if 
(RegionInfo.COMPARATOR.compare(regionsToMerge[0], regionsToMerge[1]) == 0) {<a 
name="line.1589"></a>
-<span class="sourceLineNo">1590</span>      throw new MergeRegionException(<a 
name="line.1590"></a>
-<span class="sourceLineNo">1591</span>        "Cannot merge a region to itself 
" + regionsToMerge[0] + ", " + regionsToMerge[1]);<a name="line.1591"></a>
-<span class="sourceLineNo">1592</span>    }<a name="line.1592"></a>
-<span class="sourceLineNo">1593</span><a name="line.1593"></a>
-<span class="sourceLineNo">1594</span>    return 
MasterProcedureUtil.submitProcedure(<a name="line.1594"></a>
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MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a 
name="line.1595"></a>
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IOException {<a name="line.1597"></a>
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getMaster().getMasterCoprocessorHost().preMergeRegions(regionsToMerge);<a 
name="line.1598"></a>
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-<span class="sourceLineNo">1600</span>        
LOG.info(getClientIdAuditPrefix() + " Merge regions " +<a name="line.1600"></a>
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regionsToMerge[0].getEncodedName() + " and " + 
regionsToMerge[1].getEncodedName());<a name="line.1601"></a>
-<span class="sourceLineNo">1602</span><a name="line.1602"></a>
-<span class="sourceLineNo">1603</span>        submitProcedure(new 
MergeTableRegionsProcedure(procedureExecutor.getEnvironment(),<a 
name="line.1603"></a>
-<span class="sourceLineNo">1604</span>          regionsToMerge, forcible));<a 
name="line.1604"></a>
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getMaster().getMasterCoprocessorHost().postMergeRegions(regionsToMerge);<a 
name="line.1606"></a>
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-<span class="sourceLineNo">1609</span>      @Override<a name="line.1609"></a>
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{<a name="line.1610"></a>
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name="line.1611"></a>
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-<span class="sourceLineNo">1615</span><a name="line.1615"></a>
-<span class="sourceLineNo">1616</span>  @Override<a name="line.1616"></a>
-<span class="sourceLineNo">1617</span>  public long splitRegion(final 
RegionInfo regionInfo, final byte[] splitRow,<a name="line.1617"></a>
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nonce)<a name="line.1618"></a>
-<span class="sourceLineNo">1619</span>  throws IOException {<a 
name="line.1619"></a>
-<span class="sourceLineNo">1620</span>    checkInitialized();<a 
name="line.1620"></a>
-<span class="sourceLineNo">1621</span>    return 
MasterProcedureUtil.submitProcedure(<a name="line.1621"></a>
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MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a 
name="line.1622"></a>
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-<span class="sourceLineNo">1624</span>      protected void run() throws 
IOException {<a name="line.1624"></a>
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getMaster().getMasterCoprocessorHost().preSplitRegion(regionInfo.getTable(), 
splitRow);<a name="line.1625"></a>
-<span class="sourceLineNo">1626</span>        
LOG.info(getClientIdAuditPrefix() + " split " + 
regionInfo.getRegionNameAsString());<a name="line.1626"></a>
-<span class="sourceLineNo">1627</span><a name="line.1627"></a>
-<span class="sourceLineNo">1628</span>        // Execute the operation 
asynchronously<a name="line.1628"></a>
-<span class="sourceLineNo">1629</span>        
submitProcedure(getAssignmentManager().createSplitProcedure(regionInfo, 
splitRow));<a name="line.1629"></a>
-<span class="sourceLineNo">1630</span>      }<a name="line.1630"></a>
-<span class="sourceLineNo">1631</span><a name="line.1631"></a>
-<span class="sourceLineNo">1632</span>      @Override<a name="line.1632"></a>
-<span class="sourceLineNo">1633</span>      protected String getDescription() 
{<a name="line.1633"></a>
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name="line.1634"></a>
-<span class="sourceLineNo">1635</span>      }<a name="line.1635"></a>
-<span class="sourceLineNo">1636</span>    });<a name="line.1636"></a>
-<span class="sourceLineNo">1637</span>  }<a name="line.1637"></a>
-<span class="sourceLineNo">1638</span><a name="line.1638"></a>
-<span class="sourceLineNo">1639</span>  // Public so can be accessed by tests. 
