http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0fb1fde/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html index 79bf967..c8b113b 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html @@ -115,3514 +115,3517 @@ <span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer;<a name="line.107"></a> <span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.master.balancer.ClusterStatusChore;<a name="line.108"></a> <span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.master.balancer.LoadBalancerFactory;<a name="line.109"></a> -<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.master.cleaner.HFileCleaner;<a name="line.110"></a> -<span class="sourceLineNo">111</span>import org.apache.hadoop.hbase.master.cleaner.LogCleaner;<a name="line.111"></a> -<span class="sourceLineNo">112</span>import org.apache.hadoop.hbase.master.cleaner.ReplicationBarrierCleaner;<a name="line.112"></a> -<span class="sourceLineNo">113</span>import org.apache.hadoop.hbase.master.locking.LockManager;<a name="line.113"></a> -<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.master.normalizer.NormalizationPlan;<a name="line.114"></a> -<span class="sourceLineNo">115</span>import org.apache.hadoop.hbase.master.normalizer.NormalizationPlan.PlanType;<a name="line.115"></a> -<span class="sourceLineNo">116</span>import org.apache.hadoop.hbase.master.normalizer.RegionNormalizer;<a name="line.116"></a> -<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.master.normalizer.RegionNormalizerChore;<a name="line.117"></a> -<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.master.normalizer.RegionNormalizerFactory;<a name="line.118"></a> -<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.master.procedure.CreateTableProcedure;<a name="line.119"></a> -<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.master.procedure.DeleteNamespaceProcedure;<a name="line.120"></a> -<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.master.procedure.DeleteTableProcedure;<a name="line.121"></a> -<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.master.procedure.DisableTableProcedure;<a name="line.122"></a> -<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.master.procedure.EnableTableProcedure;<a name="line.123"></a> -<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;<a name="line.124"></a> -<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.125"></a> -<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler;<a name="line.126"></a> -<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.127"></a> -<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.master.procedure.ModifyTableProcedure;<a name="line.128"></a> -<span class="sourceLineNo">129</span>import org.apache.hadoop.hbase.master.procedure.ProcedurePrepareLatch;<a name="line.129"></a> -<span class="sourceLineNo">130</span>import org.apache.hadoop.hbase.master.procedure.RecoverMetaProcedure;<a name="line.130"></a> -<span class="sourceLineNo">131</span>import org.apache.hadoop.hbase.master.procedure.TruncateTableProcedure;<a name="line.131"></a> -<span class="sourceLineNo">132</span>import org.apache.hadoop.hbase.master.replication.AddPeerProcedure;<a name="line.132"></a> -<span class="sourceLineNo">133</span>import org.apache.hadoop.hbase.master.replication.DisablePeerProcedure;<a name="line.133"></a> -<span class="sourceLineNo">134</span>import org.apache.hadoop.hbase.master.replication.EnablePeerProcedure;<a name="line.134"></a> -<span class="sourceLineNo">135</span>import org.apache.hadoop.hbase.master.replication.ModifyPeerProcedure;<a name="line.135"></a> -<span class="sourceLineNo">136</span>import org.apache.hadoop.hbase.master.replication.RemovePeerProcedure;<a name="line.136"></a> -<span class="sourceLineNo">137</span>import org.apache.hadoop.hbase.master.replication.ReplicationPeerManager;<a name="line.137"></a> -<span class="sourceLineNo">138</span>import org.apache.hadoop.hbase.master.replication.UpdatePeerConfigProcedure;<a name="line.138"></a> -<span class="sourceLineNo">139</span>import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;<a name="line.139"></a> -<span class="sourceLineNo">140</span>import org.apache.hadoop.hbase.mob.MobConstants;<a name="line.140"></a> -<span class="sourceLineNo">141</span>import org.apache.hadoop.hbase.monitoring.MemoryBoundedLogMessageBuffer;<a name="line.141"></a> -<span class="sourceLineNo">142</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.142"></a> -<span class="sourceLineNo">143</span>import org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.143"></a> -<span class="sourceLineNo">144</span>import org.apache.hadoop.hbase.procedure.MasterProcedureManagerHost;<a name="line.144"></a> -<span class="sourceLineNo">145</span>import org.apache.hadoop.hbase.procedure.flush.MasterFlushTableProcedureManager;<a name="line.145"></a> -<span class="sourceLineNo">146</span>import org.apache.hadoop.hbase.procedure2.LockedResource;<a name="line.146"></a> -<span class="sourceLineNo">147</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.147"></a> -<span class="sourceLineNo">148</span>import org.apache.hadoop.hbase.procedure2.ProcedureEvent;<a name="line.148"></a> -<span class="sourceLineNo">149</span>import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.149"></a> -<span class="sourceLineNo">150</span>import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher.RemoteProcedure;<a name="line.150"></a> -<span class="sourceLineNo">151</span>import org.apache.hadoop.hbase.procedure2.RemoteProcedureException;<a