You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/19 14:53:41 UTC
[06/11] hbase-site git commit: Published site at
83dc38a1dffed76ea4d36f18409dd5bc86a3e19e.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/18058c93/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.RedirectServlet.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.RedirectServlet.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.RedirectServlet.html
index c4c914c..1c0118e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.RedirectServlet.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.RedirectServlet.html
@@ -786,3190 +786,3192 @@
<span class="sourceLineNo">778</span> this.splitOrMergeTracker.start();<a name="line.778"></a>
<span class="sourceLineNo">779</span><a name="line.779"></a>
<span class="sourceLineNo">780</span> this.replicationPeerManager = ReplicationPeerManager.create(zooKeeper, conf);<a name="line.780"></a>
-<span class="sourceLineNo">781</span> this.syncReplicationReplayWALManager = new SyncReplicationReplayWALManager(this);<a name="line.781"></a>
-<span class="sourceLineNo">782</span><a name="line.782"></a>
-<span class="sourceLineNo">783</span> this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this, this.serverManager);<a name="line.783"></a>
-<span class="sourceLineNo">784</span> this.drainingServerTracker.start();<a name="line.784"></a>
-<span class="sourceLineNo">785</span><a name="line.785"></a>
-<span class="sourceLineNo">786</span> String clientQuorumServers = conf.get(HConstants.CLIENT_ZOOKEEPER_QUORUM);<a name="line.786"></a>
-<span class="sourceLineNo">787</span> boolean clientZkObserverMode = conf.getBoolean(HConstants.CLIENT_ZOOKEEPER_OBSERVER_MODE,<a name="line.787"></a>
-<span class="sourceLineNo">788</span> HConstants.DEFAULT_CLIENT_ZOOKEEPER_OBSERVER_MODE);<a name="line.788"></a>
-<span class="sourceLineNo">789</span> if (clientQuorumServers != null && !clientZkObserverMode) {<a name="line.789"></a>
-<span class="sourceLineNo">790</span> // we need to take care of the ZK information synchronization<a name="line.790"></a>
-<span class="sourceLineNo">791</span> // if given client ZK are not observer nodes<a name="line.791"></a>
-<span class="sourceLineNo">792</span> ZKWatcher clientZkWatcher = new ZKWatcher(conf,<a name="line.792"></a>
-<span class="sourceLineNo">793</span> getProcessName() + ":" + rpcServices.getSocketAddress().getPort() + "-clientZK", this,<a name="line.793"></a>
-<span class="sourceLineNo">794</span> false, true);<a name="line.794"></a>
-<span class="sourceLineNo">795</span> this.metaLocationSyncer = new MetaLocationSyncer(zooKeeper, clientZkWatcher, this);<a name="line.795"></a>
-<span class="sourceLineNo">796</span> this.metaLocationSyncer.start();<a name="line.796"></a>
-<span class="sourceLineNo">797</span> this.masterAddressSyncer = new MasterAddressSyncer(zooKeeper, clientZkWatcher, this);<a name="line.797"></a>
-<span class="sourceLineNo">798</span> this.masterAddressSyncer.start();<a name="line.798"></a>
-<span class="sourceLineNo">799</span> // set cluster id is a one-go effort<a name="line.799"></a>
-<span class="sourceLineNo">800</span> ZKClusterId.setClusterId(clientZkWatcher, fileSystemManager.getClusterId());<a name="line.800"></a>
-<span class="sourceLineNo">801</span> }<a name="line.801"></a>
-<span class="sourceLineNo">802</span><a name="line.802"></a>
-<span class="sourceLineNo">803</span> // Set the cluster as up. If new RSs, they'll be waiting on this before<a name="line.803"></a>
-<span class="sourceLineNo">804</span> // going ahead with their startup.<a name="line.804"></a>
-<span class="sourceLineNo">805</span> boolean wasUp = this.clusterStatusTracker.isClusterUp();<a name="line.805"></a>
-<span class="sourceLineNo">806</span> if (!wasUp) this.clusterStatusTracker.setClusterUp();<a name="line.806"></a>
-<span class="sourceLineNo">807</span><a name="line.807"></a>
-<span class="sourceLineNo">808</span> LOG.info("Active/primary master=" + this.serverName +<a name="line.808"></a>
-<span class="sourceLineNo">809</span> ", sessionid=0x" +<a name="line.809"></a>
-<span class="sourceLineNo">810</span> Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +<a name="line.810"></a>
-<span class="sourceLineNo">811</span> ", setting cluster-up flag (Was=" + wasUp + ")");<a name="line.811"></a>
-<span class="sourceLineNo">812</span><a name="line.812"></a>
-<span class="sourceLineNo">813</span> // create/initialize the snapshot manager and other procedure managers<a name="line.813"></a>
-<span class="sourceLineNo">814</span> this.snapshotManager = new SnapshotManager();<a name="line.814"></a>
-<span class="sourceLineNo">815</span> this.mpmHost = new MasterProcedureManagerHost();<a name="line.815"></a>
-<span class="sourceLineNo">816</span> this.mpmHost.register(this.snapshotManager);<a name="line.816"></a>
-<span class="sourceLineNo">817</span> this.mpmHost.register(new MasterFlushTableProcedureManager());<a name="line.817"></a>
-<span class="sourceLineNo">818</span> this.mpmHost.loadProcedures(conf);<a name="line.818"></a>
-<span class="sourceLineNo">819</span> this.mpmHost.initialize(this, this.metricsMaster);<a name="line.819"></a>
-<span class="sourceLineNo">820</span> }<a name="line.820"></a>
-<span class="sourceLineNo">821</span><a name="line.821"></a>
-<span class="sourceLineNo">822</span> private static final ImmutableSet<Class<? extends Procedure>> UNSUPPORTED_PROCEDURES =<a name="line.822"></a>
-<span class="sourceLineNo">823</span> ImmutableSet.of(RecoverMetaProcedure.class, AssignProcedure.class, UnassignProcedure.class,<a name="line.823"></a>
