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From git-site-r...@apache.org
Subject [15/30] hbase-site git commit: Published site at .
Date Mon, 15 Jan 2018 15:31:37 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e80e3339/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegionServer.MovedRegionsCleaner.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegionServer.MovedRegionsCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegionServer.MovedRegionsCleaner.html
index 2bbae5e..9ddbcd4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegionServer.MovedRegionsCleaner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegionServer.MovedRegionsCleaner.html
@@ -33,32 +33,32 @@
 <span class="sourceLineNo">025</span>import java.net.BindException;<a name="line.25"></a>
 <span class="sourceLineNo">026</span>import java.net.InetAddress;<a name="line.26"></a>
 <span class="sourceLineNo">027</span>import java.net.InetSocketAddress;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Collection;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.Collections;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.Comparator;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.HashSet;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.Iterator;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.Map;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.Map.Entry;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.Objects;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.Set;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import java.util.SortedMap;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import java.util.TreeMap;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import java.util.TreeSet;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import java.util.concurrent.ConcurrentMap;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import java.util.concurrent.CountDownLatch;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import java.util.concurrent.TimeUnit;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import java.util.concurrent.locks.ReentrantReadWriteLock;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import java.util.function.Function;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import javax.management.MalformedObjectNameException;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import javax.management.ObjectName;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import javax.servlet.http.HttpServlet;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.commons.lang3.RandomUtils;<a name="line.53"></a>
+<span class="sourceLineNo">028</span>import java.time.Duration;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.ArrayList;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Collection;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Collections;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Comparator;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.HashSet;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.Iterator;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.List;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.Map;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.Map.Entry;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.Objects;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.Set;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import java.util.SortedMap;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import java.util.TreeMap;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import java.util.TreeSet;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import java.util.concurrent.ConcurrentMap;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import java.util.concurrent.locks.ReentrantReadWriteLock;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import java.util.function.Function;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import javax.management.MalformedObjectNameException;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import javax.management.ObjectName;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import javax.servlet.http.HttpServlet;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.commons.lang3.RandomUtils;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.commons.lang3.StringUtils;<a name="line.53"></a>
 <span class="sourceLineNo">054</span>import org.apache.commons.lang3.SystemUtils;<a name="line.54"></a>
 <span class="sourceLineNo">055</span>import org.apache.hadoop.conf.Configuration;<a name="line.55"></a>