name="line.151"></a> -<span class="sourceLineNo">152</span>import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;<a name="line.152"></a> -<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.quotas.MasterQuotaManager;<a name="line.153"></a> -<span class="sourceLineNo">154</span>import org.apache.hadoop.hbase.quotas.MasterSpaceQuotaObserver;<a name="line.154"></a> -<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.quotas.QuotaObserverChore;<a name="line.155"></a> -<span class="sourceLineNo">156</span>import org.apache.hadoop.hbase.quotas.QuotaUtil;<a name="line.156"></a> -<span class="sourceLineNo">157</span>import org.apache.hadoop.hbase.quotas.SnapshotQuotaObserverChore;<a name="line.157"></a> -<span class="sourceLineNo">158</span>import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotNotifier;<a name="line.158"></a> -<span class="sourceLineNo">159</span>import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotNotifierFactory;<a name="line.159"></a> -<span class="sourceLineNo">160</span>import org.apache.hadoop.hbase.regionserver.DefaultStoreEngine;<a name="line.160"></a> -<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.161"></a> -<span class="sourceLineNo">162</span>import org.apache.hadoop.hbase.regionserver.HStore;<a name="line.162"></a> -<span class="sourceLineNo">163</span>import org.apache.hadoop.hbase.regionserver.RSRpcServices;<a name="line.163"></a> -<span class="sourceLineNo">164</span>import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;<a name="line.164"></a> -<span class="sourceLineNo">165</span>import org.apache.hadoop.hbase.regionserver.RegionSplitPolicy;<a name="line.165"></a> -<span class="sourceLineNo">166</span>import org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy;<a name="line.166"></a> -<span class="sourceLineNo">167</span>import org.apache.hadoop.hbase.regionserver.compactions.FIFOCompactionPolicy;<a name="line.167"></a> -<span class="sourceLineNo">168</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.168"></a> -<span class="sourceLineNo">169</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.169"></a> -<span class="sourceLineNo">170</span>import org.apache.hadoop.hbase.replication.ReplicationPeerDescription;<a name="line.170"></a> -<span class="sourceLineNo">171</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.171"></a> -<span class="sourceLineNo">172</span>import org.apache.hadoop.hbase.replication.master.ReplicationHFileCleaner;<a name="line.172"></a> -<span class="sourceLineNo">173</span>import org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner;<a name="line.173"></a> -<span class="sourceLineNo">174</span>import org.apache.hadoop.hbase.replication.master.ReplicationPeerConfigUpgrader;<a name="line.174"></a> -<span class="sourceLineNo">175</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.175"></a> -<span class="sourceLineNo">176</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.176"></a> -<span class="sourceLineNo">177</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.177"></a> -<span class="sourceLineNo">178</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.178"></a> -<span class="sourceLineNo">179</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.179"></a> -<span class="sourceLineNo">180</span>import org.apache.hadoop.hbase.util.CompressionTest;<a name="line.180"></a> -<span class="sourceLineNo">181</span>import org.apache.hadoop.hbase.util.EncryptionTest;<a name="line.181"></a> -<span class="sourceLineNo">182</span>import org.apache.hadoop.hbase.util.HFileArchiveUtil;<a name="line.182"></a> -<span class="sourceLineNo">183</span>import org.apache.hadoop.hbase.util.HasThread;<a name="line.183"></a> -<span class="sourceLineNo">184</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.184"></a> -<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.util.ModifyRegionUtils;<a name="line.185"></a> -<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.186"></a> -<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.187"></a> -<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.util.VersionInfo;<a name="line.188"></a> -<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker;<a name="line.189"></a> -<span class="sourceLineNo">190</span>import org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;<a name="line.190"></a> -<span class="sourceLineNo">191</span>import org.apache.hadoop.hbase.zookeeper.MasterMaintenanceModeTracker;<a name="line.191"></a> -<span class="sourceLineNo">192</span>import org.apache.hadoop.hbase.zookeeper.RegionNormalizerTracker;<a name="line.192"></a> -<span class="sourceLineNo">193</span>import org.apache.hadoop.hbase.zookeeper.ZKClusterId;<a name="line.193"></a> -<span class="sourceLineNo">194</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.194"></a> -<span class="sourceLineNo">195</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.195"></a> -<span class="sourceLineNo">196</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.196"></a> -<span class="sourceLineNo">197</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.197"></a> -<span class="sourceLineNo">198</span>import org.apache.zookeeper.KeeperException;<a name="line.198"></a> -<span class="sourceLineNo">199</span>import org.eclipse.jetty.server.Server;<a name="line.199"></a> -<span class="sourceLineNo">200</span>import org.eclipse.jetty.server.ServerConnector;<a name="line.200"></a> -<span class="sourceLineNo">201</span>import org.eclipse.jetty.servlet.ServletHolder;<a name="line.201"></a> -<span