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 2018/01/30 15:18:41 UTC
[33/44] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a3fb6d74/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 ce3e039..4a87b9d 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
@@ -6,7 +6,7 @@
</head>
<body>
<div class="sourceContainer">
-<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
@@ -825,13 +825,13 @@
<span class="sourceLineNo">817</span><a name="line.817"></a>
<span class="sourceLineNo">818</span> this.serverManager = createServerManager(this);<a name="line.818"></a>
<span class="sourceLineNo">819</span><a name="line.819"></a>
-<span class="sourceLineNo">820</span> this.tableStateManager = new TableStateManager(this);<a name="line.820"></a>
-<span class="sourceLineNo">821</span><a name="line.821"></a>
-<span class="sourceLineNo">822</span> status.setStatus("Initializing ZK system trackers");<a name="line.822"></a>
-<span class="sourceLineNo">823</span> initializeZKBasedSystemTrackers();<a name="line.823"></a>
-<span class="sourceLineNo">824</span><a name="line.824"></a>
-<span class="sourceLineNo">825</span> // Set Master as active now after we've setup zk with stuff like whether cluster is up or not.<a name="line.825"></a>
-<span class="sourceLineNo">826</span> // RegionServers won't come up if the cluster status is not up.<a name="line.826"></a>
+<span class="sourceLineNo">820</span> // This manager is started AFTER hbase:meta is confirmed on line.<a name="line.820"></a>
+<span class="sourceLineNo">821</span> // See inside metaBootstrap.recoverMeta(); below. Shouldn't be so cryptic!<a name="line.821"></a>
+<span class="sourceLineNo">822</span> this.tableStateManager = new TableStateManager(this);<a name="line.822"></a>
+<span class="sourceLineNo">823</span><a name="line.823"></a>
+<span class="sourceLineNo">824</span> status.setStatus("Initializing ZK system trackers");<a name="line.824"></a>
+<span class="sourceLineNo">825</span> initializeZKBasedSystemTrackers();<a name="line.825"></a>
+<span class="sourceLineNo">826</span> // Set ourselves as active Master now our claim has succeeded up in zk.<a name="line.826"></a>
<span class="sourceLineNo">827</span> this.activeMaster = true;<a name="line.827"></a>
<span class="sourceLineNo">828</span><a name="line.828"></a>
<span class="sourceLineNo">829</span> // This is for backwards compatibility<a name="line.829"></a>
@@ -874,2697 +874,2693 @@
<span class="sourceLineNo">866</span> this.balancer.setClusterMetrics(getClusterMetricsWithoutCoprocessor());<a name="line.866"></a>
<span class="sourceLineNo">867</span> this.balancer.initialize();<a name="line.867"></a>
<span class="sourceLineNo">868</span><a name="line.868"></a>
-<span class="sourceLineNo">869</span> // Check if master is shutting down because of some issue<a name="line.869"></a>
-<span class="sourceLineNo">870</span> // in initializing the regionserver or the balancer.<a name="line.870"></a>
-<span class="sourceLineNo">871</span> if (isStopped()) return;<a name="line.871"></a>
-<span class="sourceLineNo">872</span><a name="line.872"></a>
-<span class="sourceLineNo">873</span> // Make sure meta assigned before proceeding.<a name="line.873"></a>
-<span class="sourceLineNo">874</span> status.setStatus("Recovering Meta Region");<a name="line.874"></a>
-<span class="sourceLineNo">875</span><a name="line.875"></a>
-<span class="sourceLineNo">876</span> // we recover hbase:meta region servers inside master initialization and<a name="line.876"></a>
-<span class="sourceLineNo">877</span> // handle other failed servers in SSH in order to start up master node ASAP<a name="line.877"></a>
-<span class="sourceLineNo">878</span> MasterMetaBootstrap metaBootstrap = createMetaBootstrap(this, status);<a name="line.878"></a>
-<span class="sourceLineNo">879</span> metaBootstrap.recoverMeta();<a name="line.879"></a>
-<span class="sourceLineNo">880</span><a name="line.880"></a>
-<span class="sourceLineNo">881</span> // check if master is shutting down because above assignMeta could return even hbase:meta isn't<a name="line.881"></a>
-<span class="sourceLineNo">882</span> // assigned when master is shutting down<a name="line.882"></a>
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-<span class="sourceLineNo">885</span> //Initialize after meta as it scans meta<a name="line.885"></a>
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-<span class="sourceLineNo">887</span> SnapshotOfRegionAssignmentFromMeta snapshotOfRegionAssignment =<a name="line.887"></a>
-<span class="sourceLineNo">888</span> new SnapshotOfRegionAssignmentFromMeta(getConnection());<a name="line.888"></a>
-<span class="sourceLineNo">889</span> snapshotOfRegionAssignment.initialize();<a name="line.889"></a>
-<span class="sourceLineNo">890</span> favoredNodesManager.initialize(snapshotOfRegionAssignment);<a name="line.890"></a>
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-<span class="sourceLineNo">892</span><a name="line.892"></a>