Blocks until move is done.<a name="line.1639"></a>
-<span class="sourceLineNo">1640</span>  // Replace with an async 
implementation from which you can get<a name="line.1640"></a>
-<span class="sourceLineNo">1641</span>  // a success/failure result.<a 
name="line.1641"></a>
-<span class="sourceLineNo">1642</span>  @VisibleForTesting<a 
name="line.1642"></a>
-<span class="sourceLineNo">1643</span>  public void move(final byte[] 
encodedRegionName, byte[] destServerName) throws HBaseIOException {<a 
name="line.1643"></a>
-<span class="sourceLineNo">1644</span>    RegionState regionState = 
assignmentManager.getRegionStates().<a name="line.1644"></a>
-<span class="sourceLineNo">1645</span>      
getRegionState(Bytes.toString(encodedRegionName));<a name="line.1645"></a>
-<span class="sourceLineNo">1646</span><a name="line.1646"></a>
-<span class="sourceLineNo">1647</span>    RegionInfo hri;<a 
name="line.1647"></a>
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name="line.1648"></a>
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name="line.1649"></a>
-<span class="sourceLineNo">1650</span>    } else {<a name="line.1650"></a>
-<span class="sourceLineNo">1651</span>      throw new 
UnknownRegionException(Bytes.toStringBinary(encodedRegionName));<a 
name="line.1651"></a>
-<span class="sourceLineNo">1652</span>    }<a name="line.1652"></a>
-<span class="sourceLineNo">1653</span><a name="line.1653"></a>
-<span class="sourceLineNo">1654</span>    ServerName dest;<a 
name="line.1654"></a>
-<span class="sourceLineNo">1655</span>    List&lt;ServerName&gt; exclude = 
hri.getTable().isSystemTable() ? 
assignmentManager.getExcludedServersForSystemTable()<a name="line.1655"></a>
-<span class="sourceLineNo">1656</span>        : new ArrayList&lt;&gt;(1);<a 
name="line.1656"></a>
-<span class="sourceLineNo">1657</span>    if (destServerName != null 
&amp;&amp; 
exclude.contains(ServerName.valueOf(Bytes.toString(destServerName)))) {<a 
name="line.1657"></a>
-<span class="sourceLineNo">1658</span>      LOG.info(<a name="line.1658"></a>
-<span class="sourceLineNo">1659</span>          
Bytes.toString(encodedRegionName) + " can not move to " + 
Bytes.toString(destServerName)<a name="line.1659"></a>
-<span class="sourceLineNo">1660</span>              + " because the server is 
in exclude list");<a name="line.1660"></a>
-<span class="sourceLineNo">1661</span>      destServerName = null;<a 
name="line.1661"></a>
-<span class="sourceLineNo">1662</span>    }<a name="line.1662"></a>
-<span class="sourceLineNo">1663</span>    if (destServerName == null || 
destServerName.length == 0) {<a name="line.1663"></a>
-<span class="sourceLineNo">1664</span>      LOG.info("Passed destination 
servername is null/empty so " +<a name="line.1664"></a>
-<span class="sourceLineNo">1665</span>        "choosing a server at 
random");<a name="line.1665"></a>
-<span class="sourceLineNo">1666</span>      
exclude.add(regionState.getServerName());<a name="line.1666"></a>
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destServers = this.serverManager.createDestinationServersList(exclude);<a 
name="line.1667"></a>
-<span class="sourceLineNo">1668</span>      dest = 
balancer.randomAssignment(hri, destServers);<a name="line.1668"></a>
-<span class="sourceLineNo">1669</span>      if (dest == null) {<a 
name="line.1669"></a>
-<span class="sourceLineNo">1670</span>        LOG.debug("Unable to determine a 
plan to assign " + hri);<a name="line.1670"></a>
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-<span class="sourceLineNo">1672</span>      }<a name="line.1672"></a>
-<span class="sourceLineNo">1673</span>    } else {<a name="line.1673"></a>
-<span class="sourceLineNo">1674</span>      ServerName candidate = 
ServerName.valueOf(Bytes.toString(destServerName));<a name="line.1674"></a>
-<span class="sourceLineNo">1675</span>      dest = 
balancer.randomAssignment(hri, Lists.newArrayList(candidate));<a 
name="line.1675"></a>
-<span class="sourceLineNo">1676</span>      if (dest == null) {<a 
name="line.1676"></a>
-<span class="sourceLineNo">1677</span>        LOG.debug("Unable to determine a 
plan to assign " + hri);<a name="line.1677"></a>
-<span class="sourceLineNo">1678</span>        return;<a name="line.1678"></a>
-<span class="sourceLineNo">1679</span>      }<a name="line.1679"></a>
-<span class="sourceLineNo">1680</span>      // TODO: What is this? I don't get 
it.<a name="line.1680"></a>
-<span class="sourceLineNo">1681</span>      if (dest.equals(serverName) 