class="sourceLineNo">202</span>import org.eclipse.jetty.webapp.WebAppContext;<a name="line.202"></a> -<span class="sourceLineNo">203</span>import org.slf4j.Logger;<a name="line.203"></a> -<span class="sourceLineNo">204</span>import org.slf4j.LoggerFactory;<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.206"></a> -<span class="sourceLineNo">207</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.207"></a> -<span class="sourceLineNo">208</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.208"></a> -<span class="sourceLineNo">209</span><a name="line.209"></a> -<span class="sourceLineNo">210</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.210"></a> -<span class="sourceLineNo">211</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse.CompactionState;<a name="line.211"></a> -<span class="sourceLineNo">212</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionServerInfo;<a name="line.212"></a> -<span class="sourceLineNo">213</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;<a name="line.213"></a> -<span class="sourceLineNo">214</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceViolationPolicy;<a name="line.214"></a> -<span class="sourceLineNo">215</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.215"></a> -<span class="sourceLineNo">216</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;<a name="line.216"></a> -<span class="sourceLineNo">217</span><a name="line.217"></a> -<span class="sourceLineNo">218</span>/**<a name="line.218"></a> -<span class="sourceLineNo">219</span> * HMaster is the "master server" for HBase. An HBase cluster has one active<a name="line.219"></a> -<span class="sourceLineNo">220</span> * master. If many masters are started, all compete. Whichever wins goes on to<a name="line.220"></a> -<span class="sourceLineNo">221</span> * run the cluster. All others park themselves in their constructor until<a name="line.221"></a> -<span class="sourceLineNo">222</span> * master or cluster shutdown or until the active master loses its lease in<a name="line.222"></a> -<span class="sourceLineNo">223</span> * zookeeper. Thereafter, all running master jostle to take over master role.<a name="line.223"></a> -<span class="sourceLineNo">224</span> *<a name="line.224"></a> -<span class="sourceLineNo">225</span> * <p>The Master can be asked shutdown the cluster. See {@link #shutdown()}. In<a name="line.225"></a> -<span class="sourceLineNo">226</span> * this case it will tell all regionservers to go down and then wait on them<a name="line.226"></a> -<span class="sourceLineNo">227</span> * all reporting in that they are down. This master will then shut itself down.<a name="line.227"></a> -<span class="sourceLineNo">228</span> *<a name="line.228"></a> -<span class="sourceLineNo">229</span> * <p>You can also shutdown just this master. Call {@link #stopMaster()}.<a name="line.229"></a> -<span class="sourceLineNo">230</span> *<a name="line.230"></a> -<span class="sourceLineNo">231</span> * @see org.apache.zookeeper.Watcher<a name="line.231"></a> -<span class="sourceLineNo">232</span> */<a name="line.232"></a> -<span class="sourceLineNo">233</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.233"></a> -<span class="sourceLineNo">234</span>@SuppressWarnings("deprecation")<a name="line.234"></a> -<span class="sourceLineNo">235</span>public class HMaster extends HRegionServer implements MasterServices {<a name="line.235"></a> -<span class="sourceLineNo">236</span> private static Logger LOG = LoggerFactory.getLogger(HMaster.class.getName());<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> /**<a name="line.238"></a> -<span class="sourceLineNo">239</span> * Protection against zombie master. Started once Master accepts active responsibility and<a name="line.239"></a> -<span class="sourceLineNo">240</span> * starts taking over responsibilities. Allows a finite time window before giving up ownership.<a name="line.240"></a> -<span class="sourceLineNo">241</span> */<a name="line.241"></a> -<span class="sourceLineNo">242</span> private static class InitializationMonitor extends HasThread {<a name="line.242"></a> -<span class="sourceLineNo">243</span> /** The amount of time in milliseconds to sleep before checking initialization status. */<a name="line.243"></a> -<span class="sourceLineNo">244</span> public static final String TIMEOUT_KEY = "hbase.master.initializationmonitor.timeout";<a name="line.244"></a> -<span class="sourceLineNo">245</span> public static final long TIMEOUT_DEFAULT = TimeUnit.MILLISECONDS.convert(15, TimeUnit.MINUTES);<a name="line.245"></a> -<span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> /**<a name="line.247"></a> -<span class="sourceLineNo">248</span> * When timeout expired and initialization has not complete, call {@link System#exit(int)} when<a name="line.248"></a> -<span class="sourceLineNo">249</span> * true, do nothing otherwise.