-<span class="sourceLineNo">893</span> // migrating existent table state from zk, so splitters<a name="line.893"></a>
-<span class="sourceLineNo">894</span> // and recovery process treat states properly.<a name="line.894"></a>
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-<span class="sourceLineNo">900</span> ZKUtil.deleteChildrenRecursively(getZooKeeper(), getZooKeeper().znodePaths.tableZNode);<a name="line.900"></a>
+<span class="sourceLineNo">869</span> // Make sure meta assigned before proceeding.<a name="line.869"></a>
+<span class="sourceLineNo">870</span> status.setStatus("Recovering Meta Region");<a name="line.870"></a>
+<span class="sourceLineNo">871</span><a name="line.871"></a>
+<span class="sourceLineNo">872</span> // we recover hbase:meta region servers inside master initialization and<a name="line.872"></a>
+<span class="sourceLineNo">873</span> // handle other failed servers in SSH in order to start up master node ASAP<a name="line.873"></a>
+<span class="sourceLineNo">874</span> MasterMetaBootstrap metaBootstrap = createMetaBootstrap(this, status);<a name="line.874"></a>
+<span class="sourceLineNo">875</span> metaBootstrap.recoverMeta();<a name="line.875"></a>
+<span class="sourceLineNo">876</span><a name="line.876"></a>
+<span class="sourceLineNo">877</span><a name="line.877"></a>
+<span class="sourceLineNo">878</span> //Initialize after meta as it scans meta<a name="line.878"></a>
+<span class="sourceLineNo">879</span> if (favoredNodesManager != null) {<a name="line.879"></a>
+<span class="sourceLineNo">880</span> SnapshotOfRegionAssignmentFromMeta snapshotOfRegionAssignment =<a name="line.880"></a>
+<span class="sourceLineNo">881</span> new SnapshotOfRegionAssignmentFromMeta(getConnection());<a name="line.881"></a>
+<span class="sourceLineNo">882</span> snapshotOfRegionAssignment.initialize();<a name="line.882"></a>
+<span class="sourceLineNo">883</span> favoredNodesManager.initialize(snapshotOfRegionAssignment);<a name="line.883"></a>
+<span class="sourceLineNo">884</span> }<a name="line.884"></a>
+<span class="sourceLineNo">885</span><a name="line.885"></a>
+<span class="sourceLineNo">886</span> // migrating existent table state from zk, so splitters<a name="line.886"></a>
+<span class="sourceLineNo">887</span> // and recovery process treat states properly.<a name="line.887"></a>
+<span class="sourceLineNo">888</span> for (Map.Entry<TableName, TableState.State> entry : ZKDataMigrator<a name="line.888"></a>
+<span class="sourceLineNo">889</span> .queryForTableStates(getZooKeeper()).entrySet()) {<a name="line.889"></a>
+<span class="sourceLineNo">890</span> LOG.info("Converting state from zk to new states:" + entry);<a name="line.890"></a>
+<span class="sourceLineNo">891</span> tableStateManager.setTableState(entry.getKey(), entry.getValue());<a name="line.891"></a>
+<span class="sourceLineNo">892</span> }<a name="line.892"></a>
+<span class="sourceLineNo">893</span> ZKUtil.deleteChildrenRecursively(getZooKeeper(), getZooKeeper().znodePaths.tableZNode);<a name="line.893"></a>
+<span class="sourceLineNo">894</span><a name="line.894"></a>
+<span class="sourceLineNo">895</span> status.setStatus("Submitting log splitting work for previously failed region servers");<a name="line.895"></a>
+<span class="sourceLineNo">896</span> metaBootstrap.processDeadServers();<a name="line.896"></a>
+<span class="sourceLineNo">897</span><a name="line.897"></a>
+<span class="sourceLineNo">898</span> // Fix up assignment manager status<a name="line.898"></a>
+<span class="sourceLineNo">899</span> status.setStatus("Starting assignment manager");<a name="line.899"></a>
+<span class="sourceLineNo">900</span> this.assignmentManager.joinCluster();<a name="line.900"></a>
<span class="sourceLineNo">901</span><a name="line.901"></a>
-<span class="sourceLineNo">902</span> status.setStatus("Submitting log splitting work for previously failed region servers");<a name="line.902"></a>
-<span class="sourceLineNo">903</span> metaBootstrap.processDeadServers();<a name="line.903"></a>
+<span class="sourceLineNo">902</span> // set cluster status again after user regions are assigned<a name="line.902"></a>
+<span class="sourceLineNo">903</span> this.balancer.setClusterMetrics(getClusterMetricsWithoutCoprocessor());<a name="line.903"></a>
<span class="sourceLineNo">904</span><a name="line.904"></a>
-<span class="sourceLineNo">905</span> // Fix up assignment manager status<a name="line.905"></a>
-<span class="sourceLineNo">906</span> status.setStatus("Starting assignment manager");<a name="line.906"></a>
-<span class="sourceLineNo">907</span> this.assignmentManager.joinCluster();<a name="line.907"></a>
-<span class="sourceLineNo">908</span><a name="line.908"></a>
-<span class="sourceLineNo">909</span> // set cluster status again after user regions are assigned<a name="line.909"></a>
-<span class="sourceLineNo">910</span> this.balancer.setClusterMetrics(getClusterMetricsWithoutCoprocessor());<a name="line.910"></a>
-<span class="sourceLineNo">911</span><a name="line.911"></a>
