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 2018/07/06 14:49:16 UTC
[08/17] hbase-site git commit: Published site at
1ade4d2f440a629968d41487bf27062a7e22f08b.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f6b26c52/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
index 18136bc9..a5d418c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html
@@ -66,21 +66,21 @@
<span class="sourceLineNo">058</span>import org.apache.commons.lang3.StringUtils;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.apache.hadoop.conf.Configuration;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hadoop.fs.Path;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.ClusterId;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.ClusterMetrics;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.ClusterMetricsBuilder;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.HConstants;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.InvalidFamilyOperationException;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.ReplicationPeerNotFoundException;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.75"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.ChoreService;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.ClusterId;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.ClusterMetrics;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.ClusterMetricsBuilder;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.HConstants;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.InvalidFamilyOperationException;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.ReplicationPeerNotFoundException;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.ServerName;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.TableName;<a name="line.78"></a>
@@ -1277,2505 +1277,2501 @@
<span class="sourceLineNo">1269</span> }<a name="line.1269"></a>
<span class="sourceLineNo">1270</span> }<a name="line.1270"></a>
<span class="sourceLineNo">1271</span><a name="line.1271"></a>
-<span class="sourceLineNo">1272</span> private void cancelChore(ScheduledChore chore) {<a name="line.1272"></a>
-<span class="sourceLineNo">1273</span> if (chore != null) {<a name="line.1273"></a>
-<span class="sourceLineNo">1274</span> chore.cancel();<a name="line.1274"></a>
-<span class="sourceLineNo">1275</span> }<a name="line.1275"></a>
-<span class="sourceLineNo">1276</span> }<a name="line.1276"></a>
-<span class="sourceLineNo">1277</span><a name="line.1277"></a>
-<span class="sourceLineNo">1278</span> @Override<a name="line.1278"></a>
-<span class="sourceLineNo">1279</span> protected void stopServiceThreads() {<a name="line.1279"></a>
-<span class="sourceLineNo">1280</span> if (masterJettyServer != null) {<a name="line.1280"></a>
-<span class="sourceLineNo">1281</span> LOG.info("Stopping master jetty server");<a name="line.1281"></a>
-<span class="sourceLineNo">1282</span> try {<a name="line.1282"></a>
-<span class="sourceLineNo">1283</span> masterJettyServer.stop();<a name="line.1283"></a>
-<span class="sourceLineNo">1284</span> } catch (Exception e) {<a name="line.1284"></a>
-<span class="sourceLineNo">1285</span> LOG.error("Failed to stop master jetty server", e);<a name="line.1285"></a>
-<span class="sourceLineNo">1286</span> }<a name="line.1286"></a>
-<span class="sourceLineNo">1287</span> }<a name="line.1287"></a>
-<span class="sourceLineNo">1288</span> super.stopServiceThreads();<a name="line.1288"></a>
-<span class="sourceLineNo">1289</span> stopChores();<a name="line.1289"></a>
-<span class="sourceLineNo">1290</span> CleanerChore.shutDownChorePool();<a name="line.1290"></a>