-<span class="sourceLineNo">824</span> MoveRegionProcedure.class);<a name="line.824"></a>
-<span class="sourceLineNo">825</span><a name="line.825"></a>
-<span class="sourceLineNo">826</span> /**<a name="line.826"></a>
-<span class="sourceLineNo">827</span> * In HBASE-20811, we have introduced a new TRSP to assign/unassign/move regions, and it is<a name="line.827"></a>
-<span class="sourceLineNo">828</span> * incompatible with the old AssignProcedure/UnassignProcedure/MoveRegionProcedure. So we need to<a name="line.828"></a>
-<span class="sourceLineNo">829</span> * make sure that there are none these procedures when upgrading. If there are, the master will<a name="line.829"></a>
-<span class="sourceLineNo">830</span> * quit, you need to go back to the old version to finish these procedures first before upgrading.<a name="line.830"></a>
-<span class="sourceLineNo">831</span> */<a name="line.831"></a>
-<span class="sourceLineNo">832</span> private void checkUnsupportedProcedure(<a name="line.832"></a>
-<span class="sourceLineNo">833</span> Map<Class<? extends Procedure>, List<Procedure<MasterProcedureEnv>>> procsByType)<a name="line.833"></a>
-<span class="sourceLineNo">834</span> throws HBaseIOException {<a name="line.834"></a>
-<span class="sourceLineNo">835</span> // Confirm that we do not have unfinished assign/unassign related procedures. It is not easy to<a name="line.835"></a>
-<span class="sourceLineNo">836</span> // support both the old assign/unassign procedures and the new TransitRegionStateProcedure as<a name="line.836"></a>
-<span class="sourceLineNo">837</span> // there will be conflict in the code for AM. We should finish all these procedures before<a name="line.837"></a>
-<span class="sourceLineNo">838</span> // upgrading.<a name="line.838"></a>
-<span class="sourceLineNo">839</span> for (Class<? extends Procedure> clazz : UNSUPPORTED_PROCEDURES) {<a name="line.839"></a>
-<span class="sourceLineNo">840</span> List<Procedure<MasterProcedureEnv>> procs = procsByType.get(clazz);<a name="line.840"></a>
-<span class="sourceLineNo">841</span> if (procs != null) {<a name="line.841"></a>
-<span class="sourceLineNo">842</span> LOG.error(<a name="line.842"></a>
-<span class="sourceLineNo">843</span> "Unsupported procedure type {} found, please rollback your master to the old" +<a name="line.843"></a>
-<span class="sourceLineNo">844</span> " version to finish them, and then try to upgrade again. The full procedure list: {}",<a name="line.844"></a>
-<span class="sourceLineNo">845</span> clazz, procs);<a name="line.845"></a>
-<span class="sourceLineNo">846</span> throw new HBaseIOException("Unsupported procedure type " + clazz + " found");<a name="line.846"></a>
-<span class="sourceLineNo">847</span> }<a name="line.847"></a>
-<span class="sourceLineNo">848</span> }<a name="line.848"></a>
-<span class="sourceLineNo">849</span> // A special check for SCP, as we do not support RecoverMetaProcedure any more so we need to<a name="line.849"></a>
-<span class="sourceLineNo">850</span> // make sure that no one will try to schedule it but SCP does have a state which will schedule<a name="line.850"></a>
-<span class="sourceLineNo">851</span> // it.<a name="line.851"></a>
-<span class="sourceLineNo">852</span> if (procsByType.getOrDefault(ServerCrashProcedure.class, Collections.emptyList()).stream()<a name="line.852"></a>
-<span class="sourceLineNo">853</span> .map(p -> (ServerCrashProcedure) p).anyMatch(ServerCrashProcedure::isInRecoverMetaState)) {<a name="line.853"></a>
-<span class="sourceLineNo">854</span> LOG.error("At least one ServerCrashProcedure is going to schedule a RecoverMetaProcedure," +<a name="line.854"></a>
-<span class="sourceLineNo">855</span> " which is not supported any more. Please rollback your master to the old version to" +<a name="line.855"></a>
-<span class="sourceLineNo">856</span> " finish them, and then try to upgrade again.");<a name="line.856"></a>
-<span class="sourceLineNo">857</span> throw new HBaseIOException("Unsupported procedure state found for ServerCrashProcedure");<a name="line.857"></a>
-<span class="sourceLineNo">858</span> }<a name="line.858"></a>
-<span class="sourceLineNo">859</span> }<a name="line.859"></a>
-<span class="sourceLineNo">860</span><a name="line.860"></a>
-<span class="sourceLineNo">861</span> // Will be overriden in test to inject customized AssignmentManager<a name="line.861"></a>
-<span class="sourceLineNo">862</span> @VisibleForTesting<a name="line.862"></a>
-<span class="sourceLineNo">863</span> protected AssignmentManager createAssignmentManager(MasterServices master) {<a name="line.863"></a>
-<span class="sourceLineNo">864</span> return new AssignmentManager(master);<a name="line.864"></a>
-<span class="sourceLineNo">865</span> }<a name="line.865"></a>
-<span class="sourceLineNo">866</span><a name="line.866"></a>
-<span class="sourceLineNo">867</span> /**<a name="line.867"></a>
-<span class="sourceLineNo">868</span> * Finish initialization of HMaster after becoming the primary master.<a name="line.868"></a>
-<span class="sourceLineNo">869</span> * <p/><a name="line.869"></a>
-<span class="sourceLineNo">870</span> * The startup order is a bit complicated but very important, do not change it unless you know<a name="line.870"></a>
-<span class="sourceLineNo">871</span> * what you are doing.<a name="line.871"></a>
-<span class="sourceLineNo">872</span> * <ol><a name="line.872"></a>
-<span class="sourceLineNo">873</span> * <li>Initialize file system based components - file system manager, wal manager, table<a name="line.873"></a>
