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 <dd><code>nonceGroup</code> - used to detect duplicate</dd>
 <dd><code>nonce</code> - used to detect duplicate</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>procedure Id</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Registers a new protocol buffer <code>Service</code> subclass as a master coprocessor endpoint.
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 <dl>
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 <div class="block">Checks master state before initiating action over region topology.</div>
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 <div class="block">Abort a procedure.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dd><code>mayInterruptIfRunning</code> - if the proc completed at least one step, should it be aborted?</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if aborted, false if procedure already completed or does not exist</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Get procedures</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
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 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Get locks</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>lock list</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Get list of table descriptors by namespace</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - namespace name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
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 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Get list of table names by namespace</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - namespace name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
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 <dt><span class="throwsLabel">Throws:</span></dt>
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 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>table</code> - the table for which last successful major compaction time is queried</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the timestamp of the last successful major compaction for the passed table,
  or 0 if no HFile resulting from a major compaction exists</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <dl>
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 <dd><code>regionName</code> - </dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the timestamp of the last successful major compaction for the passed region
  or 0 if no HFile resulting from a major compaction exists</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Add a new replication peer for replicating data to slave cluster</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dd><code>peerConfig</code> - configuration for the replication slave cluster</dd>
 <dd><code>enabled</code> - peer state, true if ENABLED and false if DISABLED</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Removes a peer and stops the replication</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
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 <div class="block">Restart the replication stream to the specified peer</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>peerId</code> - a short name that identifies the peer</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Stop the replication stream to the specified peer</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Returns the configured ReplicationPeerConfig for the specified peer</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>peerId</code> - a short name that identifies the peer</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>ReplicationPeerConfig for the peer</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Returns the <a href="../../../../../org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALManager.html" title="class in org.apache.hadoop.hbase.master.replication"><code>SyncReplicationReplayWALManager</code></a>.</div>
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                                  <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationPeerConfig.html" title="class in org.apache.hadoop.hbase.replication">ReplicationPeerConfig</a>&nbsp;peerConfig)
                           throws <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a>,
                                  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Update the peerConfig for the specified peer</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>peerId</code> - a short name that identifies the peer</dd>
 <dd><code>peerConfig</code> - new config for the peer</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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                                                throws <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a>,
                                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Return a list of replication peers.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>regex</code> - The regular expression to match peer id</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a list of replication peers description</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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                                                 <a href="../../../../../org/apache/hadoop/hbase/replication/SyncReplicationState.html" title="enum in org.apache.hadoop.hbase.replication">SyncReplicationState</a>&nbsp;clusterState)
                                          throws <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a>,
                                                 <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Set current cluster state for a synchronous replication peer.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>peerId</code> - a short name that identifies the peer</dd>
 <dd><code>clusterState</code> - state of current cluster</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationException.html" title="class in org.apache.hadoop.hbase.replication">ReplicationException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><a href="../../../../../org/apache/hadoop/hbase/master/locking/LockManager.html" title="class in org.apache.hadoop.hbase.master.locking"><code>LockManager</code></a> to lock namespaces/tables/regions.</dd>
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 <pre>void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/master/MasterServices.html#line.513">checkIfShouldMoveSystemRegionAsync</a>()</pre>
 <div class="block">Called when a new RegionServer is added to the cluster.
  Checks if new server has a newer version than any existing server and will move system tables
  there if so.</div>
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 <dd>True if cluster is up; false if cluster is not up (we are shutting down).</dd>
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 <dd>the <a href="../../../../../org/apache/hadoop/hbase/security/access/AccessChecker.html" title="class in org.apache.hadoop.hbase.security.access"><code>AccessChecker</code></a></dd>
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 <dd>the <a href="../../../../../org/apache/hadoop/hbase/security/access/ZKPermissionWatcher.html" title="class in org.apache.hadoop.hbase.security.access"><code>ZKPermissionWatcher</code></a></dd>
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 <div class="block">Execute region plans with throttling</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>plans</code> - to execute</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>succeeded plans</dd>
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 <pre>void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/master/MasterServices.html#line.549">runReplicationBarrierCleaner</a>()</pre>
 <div class="block">Run the ReplicationBarrierChore.</div>
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 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the <a href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html" title="interface in org.apache.hadoop.hbase.rsgroup"><code>RSGroupInfoManager</code></a></dd>
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 <pre>boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/master/MasterServices.html#line.562">isBalancerOn</a>()</pre>
 <div class="block">Queries the state of the <a href="../../../../../org/apache/hadoop/hbase/zookeeper/LoadBalancerTracker.html" title="class in org.apache.hadoop.hbase.zookeeper"><code>LoadBalancerTracker</code></a>. If the balancer is not initialized,
  false is returned.</div>
 <dl>
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 <dd>The state of the load balancer, or false if the load balancer isn't defined.</dd>
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                          boolean&nbsp;isHighPriority)
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 <div class="block">Perform normalization of cluster.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>ntfp</code> - Selection criteria for identifying which tables to normalize.</dd>
 <dd><code>isHighPriority</code> - <code>true</code> when these requested tables should skip to the front of
    the queue.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> when the request was submitted, <code>false</code> otherwise.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <div class="block">Get the meta location syncer.
  <p/>
  We need to get this in MTP to tell the syncer the new meta replica count.</div>
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