-<span class="sourceLineNo">1291</span><a name="line.1291"></a>
-<span class="sourceLineNo">1292</span> LOG.debug("Stopping service threads");<a name="line.1292"></a>
-<span class="sourceLineNo">1293</span><a name="line.1293"></a>
-<span class="sourceLineNo">1294</span> if (this.quotaManager != null) {<a name="line.1294"></a>
-<span class="sourceLineNo">1295</span> this.quotaManager.stop();<a name="line.1295"></a>
-<span class="sourceLineNo">1296</span> }<a name="line.1296"></a>
-<span class="sourceLineNo">1297</span><a name="line.1297"></a>
-<span class="sourceLineNo">1298</span> if (this.activeMasterManager != null) {<a name="line.1298"></a>
-<span class="sourceLineNo">1299</span> this.activeMasterManager.stop();<a name="line.1299"></a>
+<span class="sourceLineNo">1272</span> @Override<a name="line.1272"></a>
+<span class="sourceLineNo">1273</span> protected void stopServiceThreads() {<a name="line.1273"></a>
+<span class="sourceLineNo">1274</span> if (masterJettyServer != null) {<a name="line.1274"></a>
+<span class="sourceLineNo">1275</span> LOG.info("Stopping master jetty server");<a name="line.1275"></a>
+<span class="sourceLineNo">1276</span> try {<a name="line.1276"></a>
+<span class="sourceLineNo">1277</span> masterJettyServer.stop();<a name="line.1277"></a>
+<span class="sourceLineNo">1278</span> } catch (Exception e) {<a name="line.1278"></a>
+<span class="sourceLineNo">1279</span> LOG.error("Failed to stop master jetty server", e);<a name="line.1279"></a>
+<span class="sourceLineNo">1280</span> }<a name="line.1280"></a>
+<span class="sourceLineNo">1281</span> }<a name="line.1281"></a>
+<span class="sourceLineNo">1282</span> stopChores();<a name="line.1282"></a>
+<span class="sourceLineNo">1283</span> if (this.mobCompactThread != null) {<a name="line.1283"></a>
+<span class="sourceLineNo">1284</span> this.mobCompactThread.close();<a name="line.1284"></a>
+<span class="sourceLineNo">1285</span> }<a name="line.1285"></a>
+<span class="sourceLineNo">1286</span> super.stopServiceThreads();<a name="line.1286"></a>
+<span class="sourceLineNo">1287</span> CleanerChore.shutDownChorePool();<a name="line.1287"></a>
+<span class="sourceLineNo">1288</span><a name="line.1288"></a>
+<span class="sourceLineNo">1289</span> LOG.debug("Stopping service threads");<a name="line.1289"></a>
+<span class="sourceLineNo">1290</span><a name="line.1290"></a>
+<span class="sourceLineNo">1291</span> if (this.quotaManager != null) {<a name="line.1291"></a>
+<span class="sourceLineNo">1292</span> this.quotaManager.stop();<a name="line.1292"></a>
+<span class="sourceLineNo">1293</span> }<a name="line.1293"></a>
+<span class="sourceLineNo">1294</span><a name="line.1294"></a>
+<span class="sourceLineNo">1295</span> if (this.activeMasterManager != null) {<a name="line.1295"></a>
+<span class="sourceLineNo">1296</span> this.activeMasterManager.stop();<a name="line.1296"></a>
+<span class="sourceLineNo">1297</span> }<a name="line.1297"></a>
+<span class="sourceLineNo">1298</span> if (this.serverManager != null) {<a name="line.1298"></a>
+<span class="sourceLineNo">1299</span> this.serverManager.stop();<a name="line.1299"></a>
<span class="sourceLineNo">1300</span> }<a name="line.1300"></a>
-<span class="sourceLineNo">1301</span> if (this.serverManager != null) {<a name="line.1301"></a>
-<span class="sourceLineNo">1302</span> this.serverManager.stop();<a name="line.1302"></a>
+<span class="sourceLineNo">1301</span> if (this.assignmentManager != null) {<a name="line.1301"></a>
+<span class="sourceLineNo">1302</span> this.assignmentManager.stop();<a name="line.1302"></a>
<span class="sourceLineNo">1303</span> }<a name="line.1303"></a>