 <span class="sourceLineNo">056</span>import org.apache.hadoop.fs.FileSystem;<a name="line.56"></a>
@@ -177,16 +177,16 @@
 <span class="sourceLineNo">169</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.169"></a>
 <span class="sourceLineNo">170</span>import org.apache.hadoop.metrics2.util.MBeans;<a name="line.170"></a>
 <span class="sourceLineNo">171</span>import org.apache.hadoop.util.ReflectionUtils;<a name="line.171"></a>
-<span class="sourceLineNo">172</span>import org.apache.hadoop.util.StringUtils;<a name="line.172"></a>
-<span class="sourceLineNo">173</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.173"></a>
-<span class="sourceLineNo">174</span>import org.apache.zookeeper.KeeperException;<a name="line.174"></a>
-<span class="sourceLineNo">175</span>import org.slf4j.Logger;<a name="line.175"></a>
-<span class="sourceLineNo">176</span>import org.slf4j.LoggerFactory;<a name="line.176"></a>
-<span class="sourceLineNo">177</span>import sun.misc.Signal;<a name="line.177"></a>
-<span class="sourceLineNo">178</span>import sun.misc.SignalHandler;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.180"></a>
-<span class="sourceLineNo">181</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.181"></a>
+<span class="sourceLineNo">172</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.172"></a>
+<span class="sourceLineNo">173</span>import org.apache.zookeeper.KeeperException;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>import org.slf4j.Logger;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>import org.slf4j.LoggerFactory;<a name="line.175"></a>
+<span class="sourceLineNo">176</span>import sun.misc.Signal;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>import sun.misc.SignalHandler;<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.180"></a>
+<span class="sourceLineNo">181</span>import org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a name="line.181"></a>
 <span class="sourceLineNo">182</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.182"></a>
 <span class="sourceLineNo">183</span>import org.apache.hbase.thirdparty.com.google.protobuf.BlockingRpcChannel;<a name="line.183"></a>
 <span class="sourceLineNo">184</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.184"></a>
@@ -393,13 +393,13 @@
 <span class="sourceLineNo">385</span>  final AtomicBoolean online = new AtomicBoolean(false);<a name="line.385"></a>
 <span class="sourceLineNo">386</span><a name="line.386"></a>
 <span class="sourceLineNo">387</span>  // zookeeper connection and watcher<a name="line.387"></a>
-<span class="sourceLineNo">388</span>  protected ZKWatcher zooKeeper;<a name="line.388"></a>
+<span class="sourceLineNo">388</span>  protected final ZKWatcher zooKeeper;<a name="line.388"></a>
 <span class="sourceLineNo">389</span><a name="line.389"></a>
 <span class="sourceLineNo">390</span>  // master address tracker<a name="line.390"></a>
-<span class="sourceLineNo">391</span>  private MasterAddressTracker masterAddressTracker;<a name="line.391"></a>
+<span class="sourceLineNo">391</span>  private final MasterAddressTracker masterAddressTracker;<a name="line.391"></a>
 <span class="sourceLineNo">392</span><a name="line.392"></a>
 <span class="sourceLineNo">393</span>  // Cluster Status Tracker<a name="line.393"></a>
-<span class="sourceLineNo">394</span>  protected ClusterStatusTracker clusterStatusTracker;<a name="line.394"></a>
+<span class="sourceLineNo">394</span>  protected final ClusterStatusTracker clusterStatusTracker;<a name="line.394"></a>
 <span class="sourceLineNo">395</span><a name="line.395"></a>
 <span class="sourceLineNo">396</span>  // Log Splitting Worker<a name="line.396"></a>
 <span class="sourceLineNo">397</span>  private SplitLogWorker splitLogWorker;<a name="line.397"></a>
@@ -532,3227 +532,3219 @@
 <span class="sourceLineNo">524</span>  private final boolean masterless;<a name="line.524"></a>
 <span class="sourceLineNo">525</span>  static final String MASTERLESS_CONFIG_NAME = "hbase.masterless";<a name="line.525"></a>
 <span class="sourceLineNo">526</span><a name="line.526"></a>
-<span class="sourceLineNo">527</span><a name="line.527"></a>
-<span class="sourceLineNo">528</span>  /**<a name="line.528"></a>
-<span class="sourceLineNo">529</span>   * Starts a HRegionServer at the default location<a name="line.529"></a>
-<span class="sourceLineNo">530</span>   */<a name="line.530"></a>
-<span class="sourceLineNo">531</span>  // Don't start any services or managers in here in the Constructor.<a name="line.531"></a>
-<span class="sourceLineNo">532</span>  // Defer till after we register with the Master as much as possible. See #startServices.<a name="line.532"></a>