<a name="line.249"></a> -<span class="sourceLineNo">250</span> */<a name="line.250"></a> -<span class="sourceLineNo">251</span> public static final String HALT_KEY = "hbase.master.initializationmonitor.haltontimeout";<a name="line.251"></a> -<span class="sourceLineNo">252</span> public static final boolean HALT_DEFAULT = false;<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> private final HMaster master;<a name="line.254"></a> -<span class="sourceLineNo">255</span> private final long timeout;<a name="line.255"></a> -<span class="sourceLineNo">256</span> private final boolean haltOnTimeout;<a name="line.256"></a> -<span class="sourceLineNo">257</span><a name="line.257"></a> -<span class="sourceLineNo">258</span> /** Creates a Thread that monitors the {@link #isInitialized()} state. */<a name="line.258"></a> -<span class="sourceLineNo">259</span> InitializationMonitor(HMaster master) {<a name="line.259"></a> -<span class="sourceLineNo">260</span> super("MasterInitializationMonitor");<a name="line.260"></a> -<span class="sourceLineNo">261</span> this.master = master;<a name="line.261"></a> -<span class="sourceLineNo">262</span> this.timeout = master.getConfiguration().getLong(TIMEOUT_KEY, TIMEOUT_DEFAULT);<a name="line.262"></a> -<span class="sourceLineNo">263</span> this.haltOnTimeout = master.getConfiguration().getBoolean(HALT_KEY, HALT_DEFAULT);<a name="line.263"></a> -<span class="sourceLineNo">264</span> this.setDaemon(true);<a name="line.264"></a> -<span class="sourceLineNo">265</span> }<a name="line.265"></a> -<span class="sourceLineNo">266</span><a name="line.266"></a> -<span class="sourceLineNo">267</span> @Override<a name="line.267"></a> -<span class="sourceLineNo">268</span> public void run() {<a name="line.268"></a> -<span class="sourceLineNo">269</span> try {<a name="line.269"></a> -<span class="sourceLineNo">270</span> while (!master.isStopped() && master.isActiveMaster()) {<a name="line.270"></a> -<span class="sourceLineNo">271</span> Thread.sleep(timeout);<a name="line.271"></a> -<span class="sourceLineNo">272</span> if (master.isInitialized()) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> LOG.debug("Initialization completed within allotted tolerance. Monitor exiting.");<a name="line.273"></a> -<span class="sourceLineNo">274</span> } else {<a name="line.274"></a> -<span class="sourceLineNo">275</span> LOG.error("Master failed to complete initialization after " + timeout + "ms. Please"<a name="line.275"></a> -<span class="sourceLineNo">276</span> + " consider submitting a bug report including a thread dump of this process.");<a name="line.276"></a> -<span class="sourceLineNo">277</span> if (haltOnTimeout) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> LOG.error("Zombie Master exiting. Thread dump to stdout");<a name="line.278"></a> -<span class="sourceLineNo">279</span> Threads.printThreadInfo(System.out, "Zombie HMaster");<a name="line.279"></a> -<span class="sourceLineNo">280</span> System.exit(-1);<a name="line.280"></a> -<span class="sourceLineNo">281</span> }<a name="line.281"></a> -<span class="sourceLineNo">282</span> }<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span> } catch (InterruptedException ie) {<a name="line.284"></a> -<span class="sourceLineNo">285</span> LOG.trace("InitMonitor thread interrupted. Existing.");<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> }<a name="line.287"></a> -<span class="sourceLineNo">288</span> }<a name="line.288"></a> -<span class="sourceLineNo">289</span><a name="line.289"></a> -<span class="sourceLineNo">290</span> // MASTER is name of the webapp and the attribute name used stuffing this<a name="line.290"></a> -<span class="sourceLineNo">291</span> //instance into web context.<a name="line.291"></a> -<span class="sourceLineNo">292</span> public static final String MASTER = "master";<a name="line.292"></a> -<span class="sourceLineNo">293</span><a name="line.293"></a> -<span class="sourceLineNo">294</span> // Manager and zk listener for master election<a name="line.294"></a> -<span class="sourceLineNo">295</span> private final ActiveMasterManager activeMasterManager;<a name="line.295"></a> -<span class="sourceLineNo">296</span> // Region server tracker<a name="line.296"></a> -<span class="sourceLineNo">297</span> RegionServerTracker regionServerTracker;<a name="line.297"></a> -<span class="sourceLineNo">298</span> // Draining region server tracker<a name="line.298"></a> -<span class="sourceLineNo">299</span> private DrainingServerTracker drainingServerTracker;<a name="line.299"></a> -<span class="sourceLineNo">300</span> // Tracker for load balancer state<a name="line.300"></a> -<span class="sourceLineNo">301</span> LoadBalancerTracker loadBalancerTracker;<a name="line.301"></a> -<span class="sourceLineNo">302</span><a name="line.302"></a> -<span class="sourceLineNo">303</span> // Tracker for split and merge state<a name="line.303"></a> -<span class="sourceLineNo">304</span> private SplitOrMergeTracker splitOrMergeTracker;<a name="line.304"></a> -<span class="sourceLineNo">305</span><a name="line.305"></a> -<span class="sourceLineNo">306</span> // Tracker for region normalizer state<a name="line.306"></a> -<span class="sourceLineNo">307</span> private RegionNormalizerTracker regionNormalizerTracker;<a name="line.307"></a> -<span class="sourceLineNo">308</span><a name="line.308"></a> -<span class="sourceLineNo">309</span> //Tracker for master maintenance mode setting<a name="line.309"></a> -<span class="sourceLineNo">310</span> private MasterMaintenanceModeTracker maintenanceModeTracker;<a name="line.310"></a> -<span class="sourceLineNo">311</span><a name="line.311"></a> -<span class="sourceLineNo">312</span> private ClusterSchemaService clusterSchemaService;<a name="line.312"></a> -<span class="sourceLineNo">313</span><a name="line.313"></a> -<span class="sourceLineNo">314</span> public static final String HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS =<a name="line.314"></a> -<span class="sourceLineNo">315</span> "hbase.master.wait.on.service.seconds";<a name="line.315"></a> -<span class="sourceLineNo">316</span> public static final int DEFAULT_HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS = 5 * 60;<a name="line.316"></a> -<span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> // Metrics for the HMaster<a name="line.318"></a> -<span class="sourceLineNo">319</span> final MetricsMaster metricsMaster;<a name="line.319"></a> -<span class="sourceLineNo">320</span> // file system manager for the master FS operations<a name="line.320"></a> -<span class="sourceLineNo">321</span> private MasterFileSystem fileSystemManager;<a name="line.321"></a> -<span class="sourceLineNo">322</span> private MasterWalManager walManager;<a name="line.322"></a> -<span class="sourceLineNo">323</span><a name="line.323"></a> -<span class="sourceLineNo">324</span> // server manager to deal with region server info<a name="line.324"></a> -<span class="sourceLineNo">325</span> private volatile ServerManager serverManager;<a name="line.325"></a> -<span class="sourceLineNo">326</span><a name="line.326"></a> -<span class="sourceLineNo">327</span> // manager of assignment nodes in zookeeper<a name="line.327"></a> -<span class="sourceLineNo">328</span> private AssignmentManager assignmentManager;<a name="line.328"></a> -<span class="sourceLineNo">329</span><a name="line.329"></a> -<span class="sourceLineNo">330</span> // manager of replication<a name="line.330"></a> -<span class="sourceLineNo">331</span> private ReplicationPeerManager replicationPeerManager;<a name="line.331"></a> -<span class="sourceLineNo">332</span><a name="line.332"></a> -<span class="sourceLineNo">333</span> // buffer for "fatal error" notices from region servers<a name="line.333"></a> -<span class="sourceLineNo">334</span> // in the cluster. This is only used for assisting<a name="line.334"></a> -<span class="sourceLineNo">335</span> // operations/debugging.<a name="line.335"></a> -<span class="sourceLineNo">336</span> MemoryBoundedLogMessageBuffer rsFatals;<a name="line.336"></a> -<span class="sourceLineNo">337</span><a name="line.337"></a> -<span class="sourceLineNo">338</span> // flag set after we become the active master (used for testing)<a name="line.338"></a> -<span class="sourceLineNo">339</span> private volatile boolean activeMaster = false;<a name="line.339"></a> -<span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> // flag set after we complete initialization once active<a name="line.341"></a> -<span class="sourceLineNo">342</span> private final ProcedureEvent<?> initialized = new ProcedureEvent<>("master initialized");<a name="line.342"></a> -<span class="sourceLineNo">343</span><a name="line.343"></a> -<span class="sourceLineNo">344</span> // flag set after master services are started,<a name="line.344"></a> -<span class="sourceLineNo">345</span> // initialization may have not completed yet.<a name="line.345"></a> -<span class="sourceLineNo">346</span> volatile boolean serviceStarted = false;<a name="line.346"></a> -<span class="sourceLineNo">347</span><a name="line.347"></a> -<span class="sourceLineNo">348</span> // flag set after we complete assignMeta.<a name="line.348"></a> -<span class="sourceLineNo">349</span> private final ProcedureEvent<?> serverCrashProcessingEnabled =<a name="line.349"></a> -<span class="sourceLineNo">350</span> new ProcedureEvent<>("server crash processing");<a name="line.350"></a> -<span class="sourceLineNo">351</span><a name="line.351"></a> -<span class="sourceLineNo">352</span> // Maximum time we should run balancer for<a name="line.352"></a> -<span class="sourceLineNo">353</span> private final int maxBlancingTime;<a name="line.353"></a> -<span class="sourceLineNo">354</span> // Maximum percent of regions in transition when balancing<a name="line.354"></a> -<span class="sourceLineNo">355</span> private final double maxRitPercent;<a name="line.355"></a> -<span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> private final LockManager lockManager = new LockManager(this);<a name="line.357"></a> -<span class="sourceLineNo">358</span><a name="line.358"></a> -<span class="sourceLineNo">359</span> private LoadBalancer balancer;<a name="line.359"></a> -<span class="sourceLineNo">360</span> private RegionNormalizer normalizer;<a name="line.360"></a> -<span class="sourceLineNo">361</span> private BalancerChore balancerChore;<a name="line.361"></a> -<span class="sourceLineNo">362</span> private RegionNormalizerChore normalizerChore;<a name="line.362"></a> -<span class="sourceLineNo">363</span> private ClusterStatusChore clusterStatusChore;<a name="line.363"></a> -<span class="sourceLineNo">364</span> private ClusterStatusPublisher clusterStatusPublisherChore = null;<a name="line.364"></a> -<span class="sourceLineNo">365</span><a name="line.365"></a> -<span class="sourceLineNo">366</span> CatalogJanitor catalogJanitorChore;<a name="line.366"></a> -<span class="sourceLineNo">367</span> private LogCleaner logCleaner;<a name="line.367"></a> -<span class="sourceLineNo">368</span> private HFileCleaner hfileCleaner;<a name="line.368"></a> -<span class="sourceLineNo">369</span> private ReplicationBarrierCleaner replicationBarrierCleaner;<a name="line.369"></a> -<span class="sourceLineNo">370</span> private ExpiredMobFileCleanerChore expiredMobFileCleanerChore;<a name="line.370"></a> -<span class="sourceLineNo">371</span> private MobCompactionChore mobCompactChore;<a name="line.371"></a> -<span class="sourceLineNo">372</span> private MasterMobCompactionThread mobCompactThread;<a name="line.372"></a> -<span class="sourceLineNo">373</span> // used to synchronize the mobCompactionStates<a name="line.373"></a> -<span class="sourceLineNo">374</span> private final IdLock mobCompactionLock = new IdLock();<a name="line.374"></a> -<span class="sourceLineNo">375</span> // save the information of mob compactions in tables.