-<span class="sourceLineNo">1304</span> if (this.assignmentManager != null) {<a name="line.1304"></a>
-<span class="sourceLineNo">1305</span> this.assignmentManager.stop();<a name="line.1305"></a>
-<span class="sourceLineNo">1306</span> }<a name="line.1306"></a>
-<span class="sourceLineNo">1307</span><a name="line.1307"></a>
-<span class="sourceLineNo">1308</span> stopProcedureExecutor();<a name="line.1308"></a>
-<span class="sourceLineNo">1309</span><a name="line.1309"></a>
-<span class="sourceLineNo">1310</span> if (this.walManager != null) {<a name="line.1310"></a>
-<span class="sourceLineNo">1311</span> this.walManager.stop();<a name="line.1311"></a>
+<span class="sourceLineNo">1304</span><a name="line.1304"></a>
+<span class="sourceLineNo">1305</span> stopProcedureExecutor();<a name="line.1305"></a>
+<span class="sourceLineNo">1306</span><a name="line.1306"></a>
+<span class="sourceLineNo">1307</span> if (this.walManager != null) {<a name="line.1307"></a>
+<span class="sourceLineNo">1308</span> this.walManager.stop();<a name="line.1308"></a>
+<span class="sourceLineNo">1309</span> }<a name="line.1309"></a>
+<span class="sourceLineNo">1310</span> if (this.fileSystemManager != null) {<a name="line.1310"></a>
+<span class="sourceLineNo">1311</span> this.fileSystemManager.stop();<a name="line.1311"></a>
<span class="sourceLineNo">1312</span> }<a name="line.1312"></a>
-<span class="sourceLineNo">1313</span> if (this.fileSystemManager != null) {<a name="line.1313"></a>
-<span class="sourceLineNo">1314</span> this.fileSystemManager.stop();<a name="line.1314"></a>
+<span class="sourceLineNo">1313</span> if (this.mpmHost != null) {<a name="line.1313"></a>
+<span class="sourceLineNo">1314</span> this.mpmHost.stop("server shutting down.");<a name="line.1314"></a>
<span class="sourceLineNo">1315</span> }<a name="line.1315"></a>
-<span class="sourceLineNo">1316</span> if (this.mpmHost != null) {<a name="line.1316"></a>
-<span class="sourceLineNo">1317</span> this.mpmHost.stop("server shutting down.");<a name="line.1317"></a>
+<span class="sourceLineNo">1316</span> if (this.regionServerTracker != null) {<a name="line.1316"></a>
+<span class="sourceLineNo">1317</span> this.regionServerTracker.stop();<a name="line.1317"></a>
<span class="sourceLineNo">1318</span> }<a name="line.1318"></a>
-<span class="sourceLineNo">1319</span> if (this.regionServerTracker != null) {<a name="line.1319"></a>
-<span class="sourceLineNo">1320</span> this.regionServerTracker.stop();<a name="line.1320"></a>
-<span class="sourceLineNo">1321</span> }<a name="line.1321"></a>
-<span class="sourceLineNo">1322</span> }<a name="line.1322"></a>
-<span class="sourceLineNo">1323</span><a name="line.1323"></a>
-<span class="sourceLineNo">1324</span> private void createProcedureExecutor() throws IOException {<a name="line.1324"></a>
-<span class="sourceLineNo">1325</span> MasterProcedureEnv procEnv = new MasterProcedureEnv(this);<a name="line.1325"></a>
-<span class="sourceLineNo">1326</span> procedureStore =<a name="line.1326"></a>
-<span class="sourceLineNo">1327</span> new WALProcedureStore(conf, new MasterProcedureEnv.WALStoreLeaseRecovery(this));<a name="line.1327"></a>
-<span class="sourceLineNo">1328</span> procedureStore.registerListener(new MasterProcedureEnv.MasterProcedureStoreListener(this));<a name="line.1328"></a>
-<span class="sourceLineNo">1329</span> MasterProcedureScheduler procedureScheduler = procEnv.getProcedureScheduler();<a name="line.1329"></a>
-<span class="sourceLineNo">1330</span> procedureExecutor = new ProcedureExecutor<>(conf, procEnv, procedureStore, procedureScheduler);<a name="line.1330"></a>