-<span class="sourceLineNo">874</span> * descriptors, etc</li><a name="line.874"></a>
-<span class="sourceLineNo">875</span> * <li>Publish cluster id</li><a name="line.875"></a>
-<span class="sourceLineNo">876</span> * <li>Here comes the most complicated part - initialize server manager, assignment manager and<a name="line.876"></a>
-<span class="sourceLineNo">877</span> * region server tracker<a name="line.877"></a>
-<span class="sourceLineNo">878</span> * <ol type='i'><a name="line.878"></a>
-<span class="sourceLineNo">879</span> * <li>Create server manager</li><a name="line.879"></a>
-<span class="sourceLineNo">880</span> * <li>Create procedure executor, load the procedures, but do not start workers. We will start it<a name="line.880"></a>
-<span class="sourceLineNo">881</span> * later after we finish scheduling SCPs to avoid scheduling duplicated SCPs for the same<a name="line.881"></a>
-<span class="sourceLineNo">882</span> * server</li><a name="line.882"></a>
-<span class="sourceLineNo">883</span> * <li>Create assignment manager and start it, load the meta region state, but do not load data<a name="line.883"></a>
-<span class="sourceLineNo">884</span> * from meta region</li><a name="line.884"></a>
-<span class="sourceLineNo">885</span> * <li>Start region server tracker, construct the online servers set and find out dead servers and<a name="line.885"></a>
-<span class="sourceLineNo">886</span> * schedule SCP for them. The online servers will be constructed by scanning zk, and we will also<a name="line.886"></a>
-<span class="sourceLineNo">887</span> * scan the wal directory to find out possible live region servers, and the differences between<a name="line.887"></a>
-<span class="sourceLineNo">888</span> * these two sets are the dead servers</li><a name="line.888"></a>
-<span class="sourceLineNo">889</span> * </ol><a name="line.889"></a>
-<span class="sourceLineNo">890</span> * </li><a name="line.890"></a>
-<span class="sourceLineNo">891</span> * <li>If this is a new deploy, schedule a InitMetaProcedure to initialize meta</li><a name="line.891"></a>
-<span class="sourceLineNo">892</span> * <li>Start necessary service threads - balancer, catalog janior, executor services, and also the<a name="line.892"></a>
-<span class="sourceLineNo">893</span> * procedure executor, etc. Notice that the balancer must be created first as assignment manager<a name="line.893"></a>
-<span class="sourceLineNo">894</span> * may use it when assigning regions.</li><a name="line.894"></a>
-<span class="sourceLineNo">895</span> * <li>Wait for meta to be initialized if necesssary, start table state manager.</li><a name="line.895"></a>
-<span class="sourceLineNo">896</span> * <li>Wait for enough region servers to check-in</li><a name="line.896"></a>
-<span class="sourceLineNo">897</span> * <li>Let assignment manager load data from meta and construct region states</li><a name="line.897"></a>
-<span class="sourceLineNo">898</span> * <li>Start all other things such as chore services, etc</li><a name="line.898"></a>
-<span class="sourceLineNo">899</span> * </ol><a name="line.899"></a>
-<span class="sourceLineNo">900</span> * <p/><a name="line.900"></a>
-<span class="sourceLineNo">901</span> * Notice that now we will not schedule a special procedure to make meta online(unless the first<a name="line.901"></a>
-<span class="sourceLineNo">902</span> * time where meta has not been created yet), we will rely on SCP to bring meta online.<a name="line.902"></a>
-<span class="sourceLineNo">903</span> */<a name="line.903"></a>
-<span class="sourceLineNo">904</span> private void finishActiveMasterInitialization(MonitoredTask status) throws IOException,<a name="line.904"></a>
-<span class="sourceLineNo">905</span> InterruptedException, KeeperException, ReplicationException {<a name="line.905"></a>
-<span class="sourceLineNo">906</span> Thread zombieDetector = new Thread(new InitializationMonitor(this),<a name="line.906"></a>
-<span class="sourceLineNo">907</span> "ActiveMasterInitializationMonitor-" + System.currentTimeMillis());<a name="line.907"></a>
-<span class="sourceLineNo">908</span> zombieDetector.setDaemon(true);<a name="line.908"></a>
-<span class="sourceLineNo">909</span> zombieDetector.start();<a name="line.909"></a>
-<span class="sourceLineNo">910</span><a name="line.910"></a>
-<span class="sourceLineNo">911</span> /*<a name="line.911"></a>
-<span class="sourceLineNo">912</span> * We are active master now... go initialize components we need to run.<a name="line.912"></a>
-<span class="sourceLineNo">913</span> */<a name="line.913"></a>
-<span class="sourceLineNo">914</span> status.setStatus("Initializing Master file system");<a name="line.914"></a>
-<span class="sourceLineNo">915</span><a name="line.915"></a>
-<span class="sourceLineNo">916</span> this.masterActiveTime = System.currentTimeMillis();<a name="line.916"></a>
-<span class="sourceLineNo">917</span> // TODO: Do this using Dependency Injection, using PicoContainer, Guice or Spring.<a name="line.917"></a>
-<span class="sourceLineNo">918</span><a name="line.918"></a>
-<span class="sourceLineNo">919</span> // Only initialize the MemStoreLAB when master carry table<a name="line.919"></a>
-<span class="sourceLineNo">920</span> if (LoadBalancer.isTablesOnMaster(conf)) {<a name="line.920"></a>
-<span class="sourceLineNo">921</span> initializeMemStoreChunkCreator();<a name="line.921"></a>
-<span class="sourceLineNo">922</span> }<a name="line.922"></a>
-<span class="sourceLineNo">923</span> this.fileSystemManager = new MasterFileSystem(conf);<a name="line.923"></a>
-<span class="sourceLineNo">924</span> this.walManager = new MasterWalManager(this);<a name="line.924"></a>