<a name="line.375"></a> -<span class="sourceLineNo">376</span> // the key is table name, the value is the number of compactions in that table.<a name="line.376"></a> -<span class="sourceLineNo">377</span> private Map<TableName, AtomicInteger> mobCompactionStates = Maps.newConcurrentMap();<a name="line.377"></a> -<span class="sourceLineNo">378</span><a name="line.378"></a> -<span class="sourceLineNo">379</span> MasterCoprocessorHost cpHost;<a name="line.379"></a> -<span class="sourceLineNo">380</span><a name="line.380"></a> -<span class="sourceLineNo">381</span> private final boolean preLoadTableDescriptors;<a name="line.381"></a> -<span class="sourceLineNo">382</span><a name="line.382"></a> -<span class="sourceLineNo">383</span> // Time stamps for when a hmaster became active<a name="line.383"></a> -<span class="sourceLineNo">384</span> private long masterActiveTime;<a name="line.384"></a> -<span class="sourceLineNo">385</span><a name="line.385"></a> -<span class="sourceLineNo">386</span> // Time stamp for when HMaster finishes becoming Active Master<a name="line.386"></a> -<span class="sourceLineNo">387</span> private long masterFinishedInitializationTime;<a name="line.387"></a> -<span class="sourceLineNo">388</span><a name="line.388"></a> -<span class="sourceLineNo">389</span> //should we check the compression codec type at master side, default true, HBASE-6370<a name="line.389"></a> -<span class="sourceLineNo">390</span> private final boolean masterCheckCompression;<a name="line.390"></a> -<span class="sourceLineNo">391</span><a name="line.391"></a> -<span class="sourceLineNo">392</span> //should we check encryption settings at master side, default true<a name="line.392"></a> -<span class="sourceLineNo">393</span> private final boolean masterCheckEncryption;<a name="line.393"></a> -<span class="sourceLineNo">394</span><a name="line.394"></a> -<span class="sourceLineNo">395</span> Map<String, Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.395"></a> -<span class="sourceLineNo">396</span><a name="line.396"></a> -<span class="sourceLineNo">397</span> // monitor for snapshot of hbase tables<a name="line.397"></a> -<span class="sourceLineNo">398</span> SnapshotManager snapshotManager;<a name="line.398"></a> -<span class="sourceLineNo">399</span> // monitor for distributed procedures<a name="line.399"></a> -<span class="sourceLineNo">400</span> private MasterProcedureManagerHost mpmHost;<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> // it is assigned after 'initialized' guard set to true, so should be volatile<a name="line.402"></a> -<span class="sourceLineNo">403</span> private volatile MasterQuotaManager quotaManager;<a name="line.403"></a> -<span class="sourceLineNo">404</span> private SpaceQuotaSnapshotNotifier spaceQuotaSnapshotNotifier;<a name="line.404"></a> -<span class="sourceLineNo">405</span> private QuotaObserverChore quotaObserverChore;<a name="line.405"></a> -<span class="sourceLineNo">406</span> private SnapshotQuotaObserverChore snapshotQuotaChore;<a name="line.406"></a> -<span class="sourceLineNo">407</span><a name="line.407"></a> -<span class="sourceLineNo">408</span> private ProcedureExecutor<MasterProcedureEnv> procedureExecutor;<a name="line.408"></a> -<span class="sourceLineNo">409</span> private WALProcedureStore procedureStore;<a name="line.409"></a> -<span class="sourceLineNo">410</span><a name="line.410"></a> -<span class="sourceLineNo">411</span> // handle table states<a name="line.411"></a> -<span class="sourceLineNo">412</span> private TableStateManager tableStateManager;<a name="line.412"></a> -<span class="sourceLineNo">413</span><a name="line.413"></a> -<span class="sourceLineNo">414</span> private long splitPlanCount;<a name="line.414"></a> -<span class="sourceLineNo">415</span> private long mergePlanCount;<a name="line.415"></a> -<span class="sourceLineNo">416</span><a name="line.416"></a> -<span class="sourceLineNo">417</span> /* Handle favored nodes information */<a name="line.417"></a> -<span class="sourceLineNo">418</span> private FavoredNodesManager favoredNodesManager;<a name="line.418"></a> -<span class="sourceLineNo">419</span><a name="line.419"></a> -<span class="sourceLineNo">420</span> /** jetty server for master to redirect requests to regionserver infoServer */<a name="line.420"></a> -<span class="sourceLineNo">421</span> private Server masterJettyServer;<a name="line.421"></a> -<span class="sourceLineNo">422</span><a name="line.422"></a> -<span class="sourceLineNo">423</span> public static class RedirectServlet extends HttpServlet {<a name="line.423"></a> -<span class="sourceLineNo">424</span> private static final long serialVersionUID = 2894774810058302473L;<a name="line.424"></a> -<span class="sourceLineNo">425</span> private final int regionServerInfoPort;<a name="line.425"></a> -<span class="sourceLineNo">426</span> private final String regionServerHostname;<a name="line.426"></a> -<span class="sourceLineNo">427</span><a name="line.427"></a> -<span class="sourceLineNo">428</span> /**<a name="line.428"></a> -<span class="sourceLineNo">429</span> * @param infoServer that we're trying to send all requests to<a name="line.429"></a> -<span class="sourceLineNo">430</span> * @param hostname may be null. if given, will be used for redirects instead of host from client.