-<span class="sourceLineNo">1331</span> configurationManager.registerObserver(procEnv);<a name="line.1331"></a>
-<span class="sourceLineNo">1332</span><a name="line.1332"></a>
-<span class="sourceLineNo">1333</span> int cpus = Runtime.getRuntime().availableProcessors();<a name="line.1333"></a>
-<span class="sourceLineNo">1334</span> final int numThreads = conf.getInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, Math.max(<a name="line.1334"></a>
-<span class="sourceLineNo">1335</span> (cpus > 0 ? cpus / 4 : 0), MasterProcedureConstants.DEFAULT_MIN_MASTER_PROCEDURE_THREADS));<a name="line.1335"></a>
-<span class="sourceLineNo">1336</span> final boolean abortOnCorruption =<a name="line.1336"></a>
-<span class="sourceLineNo">1337</span> conf.getBoolean(MasterProcedureConstants.EXECUTOR_ABORT_ON_CORRUPTION,<a name="line.1337"></a>
-<span class="sourceLineNo">1338</span> MasterProcedureConstants.DEFAULT_EXECUTOR_ABORT_ON_CORRUPTION);<a name="line.1338"></a>
-<span class="sourceLineNo">1339</span> procedureStore.start(numThreads);<a name="line.1339"></a>
-<span class="sourceLineNo">1340</span> // Just initialize it but do not start the workers, we will start the workers later by calling<a name="line.1340"></a>
-<span class="sourceLineNo">1341</span> // startProcedureExecutor. See the javadoc for finishActiveMasterInitialization for more<a name="line.1341"></a>
-<span class="sourceLineNo">1342</span> // details.<a name="line.1342"></a>
-<span class="sourceLineNo">1343</span> procedureExecutor.init(numThreads, abortOnCorruption);<a name="line.1343"></a>
-<span class="sourceLineNo">1344</span> procEnv.getRemoteDispatcher().start();<a name="line.1344"></a>
-<span class="sourceLineNo">1345</span> }<a name="line.1345"></a>
-<span class="sourceLineNo">1346</span><a name="line.1346"></a>
-<span class="sourceLineNo">1347</span> private void startProcedureExecutor() throws IOException {<a name="line.1347"></a>
-<span class="sourceLineNo">1348</span> procedureExecutor.startWorkers();<a name="line.1348"></a>
-<span class="sourceLineNo">1349</span> }<a name="line.1349"></a>
-<span class="sourceLineNo">1350</span><a name="line.1350"></a>
-<span class="sourceLineNo">1351</span> private void stopProcedureExecutor() {<a name="line.1351"></a>
-<span class="sourceLineNo">1352</span> if (procedureExecutor != null) {<a name="line.1352"></a>
-<span class="sourceLineNo">1353</span> configurationManager.deregisterObserver(procedureExecutor.getEnvironment());<a name="line.1353"></a>
-<span class="sourceLineNo">1354</span> procedureExecutor.getEnvironment().getRemoteDispatcher().stop();<a name="line.1354"></a>
-<span class="sourceLineNo">1355</span> procedureExecutor.stop();<a name="line.1355"></a>
-<span class="sourceLineNo">1356</span> procedureExecutor.join();<a name="line.1356"></a>
-<span class="sourceLineNo">1357</span> procedureExecutor = null;<a name="line.1357"></a>
-<span class="sourceLineNo">1358</span> }<a name="line.1358"></a>
-<span class="sourceLineNo">1359</span><a name="line.1359"></a>
-<span class="sourceLineNo">1360</span> if (procedureStore != null) {<a name="line.1360"></a>
-<span class="sourceLineNo">1361</span> procedureStore.stop(isAborted());<a name="line.1361"></a>
-<span class="sourceLineNo">1362</span> procedureStore = null;<a name="line.1362"></a>
-<span class="sourceLineNo">1363</span> }<a name="line.1363"></a>
-<span class="sourceLineNo">1364</span> }<a name="line.1364"></a>
-<span class="sourceLineNo">1365</span><a name="line.1365"></a>
-<span class="sourceLineNo">1366</span> private void stopChores() {<a name="line.1366"></a>