-<span class="sourceLineNo">925</span><a name="line.925"></a>
-<span class="sourceLineNo">926</span> // enable table descriptors cache<a name="line.926"></a>
-<span class="sourceLineNo">927</span> this.tableDescriptors.setCacheOn();<a name="line.927"></a>
-<span class="sourceLineNo">928</span><a name="line.928"></a>
-<span class="sourceLineNo">929</span> // warm-up HTDs cache on master initialization<a name="line.929"></a>
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-<span class="sourceLineNo">931</span> status.setStatus("Pre-loading table descriptors");<a name="line.931"></a>
-<span class="sourceLineNo">932</span> this.tableDescriptors.getAll();<a name="line.932"></a>
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-<span class="sourceLineNo">935</span> // Publish cluster ID; set it in Master too. The superclass RegionServer does this later but<a name="line.935"></a>
-<span class="sourceLineNo">936</span> // only after it has checked in with the Master. At least a few tests ask Master for clusterId<a name="line.936"></a>
-<span class="sourceLineNo">937</span> // before it has called its run method and before RegionServer has done the reportForDuty.<a name="line.937"></a>
-<span class="sourceLineNo">938</span> ClusterId clusterId = fileSystemManager.getClusterId();<a name="line.938"></a>
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-<span class="sourceLineNo">941</span> this.clusterId = clusterId.toString();<a name="line.941"></a>
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-<span class="sourceLineNo">944</span> // hbck1s against an hbase2 cluster; it could do damage. To skip this behavior, set<a name="line.944"></a>
-<span class="sourceLineNo">945</span> // hbase.write.hbck1.lock.file to false.<a name="line.945"></a>
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-<span class="sourceLineNo">953</span> createProcedureExecutor();<a name="line.953"></a>
-<span class="sourceLineNo">954</span> @SuppressWarnings("rawtypes")<a name="line.954"></a>
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-<span class="sourceLineNo">956</span> procedureExecutor.getActiveProceduresNoCopy().stream()<a name="line.956"></a>
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-<span class="sourceLineNo">958</span><a name="line.958"></a>
-<span class="sourceLineNo">959</span> checkUnsupportedProcedure(procsByType);<a name="line.959"></a>
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+<span class="sourceLineNo">782</span> this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this, this.serverManager);<a name="line.782"></a>
+<span class="sourceLineNo">783</span> this.drainingServerTracker.start();<a name="line.783"></a>
+<span class="sourceLineNo">784</span><a name="line.784"></a>
+<span class="sourceLineNo">785</span> String clientQuorumServers = conf.get(HConstants.CLIENT_ZOOKEEPER_QUORUM);<a name="line.785"></a>
+<span class="sourceLineNo">786</span> boolean clientZkObserverMode = conf.getBoolean(HConstants.CLIENT_ZOOKEEPER_OBSERVER_MODE,<a name="line.786"></a>
+<span class="sourceLineNo">787</span> HConstants.DEFAULT_CLIENT_ZOOKEEPER_OBSERVER_MODE);<a name="line.787"></a>
+<span class="sourceLineNo">788</span> if (clientQuorumServers != null && !clientZkObserverMode) {<a name="line.788"></a>
+<span class="sourceLineNo">789</span> // we need to take care of the ZK information synchronization<a name="line.789"></a>
+<span class="sourceLineNo">790</span> // if given client ZK are not observer nodes<a name="line.790"></a>
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+<span class="sourceLineNo">793</span> false, true);<a name="line.793"></a>
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+<span class="sourceLineNo">797</span> this.masterAddressSyncer.start();<a name="line.797"></a>
+<span class="sourceLineNo">798</span> // set cluster id is a one-go effort<a name="line.798"></a>
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+<span class="sourceLineNo">800</span> }<a name="line.800"></a>
+<span class="sourceLineNo">801</span><a name="line.801"></a>
+<span class="sourceLineNo">802</span> // Set the cluster as up. If new RSs, they'll be waiting on this before<a name="line.802"></a>
+<span class="sourceLineNo">803</span> // going ahead with their startup.<a name="line.803"></a>
+<span class="sourceLineNo">804</span> boolean wasUp = this.clusterStatusTracker.isClusterUp();<a name="line.804"></a>
+<span class="sourceLineNo">805</span> if (!wasUp) this.clusterStatusTracker.setClusterUp();<a name="line.805"></a>
+<span class="sourceLineNo">806</span><a name="line.806"></a>
+<span class="sourceLineNo">807</span> LOG.info("Active/primary master=" + this.serverName +<a name="line.807"></a>
+<span class="sourceLineNo">808</span> ", sessionid=0x" +<a name="line.808"></a>
+<span class="sourceLineNo">809</span> Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +<a name="line.809"></a>
+<span class="sourceLineNo">810</span> ", setting cluster-up flag (Was=" + wasUp + ")");<a name="line.810"></a>
+<span class="sourceLineNo">811</span><a name="line.811"></a>
+<span class="sourceLineNo">812</span> // create/initialize the snapshot manager and other procedure managers<a name="line.812"></a>
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+<span class="sourceLineNo">814</span> this.mpmHost = new MasterProcedureManagerHost();<a name="line.814"></a>
+<span class="sourceLineNo">815</span> this.mpmHost.register(this.snapshotManager);<a name="line.815"></a>