<a name="line.430"></a> -<span class="sourceLineNo">431</span> */<a name="line.431"></a> -<span class="sourceLineNo">432</span> public RedirectServlet(InfoServer infoServer, String hostname) {<a name="line.432"></a> -<span class="sourceLineNo">433</span> regionServerInfoPort = infoServer.getPort();<a name="line.433"></a> -<span class="sourceLineNo">434</span> regionServerHostname = hostname;<a name="line.434"></a> -<span class="sourceLineNo">435</span> }<a name="line.435"></a> -<span class="sourceLineNo">436</span><a name="line.436"></a> -<span class="sourceLineNo">437</span> @Override<a name="line.437"></a> -<span class="sourceLineNo">438</span> public void doGet(HttpServletRequest request,<a name="line.438"></a> -<span class="sourceLineNo">439</span> HttpServletResponse response) throws ServletException, IOException {<a name="line.439"></a> -<span class="sourceLineNo">440</span> String redirectHost = regionServerHostname;<a name="line.440"></a> -<span class="sourceLineNo">441</span> if(redirectHost == null) {<a name="line.441"></a> -<span class="sourceLineNo">442</span> redirectHost = request.getServerName();<a name="line.442"></a> -<span class="sourceLineNo">443</span> if(!Addressing.isLocalAddress(InetAddress.getByName(redirectHost))) {<a name="line.443"></a> -<span class="sourceLineNo">444</span> LOG.warn("Couldn't resolve '" + redirectHost + "' as an address local to this node and '" +<a name="line.444"></a> -<span class="sourceLineNo">445</span> MASTER_HOSTNAME_KEY + "' is not set; client will get a HTTP 400 response. If " +<a name="line.445"></a> -<span class="sourceLineNo">446</span> "your HBase deployment relies on client accessible names that the region server process " +<a name="line.446"></a> -<span class="sourceLineNo">447</span> "can't resolve locally, then you should set the previously mentioned configuration variable " +<a name="line.447"></a> -<span class="sourceLineNo">448</span> "to an appropriate hostname.");<a name="line.448"></a> -<span class="sourceLineNo">449</span> // no sending client provided input back to the client, so the goal host is just in the logs.<a name="line.449"></a> -<span class="sourceLineNo">450</span> response.sendError(400, "Request was to a host that I can't resolve for any of the network interfaces on " +<a name="line.450"></a> -<span class="sourceLineNo">451</span> "this node. If this is due to an intermediary such as an HTTP load balancer or other proxy, your HBase " +<a name="line.451"></a> -<span class="sourceLineNo">452</span> "administrator can set '" + MASTER_HOSTNAME_KEY + "' to point to the correct hostname.");<a name="line.452"></a> -<span class="sourceLineNo">453</span> return;<a name="line.453"></a> -<span class="sourceLineNo">454</span> }<a name="line.454"></a> -<span class="sourceLineNo">455</span> }<a name="line.455"></a> -<span class="sourceLineNo">456</span> // TODO this scheme should come from looking at the scheme registered in the infoserver's http server for the<a name="line.456"></a> -<span class="sourceLineNo">457</span> // host and port we're using, but it's buried way too deep to do that ATM.<a name="line.457"></a> -<span class="sourceLineNo">458</span> String redirectUrl = request.getScheme() + "://"<a name="line.458"></a> -<span class="sourceLineNo">459</span> + redirectHost + ":" + regionServerInfoPort<a name="line.459"></a> -<span class="sourceLineNo">460</span> + request.getRequestURI();<a name="line.460"></a> -<span class="sourceLineNo">461</span> response.sendRedirect(redirectUrl);<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> }<a name="line.463"></a> -<span class="sourceLineNo">464</span><a name="line.464"></a> -<span class="sourceLineNo">465</span> /**<a name="line.465"></a> -<span class="sourceLineNo">466</span> * Initializes the HMaster. The steps are as follows:<a name="line.466"></a> -<span class="sourceLineNo">467</span> * <p><a name="line.467"></a> -<span class="sourceLineNo">468</span> * <ol><a name="line.468"></a> -<span class="sourceLineNo">469</span> * <li>Initialize the local HRegionServer<a name="line.469"></a> -<span class="sourceLineNo">470</span> * <li>Start the ActiveMasterManager.<a name="line.470"></a> -<span class="sourceLineNo">471</span> * </ol><a name="line.471"></a> -<span class="sourceLineNo">472</span> * <p><a name="line.472"></a> -<span class="sourceLineNo">473</span> * Remaining steps of initialization occur in<a name="line.473"></a> -<span class="sourceLineNo">474</span> * #finishActiveMasterInitialization(MonitoredTask) after<a name="line.474"></a> -<span class="sourceLineNo">475</span> * the master becomes the active one.<a name="line.475"></a> -<span class="sourceLineNo">476</span> */<a name="line.476"></a> -<span class="sourceLineNo">477</span> public HMaster(final Configuration conf)<a name="line.477"></a> -<span class="sourceLineNo">478</span> throws IOException, KeeperException {<a name="line.478"></a> -<span class="sourceLineNo">479</span> super(conf);<a name="line.479"></a> -<span class="sourceLineNo">480</span> TraceUtil.initTracer(conf);<a name="line.480"></a> -<span class="sourceLineNo">481</span> try {<a name="line.481"></a> -<span class="sourceLineNo">482</span> this.rsFatals = new MemoryBoundedLogMessageBuffer(<a name="line.482"></a> -<span class="sourceLineNo">483</span> conf.getLong("hbase.master.buffer.for.rs.fatals", 1 * 1024 * 1024));<a name="line.483"></a> -<span class="sourceLineNo">484</span> LOG.info("hbase.rootdir=" + getRootDir() +<a name="line.484"></a> -<span class="sourceLineNo">485</span> ", hbase.cluster.distributed=" + this.conf.getBoolean(HConstants.CLUSTER_DISTRIBUTED, false));<a name="line.485"></a> -<span class="sourceLineNo">486</span><a name="line.486"></a> -<span class="sourceLineNo">487</span> // Disable usage of meta replicas in the master<a name="line.487"></a> -<span class="sourceLineNo">488</span> this.conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.488"></a> -<span class="sourceLineNo">489</span><a name="line.489"></a> -<span class="sourceLineNo">490</span> decorateMasterConfiguration(this.conf);<a name="line.490"></a> -<span class="sourceLineNo">491</span><a name="line.491"></a> -<span class="sourceLineNo">492</span> // Hack! Maps DFSClient => Master for logs. 