-<span class="sourceLineNo">1367</span> cancelChore(this.expiredMobFileCleanerChore);<a name="line.1367"></a>
-<span class="sourceLineNo">1368</span> cancelChore(this.mobCompactChore);<a name="line.1368"></a>
-<span class="sourceLineNo">1369</span> cancelChore(this.balancerChore);<a name="line.1369"></a>
-<span class="sourceLineNo">1370</span> cancelChore(this.normalizerChore);<a name="line.1370"></a>
-<span class="sourceLineNo">1371</span> cancelChore(this.clusterStatusChore);<a name="line.1371"></a>
-<span class="sourceLineNo">1372</span> cancelChore(this.catalogJanitorChore);<a name="line.1372"></a>
-<span class="sourceLineNo">1373</span> cancelChore(this.clusterStatusPublisherChore);<a name="line.1373"></a>
-<span class="sourceLineNo">1374</span> if (this.mobCompactThread != null) {<a name="line.1374"></a>
-<span class="sourceLineNo">1375</span> this.mobCompactThread.close();<a name="line.1375"></a>
-<span class="sourceLineNo">1376</span> }<a name="line.1376"></a>
-<span class="sourceLineNo">1377</span> cancelChore(this.clusterStatusPublisherChore);<a name="line.1377"></a>
-<span class="sourceLineNo">1378</span> cancelChore(this.snapshotQuotaChore);<a name="line.1378"></a>
-<span class="sourceLineNo">1379</span> cancelChore(this.logCleaner);<a name="line.1379"></a>
-<span class="sourceLineNo">1380</span> cancelChore(this.hfileCleaner);<a name="line.1380"></a>
-<span class="sourceLineNo">1381</span> cancelChore(this.replicationBarrierCleaner);<a name="line.1381"></a>
-<span class="sourceLineNo">1382</span> }<a name="line.1382"></a>
-<span class="sourceLineNo">1383</span><a name="line.1383"></a>
-<span class="sourceLineNo">1384</span> /**<a name="line.1384"></a>
-<span class="sourceLineNo">1385</span> * @return Get remote side's InetAddress<a name="line.1385"></a>
-<span class="sourceLineNo">1386</span> */<a name="line.1386"></a>
-<span class="sourceLineNo">1387</span> InetAddress getRemoteInetAddress(final int port,<a name="line.1387"></a>
-<span class="sourceLineNo">1388</span> final long serverStartCode) throws UnknownHostException {<a name="line.1388"></a>
-<span class="sourceLineNo">1389</span> // Do it out here in its own little method so can fake an address when<a name="line.1389"></a>
-<span class="sourceLineNo">1390</span> // mocking up in tests.<a name="line.1390"></a>
-<span class="sourceLineNo">1391</span> InetAddress ia = RpcServer.getRemoteIp();<a name="line.1391"></a>
-<span class="sourceLineNo">1392</span><a name="line.1392"></a>
-<span class="sourceLineNo">1393</span> // The call could be from the local regionserver,<a name="line.1393"></a>
-<span class="sourceLineNo">1394</span> // in which case, there is no remote address.<a name="line.1394"></a>
-<span class="sourceLineNo">1395</span> if (ia == null && serverStartCode == startcode) {<a name="line.1395"></a>
-<span class="sourceLineNo">1396</span> InetSocketAddress isa = rpcServices.getSocketAddress();<a name="line.1396"></a>
-<span class="sourceLineNo">1397</span> if (isa != null && isa.getPort() == port) {<a name="line.1397"></a>
-<span class="sourceLineNo">1398</span> ia = isa.getAddress();<a name="line.1398"></a>
-<span class="sourceLineNo">1399</span> }<a name="line.1399"></a>
-<span class="sourceLineNo">1400</span> }<a name="line.1400"></a>
-<span class="sourceLineNo">1401</span> return ia;<a name="line.1401"></a>
-<span class="sourceLineNo">1402</span> }<a name="line.1402"></a>
-<span class="sourceLineNo">1403</span><a name="line.1403"></a>
-<span class="sourceLineNo">1404</span> /**<a name="line.1404"></a>
-<span class="sourceLineNo">1405</span> * @return Maximum time we should run balancer for<a name="line.1405"></a>