-<span class="sourceLineNo">912</span> // Start balancer and meta catalog janitor after meta and regions have been assigned.<a name="line.912"></a>
-<span class="sourceLineNo">913</span> status.setStatus("Starting balancer and catalog janitor");<a name="line.913"></a>
-<span class="sourceLineNo">914</span> this.clusterStatusChore = new ClusterStatusChore(this, balancer);<a name="line.914"></a>
-<span class="sourceLineNo">915</span> getChoreService().scheduleChore(clusterStatusChore);<a name="line.915"></a>
-<span class="sourceLineNo">916</span> this.balancerChore = new BalancerChore(this);<a name="line.916"></a>
-<span class="sourceLineNo">917</span> getChoreService().scheduleChore(balancerChore);<a name="line.917"></a>
-<span class="sourceLineNo">918</span> this.normalizerChore = new RegionNormalizerChore(this);<a name="line.918"></a>
-<span class="sourceLineNo">919</span> getChoreService().scheduleChore(normalizerChore);<a name="line.919"></a>
-<span class="sourceLineNo">920</span> this.catalogJanitorChore = new CatalogJanitor(this);<a name="line.920"></a>
-<span class="sourceLineNo">921</span> getChoreService().scheduleChore(catalogJanitorChore);<a name="line.921"></a>
-<span class="sourceLineNo">922</span><a name="line.922"></a>
-<span class="sourceLineNo">923</span> status.setStatus("Starting cluster schema service");<a name="line.923"></a>
-<span class="sourceLineNo">924</span> initClusterSchemaService();<a name="line.924"></a>
-<span class="sourceLineNo">925</span><a name="line.925"></a>
-<span class="sourceLineNo">926</span> if (this.cpHost != null) {<a name="line.926"></a>
-<span class="sourceLineNo">927</span> try {<a name="line.927"></a>
-<span class="sourceLineNo">928</span> this.cpHost.preMasterInitialization();<a name="line.928"></a>
-<span class="sourceLineNo">929</span> } catch (IOException e) {<a name="line.929"></a>
-<span class="sourceLineNo">930</span> LOG.error("Coprocessor preMasterInitialization() hook failed", e);<a name="line.930"></a>
-<span class="sourceLineNo">931</span> }<a name="line.931"></a>
-<span class="sourceLineNo">932</span> }<a name="line.932"></a>
-<span class="sourceLineNo">933</span><a name="line.933"></a>
-<span class="sourceLineNo">934</span> status.markComplete("Initialization successful");<a name="line.934"></a>
-<span class="sourceLineNo">935</span> LOG.info(String.format("Master has completed initialization %.3fsec",<a name="line.935"></a>
-<span class="sourceLineNo">936</span> (System.currentTimeMillis() - masterActiveTime) / 1000.0f));<a name="line.936"></a>
-<span class="sourceLineNo">937</span> this.masterFinishedInitializationTime = System.currentTimeMillis();<a name="line.937"></a>
-<span class="sourceLineNo">938</span> configurationManager.registerObserver(this.balancer);<a name="line.938"></a>
-<span class="sourceLineNo">939</span> configurationManager.registerObserver(this.hfileCleaner);<a name="line.939"></a>
-<span class="sourceLineNo">940</span> configurationManager.registerObserver(this.logCleaner);<a name="line.940"></a>
-<span class="sourceLineNo">941</span><a name="line.941"></a>
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-<span class="sourceLineNo">943</span> setInitialized(true);<a name="line.943"></a>
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-<span class="sourceLineNo">947</span> status.setStatus("Assign meta replicas");<a name="line.947"></a>
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-<span class="sourceLineNo">951</span> initQuotaManager();<a name="line.951"></a>
-<span class="sourceLineNo">952</span> if (QuotaUtil.isQuotaEnabled(conf)) {<a name="line.952"></a>
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-<span class="sourceLineNo">1022</span> LOG<a name="line.1022"></a>
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-<span class="sourceLineNo">1025</span> this.mobCompactThread = new MasterMobCompactionThread(this);<a name="line.1025"></a>
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+<span class="sourceLineNo">1195</span><a name="line.1195"></a>
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+<span class="sourceLineNo">1197</span><a name="line.1197"></a>
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+<span class="sourceLineNo">1207</span> new MasterProcedureEnv.WALStoreLeaseRecovery(this));<a name="line.1207"></a>
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+<span class="sourceLineNo">1217</span> MasterProcedureConstants.EXECUTOR_ABORT_ON_CORRUPTION,<a name="line.1217"></a>
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-<span class="sourceLineNo">1241</span> procedureExecutor = null;<a name="line.1241"></a>
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+<span class="sourceLineNo">1228</span> procedureExecutor.stop();<a name="line.1228"></a>
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+<span class="sourceLineNo">1237</span> }<a name="line.1237"></a>
+<span class="sourceLineNo">1238</span><a name="line.1238"></a>
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