&amp;&amp; balancer instanceof BaseLoadBalancer<a name="line.1681"></a>
-<span class="sourceLineNo">1682</span>          &amp;&amp; 
!((BaseLoadBalancer)balancer).shouldBeOnMaster(hri)) {<a name="line.1682"></a>
-<span class="sourceLineNo">1683</span>        // To avoid unnecessary region 
moving later by balancer. Don't put user<a name="line.1683"></a>
-<span class="sourceLineNo">1684</span>        // regions on master.<a 
name="line.1684"></a>
-<span class="sourceLineNo">1685</span>        LOG.debug("Skipping move of 
region " + hri.getRegionNameAsString()<a name="line.1685"></a>
-<span class="sourceLineNo">1686</span>          + " to avoid unnecessary 
region moving later by load balancer,"<a name="line.1686"></a>
-<span class="sourceLineNo">1687</span>          + " because it should not be 
on master");<a name="line.1687"></a>
-<span class="sourceLineNo">1688</span>        return;<a name="line.1688"></a>
-<span class="sourceLineNo">1689</span>      }<a name="line.1689"></a>
-<span class="sourceLineNo">1690</span>    }<a name="line.1690"></a>
-<span class="sourceLineNo">1691</span><a name="line.1691"></a>
-<span class="sourceLineNo">1692</span>    if 
(dest.equals(regionState.getServerName())) {<a name="line.1692"></a>
-<span class="sourceLineNo">1693</span>      LOG.debug("Skipping move of region 
" + hri.getRegionNameAsString()<a name="line.1693"></a>
-<span class="sourceLineNo">1694</span>        + " because region already 
assigned to the same server " + dest + ".");<a name="line.1694"></a>
-<span class="sourceLineNo">1695</span>      return;<a name="line.1695"></a>
-<span class="sourceLineNo">1696</span>    }<a name="line.1696"></a>
-<span class="sourceLineNo">1697</span><a name="line.1697"></a>
-<span class="sourceLineNo">1698</span>    // Now we can do the move<a 
name="line.1698"></a>
-<span class="sourceLineNo">1699</span>    RegionPlan rp = new RegionPlan(hri, 
regionState.getServerName(), dest);<a name="line.1699"></a>
-<span class="sourceLineNo">1700</span>    assert rp.getDestination() != null: 
rp.toString() + " " + dest;<a name="line.1700"></a>
-<span class="sourceLineNo">1701</span>    assert rp.getSource() != null: 
rp.toString();<a name="line.1701"></a>
-<span class="sourceLineNo">1702</span><a name="line.1702"></a>
-<span class="sourceLineNo">1703</span>    try {<a name="line.1703"></a>
-<span class="sourceLineNo">1704</span>      checkInitialized();<a 
name="line.1704"></a>
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name="line.1705"></a>
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rp.getSource(), rp.getDestination())) {<a name="line.1706"></a>
-<span class="sourceLineNo">1707</span>          return;<a name="line.1707"></a>
-<span class="sourceLineNo">1708</span>        }<a name="line.1708"></a>
-<span class="sourceLineNo">1709</span>      }<a name="line.1709"></a>
-<span class="sourceLineNo">1710</span>      // Warmup the region on the 
destination before initiating the move. this call<a name="line.1710"></a>
-<span class="sourceLineNo">1711</span>      // is synchronous and takes some 
time. doing it before the source region gets<a name="line.1711"></a>
-<span class="sourceLineNo">1712</span>      // closed<a name="line.1712"></a>
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serverManager.sendRegionWarmup(rp.getDestination(), hri);<a 
name="line.1713"></a>
-<span class="sourceLineNo">1714</span><a name="line.1714"></a>
-<span class="sourceLineNo">1715</span>      LOG.info(getClientIdAuditPrefix() 
+ " move " + rp + ", running balancer");<a name="line.1715"></a>
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this.assignmentManager.moveAsync(rp);<a name="line.1716"></a>
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we throw exception on error?<a name="line.1718"></a>
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rather than this stunted Future.<a name="line.1719"></a>
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name="line.1720"></a>
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ExecutionException e) {<a name="line.1721"></a>
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name="line.1722"></a>
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name="line.1724"></a>
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rp.getSource(), rp.getDestination());<a name="line.1725"></a>
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HBaseIOException) {<a name="line.1728"></a>
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name="line.1736"></a>