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+<span class="sourceLineNo">818</span> this.mpmHost.initialize(this, this.metricsMaster);<a name="line.818"></a>
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+<span class="sourceLineNo">820</span><a name="line.820"></a>
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+<span class="sourceLineNo">824</span><a name="line.824"></a>
+<span class="sourceLineNo">825</span> /**<a name="line.825"></a>
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+<span class="sourceLineNo">828</span> * make sure that there are none these procedures when upgrading. If there are, the master will<a name="line.828"></a>
+<span class="sourceLineNo">829</span> * quit, you need to go back to the old version to finish these procedures first before upgrading.<a name="line.829"></a>
+<span class="sourceLineNo">830</span> */<a name="line.830"></a>
+<span class="sourceLineNo">831</span> private void checkUnsupportedProcedure(<a name="line.831"></a>
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+<span class="sourceLineNo">833</span> throws HBaseIOException {<a name="line.833"></a>
+<span class="sourceLineNo">834</span> // Confirm that we do not have unfinished assign/unassign related procedures. It is not easy to<a name="line.834"></a>
+<span class="sourceLineNo">835</span> // support both the old assign/unassign procedures and the new TransitRegionStateProcedure as<a name="line.835"></a>
+<span class="sourceLineNo">836</span> // there will be conflict in the code for AM. We should finish all these procedures before<a name="line.836"></a>
+<span class="sourceLineNo">837</span> // upgrading.<a name="line.837"></a>
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+<span class="sourceLineNo">840</span> if (procs != null) {<a name="line.840"></a>
+<span class="sourceLineNo">841</span> LOG.error(<a name="line.841"></a>
+<span class="sourceLineNo">842</span> "Unsupported procedure type {} found, please rollback your master to the old" +<a name="line.842"></a>
+<span class="sourceLineNo">843</span> " version to finish them, and then try to upgrade again. The full procedure list: {}",<a name="line.843"></a>
+<span class="sourceLineNo">844</span> clazz, procs);<a name="line.844"></a>
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+<span class="sourceLineNo">848</span> // A special check for SCP, as we do not support RecoverMetaProcedure any more so we need to<a name="line.848"></a>
+<span class="sourceLineNo">849</span> // make sure that no one will try to schedule it but SCP does have a state which will schedule<a name="line.849"></a>
+<span class="sourceLineNo">850</span> // it.<a name="line.850"></a>
+<span class="sourceLineNo">851</span> if (procsByType.getOrDefault(ServerCrashProcedure.class, Collections.emptyList()).stream()<a name="line.851"></a>
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+<span class="sourceLineNo">853</span> LOG.error("At least one ServerCrashProcedure is going to schedule a RecoverMetaProcedure," +<a name="line.853"></a>
+<span class="sourceLineNo">854</span> " which is not supported any more. Please rollback your master to the old version to" +<a name="line.854"></a>
+<span class="sourceLineNo">855</span> " finish them, and then try to upgrade again.");<a name="line.855"></a>
+<span class="sourceLineNo">856</span> throw new HBaseIOException("Unsupported procedure state found for ServerCrashProcedure");<a name="line.856"></a>
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+<span class="sourceLineNo">858</span> }<a name="line.858"></a>
+<span class="sourceLineNo">859</span><a name="line.859"></a>
+<span class="sourceLineNo">860</span> // Will be overriden in test to inject customized AssignmentManager<a name="line.860"></a>
+<span class="sourceLineNo">861</span> @VisibleForTesting<a name="line.861"></a>
+<span class="sourceLineNo">862</span> protected AssignmentManager createAssignmentManager(MasterServices master) {<a name="line.862"></a>
+<span class="sourceLineNo">863</span> return new AssignmentManager(master);<a name="line.863"></a>
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+<span class="sourceLineNo">865</span><a name="line.865"></a>
+<span class="sourceLineNo">866</span> /**<a name="line.866"></a>
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+<span class="sourceLineNo">868</span> * <p/><a name="line.868"></a>
+<span class="sourceLineNo">869</span> * The startup order is a bit complicated but very important, do not change it unless you know<a name="line.869"></a>
+<span class="sourceLineNo">870</span> * what you are doing.<a name="line.870"></a>
+<span class="sourceLineNo">871</span> * <ol><a name="line.871"></a>
+<span class="sourceLineNo">872</span> * <li>Initialize file system based components - file system manager, wal manager, table<a name="line.872"></a>
+<span class="sourceLineNo">873</span> * descriptors, etc</li><a name="line.873"></a>
+<span class="sourceLineNo">874</span> * <li>Publish cluster id</li><a name="line.874"></a>
+<span class="sourceLineNo">875</span> * <li>Here comes the most complicated part - initialize server manager, assignment manager and<a name="line.875"></a>
+<span class="sourceLineNo">876</span> * region server tracker<a name="line.876"></a>
+<span class="sourceLineNo">877</span> * <ol type='i'><a name="line.877"></a>
+<span class="sourceLineNo">878</span> * <li>Create server manager</li><a name="line.878"></a>
+<span class="sourceLineNo">879</span> * <li>Create procedure executor, load the procedures, but do not start workers. We will start it<a name="line.879"></a>
+<span class="sourceLineNo">880</span> * later after we finish scheduling SCPs to avoid scheduling duplicated SCPs for the same<a name="line.880"></a>