-<span class="sourceLineNo">533</span>  public HRegionServer(Configuration conf) throws IOException {<a name="line.533"></a>
-<span class="sourceLineNo">534</span>    super("RegionServer");  // thread name<a name="line.534"></a>
-<span class="sourceLineNo">535</span>    TraceUtil.initTracer(conf);<a name="line.535"></a>
-<span class="sourceLineNo">536</span>    try {<a name="line.536"></a>
-<span class="sourceLineNo">537</span>      this.startcode = System.currentTimeMillis();<a name="line.537"></a>
-<span class="sourceLineNo">538</span>      this.conf = conf;<a name="line.538"></a>
-<span class="sourceLineNo">539</span>      this.fsOk = true;<a name="line.539"></a>
-<span class="sourceLineNo">540</span>      this.masterless = conf.getBoolean(MASTERLESS_CONFIG_NAME, false);<a name="line.540"></a>
-<span class="sourceLineNo">541</span>      this.eventLoopGroupConfig = setupNetty(this.conf);<a name="line.541"></a>
-<span class="sourceLineNo">542</span>      MemorySizeUtil.checkForClusterFreeHeapMemoryLimit(this.conf);<a name="line.542"></a>
-<span class="sourceLineNo">543</span>      HFile.checkHFileVersion(this.conf);<a name="line.543"></a>
-<span class="sourceLineNo">544</span>      checkCodecs(this.conf);<a name="line.544"></a>
-<span class="sourceLineNo">545</span>      this.userProvider = UserProvider.instantiate(conf);<a name="line.545"></a>
-<span class="sourceLineNo">546</span>      FSUtils.setupShortCircuitRead(this.conf);<a name="line.546"></a>
-<span class="sourceLineNo">547</span>      Replication.decorateRegionServerConfiguration(this.conf);<a name="line.547"></a>
-<span class="sourceLineNo">548</span><a name="line.548"></a>
-<span class="sourceLineNo">549</span>      // Disable usage of meta replicas in the regionserver<a name="line.549"></a>
-<span class="sourceLineNo">550</span>      this.conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.550"></a>
-<span class="sourceLineNo">551</span>      // Config'ed params<a name="line.551"></a>
-<span class="sourceLineNo">552</span>      this.numRetries = this.conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.552"></a>
-<span class="sourceLineNo">553</span>          HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.553"></a>
-<span class="sourceLineNo">554</span>      this.threadWakeFrequency = conf.getInt(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);<a name="line.554"></a>
-<span class="sourceLineNo">555</span>      this.msgInterval = conf.getInt("hbase.regionserver.msginterval", 3 * 1000);<a name="line.555"></a>
-<span class="sourceLineNo">556</span><a name="line.556"></a>
-<span class="sourceLineNo">557</span>      this.sleeper = new Sleeper(this.msgInterval, this);<a name="line.557"></a>
-<span class="sourceLineNo">558</span><a name="line.558"></a>
-<span class="sourceLineNo">559</span>      boolean isNoncesEnabled = conf.getBoolean(HConstants.HBASE_RS_NONCES_ENABLED, true);<a name="line.559"></a>
-<span class="sourceLineNo">560</span>      this.nonceManager = isNoncesEnabled ? new ServerNonceManager(this.conf) : null;<a name="line.560"></a>
-<span class="sourceLineNo">561</span><a name="line.561"></a>
-<span class="sourceLineNo">562</span>      this.numRegionsToReport = conf.getInt("hbase.regionserver.numregionstoreport", 10);<a name="line.562"></a>
-<span class="sourceLineNo">563</span><a name="line.563"></a>
-<span class="sourceLineNo">564</span>      this.operationTimeout = conf.getInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT,<a name="line.564"></a>
-<span class="sourceLineNo">565</span>          HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT);<a name="line.565"></a>
-<span class="sourceLineNo">566</span><a name="line.566"></a>
-<span class="sourceLineNo">567</span>      this.shortOperationTimeout = conf.getInt(HConstants.HBASE_RPC_SHORTOPERATION_TIMEOUT_KEY,<a name="line.567"></a>
-<span class="sourceLineNo">568</span>          HConstants.DEFAULT_HBASE_RPC_SHORTOPERATION_TIMEOUT);<a name="line.568"></a>
-<span class="sourceLineNo">569</span><a name="line.569"></a>
-<span class="sourceLineNo">570</span>      this.abortRequested = false;<a name="line.570"></a>
-<span class="sourceLineNo">571</span>      this.stopped = false;<a name="line.571"></a>
-<span class="sourceLineNo">572</span><a name="line.572"></a>
-<span class="sourceLineNo">573</span>      rpcServices = createRpcServices();<a name="line.573"></a>
-<span class="sourceLineNo">574</span>      if (this instanceof HMaster) {<a name="line.574"></a>
-<span class="sourceLineNo">575</span>        useThisHostnameInstead = conf.get(MASTER_HOSTNAME_KEY);<a name="line.575"></a>