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all ZK based system trackers.<a name="line.719"></a> -<span class="sourceLineNo">720</span> */<a name="line.720"></a> -<span class="sourceLineNo">721</span> void initializeZKBasedSystemTrackers() throws IOException, InterruptedException, KeeperException,<a name="line.721"></a> -<span class="sourceLineNo">722</span> ReplicationException {<a name="line.722"></a> -<span class="sourceLineNo">723</span> this.balancer = LoadBalancerFactory.getLoadBalancer(conf);<a name="line.723"></a> -<span class="sourceLineNo">724</span> this.normalizer = RegionNormalizerFactory.getRegionNormalizer(conf);<a name="line.724"></a> -<span class="sourceLineNo">725</span> this.normalizer.setMasterServices(this);<a name="line.725"></a> -<span class="sourceLineNo">726</span> this.normalizer.setMasterRpcServices((MasterRpcServices)rpcServices);<a name="line.726"></a> -<span class="sourceLineNo">727</span> this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);<a name="line.727"></a> -<span 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this.assignmentManager.start();<a name="line.738"></a> -<span class="sourceLineNo">739</span><a name="line.739"></a> -<span class="sourceLineNo">740</span> this.replicationPeerManager = ReplicationPeerManager.create(zooKeeper, conf);<a name="line.740"></a> -<span class="sourceLineNo">741</span><a name="line.741"></a> -<span class="sourceLineNo">742</span> this.regionServerTracker = new RegionServerTracker(zooKeeper, this, this.serverManager);<a name="line.742"></a> -<span class="sourceLineNo">743</span> this.regionServerTracker.start();<a name="line.743"></a> -<span class="sourceLineNo">744</span><a name="line.744"></a> -<span class="sourceLineNo">745</span> this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this, this.serverManager);<a name="line.745"></a> -<span class="sourceLineNo">746</span> this.drainingServerTracker.start();<a name="line.746"></a> -<span class="sourceLineNo">747</span><a name="line.747"></a> -<span class="sourceLineNo">748</span> 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Shouldn't be so cryptic!<a name="line.824"></a> -<span class="sourceLineNo">825</span> // hbase.mirror.table.state.to.zookeeper is so hbase1 clients can connect. They read table<a name="line.825"></a> -<span class="sourceLineNo">826</span> // state from zookeeper while hbase2 reads it from hbase:meta. 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1000.0f));<a name="line.932"></a> -<span class="sourceLineNo">933</span> this.masterFinishedInitializationTime = System.currentTimeMillis();<a name="line.933"></a> -<span class="sourceLineNo">934</span> configurationManager.registerObserver(this.balancer);<a name="line.934"></a> -<span class="sourceLineNo">935</span> configurationManager.registerObserver(this.hfileCleaner);<a name="line.935"></a> -<span class="sourceLineNo">936</span> configurationManager.registerObserver(this.logCleaner);<a name="line.936"></a> -<span class="sourceLineNo">937</span> // Set master as 'initialized'.<a name="line.937"></a> -<span class="sourceLineNo">938</span> setInitialized(true);<a name="line.938"></a> -<span class="sourceLineNo">939</span> assignmentManager.checkIfShouldMoveSystemRegionAsync();<a name="line.939"></a> -<span class="sourceLineNo">940</span> status.setStatus("Assign meta replicas");<a name="line.940"></a> -<span class="sourceLineNo">941</span> metaBootstrap.assignMetaReplicas();<a name="line.941"></a> -<span class="sourceLineNo">942</span> status.setStatus("Starting quota manager");<a name="line.942"></a> -<span class="sourceLineNo">943</span> initQuotaManager();<a name="line.943"></a> -<span class="sourceLineNo">944</span> if (QuotaUtil.isQuotaEnabled(conf)) {<a name="line.944"></a> -<span class="sourceLineNo">945</span> // Create the quota snapshot notifier<a name="line.945"></a> -<span class="sourceLineNo">946</span> spaceQuotaSnapshotNotifier = createQuotaSnapshotNotifier();<a name="line.946"></a> -<span class="sourceLineNo">947</span> spaceQuotaSnapshotNotifier.initialize(getClusterConnection());<a name="line.947"></a> -<span class="sourceLineNo">948</span> this.quotaObserverChore = new QuotaObserverChore(this, getMasterMetrics());<a name="line.948"></a> -<span class="sourceLineNo">949</span> // Start the chore to read the region FS space reports and act on them<a name="line.949"></a> -<span class="sourceLineNo">950</span> getChoreService().scheduleChore(quotaObserverChore);<a name="line.950"></a> -<span class="sourceLineNo">951</span><a name="line.951"></a> -<span class="sourceLineNo">952</span> this.snapshotQuotaChore = new SnapshotQuotaObserverChore(this, getMasterMetrics());<a name="line.952"></a> -<span class="sourceLineNo">953</span> // Start the chore to read snapshots and add their usage to table
<TRUNCATED>