+<span class="sourceLineNo">881</span> * server</li><a name="line.881"></a>
+<span class="sourceLineNo">882</span> * <li>Create assignment manager and start it, load the meta region state, but do not load data<a name="line.882"></a>
+<span class="sourceLineNo">883</span> * from meta region</li><a name="line.883"></a>
+<span class="sourceLineNo">884</span> * <li>Start region server tracker, construct the online servers set and find out dead servers and<a name="line.884"></a>
+<span class="sourceLineNo">885</span> * schedule SCP for them. The online servers will be constructed by scanning zk, and we will also<a name="line.885"></a>
+<span class="sourceLineNo">886</span> * scan the wal directory to find out possible live region servers, and the differences between<a name="line.886"></a>
+<span class="sourceLineNo">887</span> * these two sets are the dead servers</li><a name="line.887"></a>
+<span class="sourceLineNo">888</span> * </ol><a name="line.888"></a>
+<span class="sourceLineNo">889</span> * </li><a name="line.889"></a>
+<span class="sourceLineNo">890</span> * <li>If this is a new deploy, schedule a InitMetaProcedure to initialize meta</li><a name="line.890"></a>
+<span class="sourceLineNo">891</span> * <li>Start necessary service threads - balancer, catalog janior, executor services, and also the<a name="line.891"></a>
+<span class="sourceLineNo">892</span> * procedure executor, etc. Notice that the balancer must be created first as assignment manager<a name="line.892"></a>
+<span class="sourceLineNo">893</span> * may use it when assigning regions.</li><a name="line.893"></a>
+<span class="sourceLineNo">894</span> * <li>Wait for meta to be initialized if necesssary, start table state manager.</li><a name="line.894"></a>
+<span class="sourceLineNo">895</span> * <li>Wait for enough region servers to check-in</li><a name="line.895"></a>
+<span class="sourceLineNo">896</span> * <li>Let assignment manager load data from meta and construct region states</li><a name="line.896"></a>
+<span class="sourceLineNo">897</span> * <li>Start all other things such as chore services, etc</li><a name="line.897"></a>
+<span class="sourceLineNo">898</span> * </ol><a name="line.898"></a>
+<span class="sourceLineNo">899</span> * <p/><a name="line.899"></a>
+<span class="sourceLineNo">900</span> * Notice that now we will not schedule a special procedure to make meta online(unless the first<a name="line.900"></a>
+<span class="sourceLineNo">901</span> * time where meta has not been created yet), we will rely on SCP to bring meta online.<a name="line.901"></a>
+<span class="sourceLineNo">902</span> */<a name="line.902"></a>
+<span class="sourceLineNo">903</span> private void finishActiveMasterInitialization(MonitoredTask status) throws IOException,<a name="line.903"></a>
+<span class="sourceLineNo">904</span> InterruptedException, KeeperException, ReplicationException {<a name="line.904"></a>
+<span class="sourceLineNo">905</span> Thread zombieDetector = new Thread(new InitializationMonitor(this),<a name="line.905"></a>
+<span class="sourceLineNo">906</span> "ActiveMasterInitializationMonitor-" + System.currentTimeMillis());<a name="line.906"></a>
+<span class="sourceLineNo">907</span> zombieDetector.setDaemon(true);<a name="line.907"></a>
+<span class="sourceLineNo">908</span> zombieDetector.start();<a name="line.908"></a>
+<span class="sourceLineNo">909</span><a name="line.909"></a>
+<span class="sourceLineNo">910</span> /*<a name="line.910"></a>
+<span class="sourceLineNo">911</span> * We are active master now... go initialize components we need to run.<a name="line.911"></a>
+<span class="sourceLineNo">912</span> */<a name="line.912"></a>
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+<span class="sourceLineNo">916</span> // TODO: Do this using Dependency Injection, using PicoContainer, Guice or Spring.<a name="line.916"></a>
+<span class="sourceLineNo">917</span><a name="line.917"></a>
+<span class="sourceLineNo">918</span> // Only initialize the MemStoreLAB when master carry table<a name="line.918"></a>
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+<span class="sourceLineNo">924</span><a name="line.924"></a>
+<span class="sourceLineNo">925</span> // enable table descriptors cache<a name="line.925"></a>
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+<span class="sourceLineNo">927</span><a name="line.927"></a>
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+<span class="sourceLineNo">930</span> status.setStatus("Pre-loading table descriptors");<a name="line.930"></a>
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+<span class="sourceLineNo">952</span> // loading.<a name="line.952"></a>
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+<span class="sourceLineNo">956</span> @SuppressWarnings("rawtypes")<a name="line.956"></a>
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-<span class="sourceLineNo">967</span> List<TransitRegionStateProcedure> ritList =<a name="line.967"></a>
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-<span class="sourceLineNo">1013</span> // default with quota support, avoiding if user specifically asks to not load this Observer.<a name="line.1013"></a>
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-<span class="sourceLineNo">1015</span> updateConfigurationForQuotasObserver(conf);<a name="line.1015"></a>
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+<span class="sourceLineNo">1009</span> ReplicationPeerConfigUpgrader tableCFsUpdater =<a name="line.1009"></a>