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tableDescriptor,<a name="line.1737"></a>
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name="line.1738"></a>
-<span class="sourceLineNo">1739</span>      final long nonceGroup,<a 
name="line.1739"></a>
-<span class="sourceLineNo">1740</span>      final long nonce) throws 
IOException {<a name="line.1740"></a>
-<span class="sourceLineNo">1741</span>    checkInitialized();<a 
name="line.1741"></a>
-<span class="sourceLineNo">1742</span><a name="line.1742"></a>
-<span class="sourceLineNo">1743</span>    String namespace = 
tableDescriptor.getTableName().getNamespaceAsString();<a name="line.1743"></a>
-<span class="sourceLineNo">1744</span>    
this.clusterSchemaService.getNamespace(namespace);<a name="line.1744"></a>
-<span class="sourceLineNo">1745</span><a name="line.1745"></a>
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ModifyRegionUtils.createRegionInfos(tableDescriptor, splitKeys);<a 
name="line.1746"></a>
-<span class="sourceLineNo">1747</span>    
sanityCheckTableDescriptor(tableDescriptor);<a name="line.1747"></a>
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MasterProcedureUtil.submitProcedure(<a name="line.1749"></a>
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MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a 
name="line.1750"></a>
-<span class="sourceLineNo">1751</span>      @Override<a name="line.1751"></a>
-<span class="sourceLineNo">1752</span>      protected void run() throws 
IOException {<a name="line.1752"></a>
-<span class="sourceLineNo">1753</span>        
getMaster().getMasterCoprocessorHost().preCreateTable(tableDescriptor, 
newRegions);<a name="line.1753"></a>
-<span class="sourceLineNo">1754</span><a name="line.1754"></a>
-<span class="sourceLineNo">1755</span>        
LOG.info(getClientIdAuditPrefix() + " create " + tableDescriptor);<a 
name="line.1755"></a>
-<span class="sourceLineNo">1756</span><a name="line.1756"></a>
-<span class="sourceLineNo">1757</span>        // TODO: We can handle/merge 
duplicate requests, and differentiate the case of<a name="line.1757"></a>
-<span class="sourceLineNo">1758</span>        //       TableExistsException by 
saying if the schema is the same or not.<a name="line.1758"></a>
-<span class="sourceLineNo">1759</span>        ProcedurePrepareLatch latch = 
ProcedurePrepareLatch.createLatch();<a name="line.1759"></a>
-<span class="sourceLineNo">1760</span>        submitProcedure(new 
CreateTableProcedure(<a name="line.1760"></a>
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procedureExecutor.getEnvironment(), tableDescriptor, newRegions, latch));<a 
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getMaster().getMasterCoprocessorHost().postCreateTable(tableDescriptor, 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, ex.getMessage(), null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, e.getMessage(), e);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, e.getMessage(), e);<a 
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warnOrThrowExceptionForFailure(false, CONF_KEY, e.getMessage(), e);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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warnOrThrowExceptionForFailure(logWarn, CONF_KEY, message, null);<a 
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conf.get(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY,<a 
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ExploringCompactionPolicy.class.getName());<a name="line.1938"></a>
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hcd.getConfigurationValue(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY);<a
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getMaster().getMasterCoprocessorHost().preDeleteTable(tableName);<a 
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LOG.info(getClientIdAuditPrefix() + " delete " + tableName);<a 
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getMaster().getMasterCoprocessorHost().postDeleteTable(tableName);<a 
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LOG.info(getClientIdAuditPrefix() + " truncate " + tableName);<a 
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getMaster().getMasterCoprocessorHost().postTruncateTable(tableName);<a 
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LOG.info(getClientIdAuditPrefix() + " modify " + tableName);<a 
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getMaster().getMasterCoprocessorHost().postModifyTable(tableName, 
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<TRUNCATED>