-<span class="sourceLineNo">576</span>      } else {<a name="line.576"></a>
-<span class="sourceLineNo">577</span>        useThisHostnameInstead = conf.get(RS_HOSTNAME_KEY);<a name="line.577"></a>
-<span class="sourceLineNo">578</span>        if (conf.getBoolean(RS_HOSTNAME_DISABLE_MASTER_REVERSEDNS_KEY, false)) {<a name="line.578"></a>
-<span class="sourceLineNo">579</span>          if (shouldUseThisHostnameInstead()) {<a name="line.579"></a>
-<span class="sourceLineNo">580</span>            String msg = RS_HOSTNAME_DISABLE_MASTER_REVERSEDNS_KEY + " and " + RS_HOSTNAME_KEY +<a name="line.580"></a>
-<span class="sourceLineNo">581</span>                " are mutually exclusive. Do not set " + RS_HOSTNAME_DISABLE_MASTER_REVERSEDNS_KEY +<a name="line.581"></a>
-<span class="sourceLineNo">582</span>                " to true while " + RS_HOSTNAME_KEY + " is used";<a name="line.582"></a>
-<span class="sourceLineNo">583</span>            throw new IOException(msg);<a name="line.583"></a>
-<span class="sourceLineNo">584</span>          } else {<a name="line.584"></a>
-<span class="sourceLineNo">585</span>            useThisHostnameInstead = rpcServices.isa.getHostName();<a name="line.585"></a>
-<span class="sourceLineNo">586</span>          }<a name="line.586"></a>
-<span class="sourceLineNo">587</span>        }<a name="line.587"></a>
-<span class="sourceLineNo">588</span>      }<a name="line.588"></a>
-<span class="sourceLineNo">589</span>      String hostName = shouldUseThisHostnameInstead() ?<a name="line.589"></a>
-<span class="sourceLineNo">590</span>          this.useThisHostnameInstead : this.rpcServices.isa.getHostName();<a name="line.590"></a>
-<span class="sourceLineNo">591</span>      serverName = ServerName.valueOf(hostName, this.rpcServices.isa.getPort(), this.startcode);<a name="line.591"></a>
-<span class="sourceLineNo">592</span><a name="line.592"></a>
-<span class="sourceLineNo">593</span>      rpcControllerFactory = RpcControllerFactory.instantiate(this.conf);<a name="line.593"></a>
-<span class="sourceLineNo">594</span>      rpcRetryingCallerFactory = RpcRetryingCallerFactory.instantiate(this.conf);<a name="line.594"></a>
-<span class="sourceLineNo">595</span><a name="line.595"></a>
-<span class="sourceLineNo">596</span>      // login the zookeeper client principal (if using security)<a name="line.596"></a>
-<span class="sourceLineNo">597</span>      ZKUtil.loginClient(this.conf, HConstants.ZK_CLIENT_KEYTAB_FILE,<a name="line.597"></a>
-<span class="sourceLineNo">598</span>          HConstants.ZK_CLIENT_KERBEROS_PRINCIPAL, hostName);<a name="line.598"></a>
-<span class="sourceLineNo">599</span>      // login the server principal (if using secure Hadoop)<a name="line.599"></a>
-<span class="sourceLineNo">600</span>      login(userProvider, hostName);<a name="line.600"></a>
-<span class="sourceLineNo">601</span>      // init superusers and add the server principal (if using security)<a name="line.601"></a>
-<span class="sourceLineNo">602</span>      // or process owner as default super user.<a name="line.602"></a>
-<span class="sourceLineNo">603</span>      Superusers.initialize(conf);<a name="line.603"></a>
-<span class="sourceLineNo">604</span><a name="line.604"></a>
-<span class="sourceLineNo">605</span>      regionServerAccounting = new RegionServerAccounting(conf);<a name="line.605"></a>
-<span class="sourceLineNo">606</span>      cacheConfig = new CacheConfig(conf);<a name="line.606"></a>
-<span class="sourceLineNo">607</span>      mobCacheConfig = new MobCacheConfig(conf);<a name="line.607"></a>
-<span class="sourceLineNo">608</span>      uncaughtExceptionHandler = new UncaughtExceptionHandler() {<a name="line.608"></a>
-<span class="sourceLineNo">609</span>        @Override<a name="line.609"></a>
-<span class="sourceLineNo">610</span>        public void uncaughtException(Thread t, Throwable e) {<a name="line.610"></a>
-<span class="sourceLineNo">611</span>          abort("Uncaught exception in executorService thread " + t.getName(), e);<a name="line.611"></a>
-<span class="sourceLineNo">612</span>        }<a name="line.612"></a>
-<span class="sourceLineNo">613</span>      };<a name="line.613"></a>
-<span class="sourceLineNo">614</span><a name="line.614"></a>
-<span class="sourceLineNo">615</span>      initializeFileSystem();<a name="line.615"></a>
-<span class="sourceLineNo">616</span>      spanReceiverHost = SpanReceiverHost.getInstance(getConfiguration());<a name="line.616"></a>
-<span class="sourceLineNo">617</span><a name="line.617"></a>