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+<span class="sourceLineNo">1012</span><a name="line.1012"></a>
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+<span class="sourceLineNo">1014</span> // Add the Observer to delete quotas on table deletion before starting all CPs by<a name="line.1014"></a>
+<span class="sourceLineNo">1015</span> // default with quota support, avoiding if user specifically asks to not load this Observer.<a name="line.1015"></a>
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+<span class="sourceLineNo">1017</span> updateConfigurationForQuotasObserver(conf);<a name="line.1017"></a>
+<span class="sourceLineNo">1018</span> }<a name="line.1018"></a>
+<span class="sourceLineNo">1019</span> // initialize master side coprocessors before we start handling requests<a name="line.1019"></a>
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+<span class="sourceLineNo">1023</span><a name="line.1023"></a>
+<span class="sourceLineNo">1024</span> // Checking if meta needs initializing.<a name="line.1024"></a>
+<span class="sourceLineNo">1025</span> status.setStatus("Initializing meta table if this is a new deploy");<a name="line.1025"></a>
+<span class="sourceLineNo">1026</span> InitMetaProcedure initMetaProc = null;<a name="line.1026"></a>
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+<span class="sourceLineNo">1028</span> RegionState rs = this.assignmentManager.getRegionStates().<a name="line.1028"></a>
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+<span class="sourceLineNo">1033</span> .filter(p -> p instanceof InitMetaProcedure).map(o -> (InitMetaProcedure) o).findAny();<a name="line.1033"></a>
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+<span class="sourceLineNo">1035</span> // schedule an init meta procedure if meta has not been deployed yet<a name="line.1035"></a>
+<span class="sourceLineNo">1036</span> InitMetaProcedure temp = new InitMetaProcedure();<a name="line.1036"></a>
+<span class="sourceLineNo">1037</span> procedureExecutor.submitProcedure(temp);<a name="line.1037"></a>
+<span class="sourceLineNo">1038</span> return temp;<a name="line.1038"></a>
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+<span class="sourceLineNo">1049</span><a name="line.1049"></a>
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+<span class="sourceLineNo">1052</span> startServiceThreads();<a name="line.1052"></a>
+<span class="sourceLineNo">1053</span> // wait meta to be initialized after we start procedure executor<a name="line.1053"></a>
+<span class="sourceLineNo">1054</span> if (initMetaProc != null) {<a name="line.1054"></a>
+<span class="sourceLineNo">1055</span> initMetaProc.await();<a name="line.1055"></a>
+<span class="sourceLineNo">1056</span> }<a name="line.1056"></a>
+<span class="sourceLineNo">1057</span> // Wake up this server to check in<a name="line.1057"></a>
+<span class="sourceLineNo">1058</span> sleeper.skipSleepCycle();<a name="line.1058"></a>
+<span class="sourceLineNo">1059</span><a name="line.1059"></a>
+<span class="sourceLineNo">1060</span> // Wait for region servers to report in.<a name="line.1060"></a>
+<span class="sourceLineNo">1061</span> // With this as part of master initialization, it precludes our being able to start a single<a name="line.1061"></a>
+<span class="sourceLineNo">1062</span> // server that is both Master and RegionServer. Needs more thought. TODO.<a name="line.1062"></a>
+<span class="sourceLineNo">1063</span> String statusStr = "Wait for region servers to report in";<a name="line.1063"></a>
+<span class="sourceLineNo">1064</span> status.setStatus(statusStr);<a name="line.1064"></a>
+<span class="sourceLineNo">1065</span> LOG.info(Objects.toString(status));<a name="line.1065"></a>
+<span class="sourceLineNo">1066</span> waitForRegionServers(status);<a name="line.1066"></a>
+<span class="sourceLineNo">1067</span><a name="line.1067"></a>
+<span class="sourceLineNo">1068</span> // Check if master is shutting down because issue initializing regionservers or balancer.<a name="line.1068"></a>
+<span class="sourceLineNo">1069</span> if (isStopped()) {<a name="line.1069"></a>
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+<span class="sourceLineNo">1071</span> }<a name="line.1071"></a>
+<span class="sourceLineNo">1072</span><a name="line.1072"></a>
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+<span class="sourceLineNo">1074</span> // FIRST HBASE:META READ!!!!<a name="line.1074"></a>
+<span class="sourceLineNo">1075</span> // The below cannot make progress w/o hbase:meta being online.<a name="line.1075"></a>
+<span class="sourceLineNo">1076</span> // This is the FIRST attempt at going to hbase:meta. Meta on-lining is going on in background<a name="line.1076"></a>
+<span class="sourceLineNo">1077</span> // as procedures run -- in particular SCPs for crashed servers... One should put up hbase:meta<a name="line.1077"></a>
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+<span class="sourceLineNo">1079</span> // available. That's what waitForMetaOnline does.<a name="line.1079"></a>
+<span class="sourceLineNo">1080</span> if (!waitForMetaOnline()) {<a name="line.1080"></a>
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+<span class="sourceLineNo">1082</span> }<a name="line.1082"></a>
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+<span class="sourceLineNo">1084</span> // The below depends on hbase:meta being online.<a name="line.1084"></a>
+<span class="sourceLineNo">1085</span> this.tableStateManager.start();<a name="line.1085"></a>