-<span class="sourceLineNo">1406</span> */<a name="line.1406"></a>
-<span class="sourceLineNo">1407</span> private int getMaxBalancingTime() {<a name="line.1407"></a>
-<span class="sourceLineNo">1408</span> int maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_MAX_BALANCING, -1);<a name="line.1408"></a>
-<span class="sourceLineNo">1409</span> if (maxBalancingTime == -1) {<a name="line.1409"></a>
-<span class="sourceLineNo">1410</span> // if max balancing time isn't set, defaulting it to period time<a name="line.1410"></a>
-<span class="sourceLineNo">1411</span> maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_PERIOD,<a name="line.1411"></a>
-<span class="sourceLineNo">1412</span> HConstants.DEFAULT_HBASE_BALANCER_PERIOD);<a name="line.1412"></a>
-<span class="sourceLineNo">1413</span> }<a name="line.1413"></a>
-<span class="sourceLineNo">1414</span> return maxBalancingTime;<a name="line.1414"></a>
-<span class="sourceLineNo">1415</span> }<a name="line.1415"></a>
-<span class="sourceLineNo">1416</span><a name="line.1416"></a>
-<span class="sourceLineNo">1417</span> /**<a name="line.1417"></a>
-<span class="sourceLineNo">1418</span> * @return Maximum number of regions in transition<a name="line.1418"></a>
-<span class="sourceLineNo">1419</span> */<a name="line.1419"></a>
-<span class="sourceLineNo">1420</span> private int getMaxRegionsInTransition() {<a name="line.1420"></a>
-<span class="sourceLineNo">1421</span> int numRegions = this.assignmentManager.getRegionStates().getRegionAssignments().size();<a name="line.1421"></a>
-<span class="sourceLineNo">1422</span> return Math.max((int) Math.floor(numRegions * this.maxRitPercent), 1);<a name="line.1422"></a>
-<span class="sourceLineNo">1423</span> }<a name="line.1423"></a>
-<span class="sourceLineNo">1424</span><a name="line.1424"></a>
-<span class="sourceLineNo">1425</span> /**<a name="line.1425"></a>
-<span class="sourceLineNo">1426</span> * It first sleep to the next balance plan start time. Meanwhile, throttling by the max<a name="line.1426"></a>
-<span class="sourceLineNo">1427</span> * number regions in transition to protect availability.<a name="line.1427"></a>
-<span class="sourceLineNo">1428</span> * @param nextBalanceStartTime The next balance plan start time<a name="line.1428"></a>
-<span class="sourceLineNo">1429</span> * @param maxRegionsInTransition max number of regions in transition<a name="line.1429"></a>
-<span class="sourceLineNo">1430</span> * @param cutoffTime when to exit balancer<a name="line.1430"></a>
-<span class="sourceLineNo">1431</span> */<a name="line.1431"></a>
-<span class="sourceLineNo">1432</span> private void balanceThrottling(long nextBalanceStartTime, int maxRegionsInTransition,<a name="line.1432"></a>
-<span class="sourceLineNo">1433</span> long cutoffTime) {<a name="line.1433"></a>
-<span class="sourceLineNo">1434</span> boolean interrupted = false;<a name="line.1434"></a>
-<span class="sourceLineNo">1435</span><a name="line.1435"></a>
-<span class="sourceLineNo">1436</span> // Sleep to next balance plan start time<a name="line.1436"></a>
-<span class="sourceLineNo">1437</span> // But if there are zero regions in transition, it can skip sleep to speed up.<a name="line.1437"></a>
-<span class="sourceLineNo">1438</span> while (!interrupted && System.currentTimeMillis() < nextBalanceStartTime<a name="line.1438"></a>
-<span class="sourceLineNo">1439</span> && this.assignmentManager.getRegionStates().hasRegionsInTransition()) {<a name="line.1439"></a>
-<span class="sourceLineNo">1440</span> try {<a name="line.1440"></a>
-<span class="sourceLineNo">1441</span> Thread.sleep(100);<a name="line.1441"></a>