-<span class="sourceLineNo">618</span>      this.configurationManager = new ConfigurationManager();<a name="line.618"></a>
-<span class="sourceLineNo">619</span>      setupWindows(getConfiguration(), getConfigurationManager());<a name="line.619"></a>
-<span class="sourceLineNo">620</span><a name="line.620"></a>
-<span class="sourceLineNo">621</span>      // Some unit tests don't need a cluster, so no zookeeper at all<a name="line.621"></a>
-<span class="sourceLineNo">622</span>      if (!conf.getBoolean("hbase.testing.nocluster", false)) {<a name="line.622"></a>
-<span class="sourceLineNo">623</span>        // Open connection to zookeeper and set primary watcher<a name="line.623"></a>
-<span class="sourceLineNo">624</span>        zooKeeper = new ZKWatcher(conf, getProcessName() + ":" +<a name="line.624"></a>
-<span class="sourceLineNo">625</span>          rpcServices.isa.getPort(), this, canCreateBaseZNode());<a name="line.625"></a>
-<span class="sourceLineNo">626</span><a name="line.626"></a>
-<span class="sourceLineNo">627</span>        // If no master in cluster, skip trying to track one or look for a cluster status.<a name="line.627"></a>
-<span class="sourceLineNo">628</span>        if (!this.masterless) {<a name="line.628"></a>
-<span class="sourceLineNo">629</span>          this.csm = new ZkCoordinatedStateManager(this);<a name="line.629"></a>
-<span class="sourceLineNo">630</span><a name="line.630"></a>
-<span class="sourceLineNo">631</span>          masterAddressTracker = new MasterAddressTracker(getZooKeeper(), this);<a name="line.631"></a>
-<span class="sourceLineNo">632</span>          masterAddressTracker.start();<a name="line.632"></a>
-<span class="sourceLineNo">633</span><a name="line.633"></a>
-<span class="sourceLineNo">634</span>          clusterStatusTracker = new ClusterStatusTracker(zooKeeper, this);<a name="line.634"></a>
-<span class="sourceLineNo">635</span>          clusterStatusTracker.start();<a name="line.635"></a>
-<span class="sourceLineNo">636</span>        }<a name="line.636"></a>
-<span class="sourceLineNo">637</span>      }<a name="line.637"></a>
-<span class="sourceLineNo">638</span>      // This violates 'no starting stuff in Constructor' but Master depends on the below chore<a name="line.638"></a>
-<span class="sourceLineNo">639</span>      // and executor being created and takes a different startup route. Lots of overlap between HRS<a name="line.639"></a>
-<span class="sourceLineNo">640</span>      // and M (An M IS A HRS now). Need to refactor so less duplication between M and its super<a name="line.640"></a>
-<span class="sourceLineNo">641</span>      // Master expects Constructor to put up web servers. Ugh.<a name="line.641"></a>
-<span class="sourceLineNo">642</span>      // class HRS. TODO.<a name="line.642"></a>
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+<span class="sourceLineNo">839</span>   */<a name="line.839"></a>
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+<span class="sourceLineNo">841</span>    justification="cluster Id znode read would give us correct response")<a name="line.841"></a>
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+<span class="sourceLineNo">859</span>      // Retrieve clusterId<a name="line.859"></a>
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+<span class="sourceLineNo">875</span>    // This is to avoid showing backup masters as regionservers<a name="line.875"></a>
+<span class="sourceLineNo">876</span>    // in master web UI, or assigning any region to them.<a name="line.876"></a>
+<span class="sourceLineNo">877</span>    waitForMasterActive();<a name="line.877"></a>
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+<span class="sourceLineNo">882</span>    // watch for snapshots and other procedures<a name="line.882"></a>
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+<span class="sourceLineNo">895</span>   * @param tracker znode tracker to use<a name="line.895"></a>
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+<span class="sourceLineNo">909</span>   * @return True if the cluster is up.<a name="line.909"></a>
+<span class="sourceLineNo">910</span>   */<a name="line.910"></a>
+<span class="sourceLineNo">911</span>  private boolean isClusterUp() {<a name="line.911"></a>
+<span class="sourceLineNo">912</span>    return this.masterless ||<a name="line.912"></a>
+<span class="sourceLineNo">913</span>        this.clusterStatusTracker != null &amp;&amp; this.clusterStatusTracker.isClusterUp();<a name="line.913"></a>
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<TRUNCATED>

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