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+<span class="sourceLineNo">1088</span> // of its 'start' moving table state from zookeeper to hbase:meta. This migration needs to<a name="line.1088"></a>
+<span class="sourceLineNo">1089</span> // complete before we do this next step processing offline regions else it fails reading<a name="line.1089"></a>
+<span class="sourceLineNo">1090</span> // table states messing up master launch (namespace table, etc., are not assigned).<a name="line.1090"></a>
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+<span class="sourceLineNo">1092</span> // Initialize after meta is up as below scans meta<a name="line.1092"></a>
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+<span class="sourceLineNo">1095</span> new SnapshotOfRegionAssignmentFromMeta(getConnection());<a name="line.1095"></a>
+<span class="sourceLineNo">1096</span> snapshotOfRegionAssignment.initialize();<a name="line.1096"></a>
+<span class="sourceLineNo">1097</span> favoredNodesManager.initialize(snapshotOfRegionAssignment);<a name="line.1097"></a>
+<span class="sourceLineNo">1098</span> }<a name="line.1098"></a>
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+<span class="sourceLineNo">1102</span><a name="line.1102"></a>
+<span class="sourceLineNo">1103</span> // Start balancer and meta catalog janitor after meta and regions have been assigned.<a name="line.1103"></a>
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+<span class="sourceLineNo">1108</span> getChoreService().scheduleChore(balancerChore);<a name="line.1108"></a>
+<span class="sourceLineNo">1109</span> this.normalizerChore = new RegionNormalizerChore(this);<a name="line.1109"></a>
+<span class="sourceLineNo">1110</span> getChoreService().scheduleChore(normalizerChore);<a name="line.1110"></a>
+<span class="sourceLineNo">1111</span> this.catalogJanitorChore = new CatalogJanitor(this);<a name="line.1111"></a>
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+<span class="sourceLineNo">1113</span> this.serverManager.startChore();<a name="line.1113"></a>
+<span class="sourceLineNo">1114</span><a name="line.1114"></a>
+<span class="sourceLineNo">1115</span> // NAMESPACE READ!!!!<a name="line.1115"></a>
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+<span class="sourceLineNo">1117</span> // TODO: Fix this. Namespace is a pain being a sort-of system table. Fold it in to hbase:meta.<a name="line.1117"></a>
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+<span class="sourceLineNo">1121</span> }<a name="line.1121"></a>
+<span class="sourceLineNo">1122</span> status.setStatus("Starting cluster schema service");<a name="line.1122"></a>
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+<span class="sourceLineNo">1124</span><a name="line.1124"></a>
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+<span class="sourceLineNo">1126</span> try {<a name="line.1126"></a>
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+<span class="sourceLineNo">1129</span> LOG.error("Coprocessor preMasterInitialization() hook failed", e);<a name="line.1129"></a>
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+<span class="sourceLineNo">1131</span> }<a name="line.1131"></a>
+<span class="sourceLineNo">1132</span><a name="line.1132"></a>
+<span class="sourceLineNo">1133</span> status.markComplete("Initialization successful");<a name="line.1133"></a>
+<span class="sourceLineNo">1134</span> LOG.info(String.format("Master has completed initialization %.3fsec",<a name="line.1134"></a>
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+<span class="sourceLineNo">1137</span> configurationManager.registerObserver(this.balancer);<a name="line.1137"></a>
+<span class="sourceLineNo">1138</span> configurationManager.registerObserver(this.hfileCleaner);<a name="line.1138"></a>
+<span class="sourceLineNo">1139</span> configurationManager.registerObserver(this.logCleaner);<a name="line.1139"></a>
+<span class="sourceLineNo">1140</span> // Set master as 'initialized'.<a name="line.1140"></a>
+<span class="sourceLineNo">1141</span> setInitialized(true);<a name="line.1141"></a>
+<span class="sourceLineNo">1142</span><a name="line.1142"></a>
+<span class="sourceLineNo">1143</span> if (maintenanceMode) {<a name="line.1143"></a>
+<span class="sourceLineNo">1144</span> LOG.info("Detected repair mode, skipping final initialization steps.");<a name="line.1144"></a>
+<span class="sourceLineNo">1145</span> return;<a name="line.1145"></a>
+<span class="sourceLineNo">1146</span> }<a name="line.1146"></a>
+<span class="sourceLineNo">1147</span><a name="line.1147"></a>
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+<span class="sourceLineNo">1149</span> status.setStatus("Assign meta replicas");<a name="line.1149"></a>
+<span class="sourceLineNo">1150</span> MasterMetaBootstrap metaBootstrap = createMetaBootstrap();<a name="line.1150"></a>
+<span class="sourceLineNo">1151</span> metaBootstrap.assignMetaReplicas();<a name="line.1151"></a>
+<span class="sourceLineNo">1152</span> status.setStatus("Starting quota manager");<a name="line.1152"></a>
+<span class="sourceLineNo">1153</span> initQuotaManager();<a name="line.1153"></a>
+<span class="sourceLineNo">1154</span> if (QuotaUtil.isQuotaEnabled(conf)) {<a name="line.1154"></a>
+<span class="sourceLineNo">1155</span> // Create the quota snapshot notifier<a name="line.1155"></a>
+<span class="sourceLineNo">1156</span> spaceQuotaSnapshotNotifier = createQuotaSnapshotNotifier();<a name="line.1156"></a>
+<span class="sourceLineNo">1157</span> spaceQuotaSnapshotNotifier.initialize(getClusterConnection());<a name="line.1157"></a>
+<span class="sourceLineNo">1158</span>
<TRUNCATED>