-<span class="sourceLineNo">1442</span> } catch (InterruptedException ie) {<a name="line.1442"></a>
-<span class="sourceLineNo">1443</span> interrupted = true;<a name="line.1443"></a>
-<span class="sourceLineNo">1444</span> }<a name="line.1444"></a>
-<span class="sourceLineNo">1445</span> }<a name="line.1445"></a>
-<span class="sourceLineNo">1446</span><a name="line.1446"></a>
-<span class="sourceLineNo">1447</span> // Throttling by max number regions in transition<a name="line.1447"></a>
-<span class="sourceLineNo">1448</span> while (!interrupted<a name="line.1448"></a>
-<span class="sourceLineNo">1449</span> && maxRegionsInTransition > 0<a name="line.1449"></a>
-<span class="sourceLineNo">1450</span> && this.assignmentManager.getRegionStates().getRegionsInTransitionCount()<a name="line.1450"></a>
-<span class="sourceLineNo">1451</span> >= maxRegionsInTransition && System.currentTimeMillis() <= cutoffTime) {<a name="line.1451"></a>
-<span class="sourceLineNo">1452</span> try {<a name="line.1452"></a>
-<span class="sourceLineNo">1453</span> // sleep if the number of regions in transition exceeds the limit<a name="line.1453"></a>
-<span class="sourceLineNo">1454</span> Thread.sleep(100);<a name="line.1454"></a>
-<span class="sourceLineNo">1455</span> } catch (InterruptedException ie) {<a name="line.1455"></a>
-<span class="sourceLineNo">1456</span> interrupted = true;<a name="line.1456"></a>
-<span class="sourceLineNo">1457</span> }<a name="line.1457"></a>
-<span class="sourceLineNo">1458</span> }<a name="line.1458"></a>
-<span class="sourceLineNo">1459</span><a name="line.1459"></a>
-<span class="sourceLineNo">1460</span> if (interrupted) Thread.currentThread().interrupt();<a name="line.1460"></a>
+<span class="sourceLineNo">1319</span> }<a name="line.1319"></a>
+<span class="sourceLineNo">1320</span><a name="line.1320"></a>
+<span class="sourceLineNo">1321</span> private void createProcedureExecutor() throws IOException {<a name="line.1321"></a>
+<span class="sourceLineNo">1322</span> MasterProcedureEnv procEnv = new MasterProcedureEnv(this);<a name="line.1322"></a>
+<span class="sourceLineNo">1323</span> procedureStore =<a name="line.1323"></a>
+<span class="sourceLineNo">1324</span> new WALProcedureStore(conf, new MasterProcedureEnv.WALStoreLeaseRecovery(this));<a name="line.1324"></a>
+<span class="sourceLineNo">1325</span> procedureStore.registerListener(new MasterProcedureEnv.MasterProcedureStoreListener(this));<a name="line.1325"></a>
+<span class="sourceLineNo">1326</span> MasterProcedureScheduler procedureScheduler = procEnv.getProcedureScheduler();<a name="line.1326"></a>
+<span class="sourceLineNo">1327</span> procedureExecutor = new ProcedureExecutor<>(conf, procEnv, procedureStore, procedureScheduler);<a name="line.1327"></a>
+<span class="sourceLineNo">1328</span> configurationManager.registerObserver(procEnv);<a name="line.1328"></a>
+<span class="sourceLineNo">1329</span><a name="line.1329"></a>
+<span class="sourceLineNo">1330</span> int cpus = Runtime.getRuntime().availableProcessors();<a name="line.1330"></a>
+<span class="sourceLineNo">1331</span> final int numThreads = conf.getInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, Math.max(<a name="line.1331"></a>
+<span class="sourceLineNo">1332</span> (cpus > 0 ? cpus / 4 : 0), MasterProcedureConstants.DEFAULT_MIN_MASTER_PROCEDURE_THREADS));<a name="line.1332"></a>
+<span class="sourceLineNo">1333</span> final boolean abortOnCorruption =<a name="line.1333"></a>
+<span class="sourceLineNo">1334</span> conf.getBoolean(MasterProcedureConstants.EXECUTOR_ABORT_ON_CORRUPTION,<a name="line.1334"></a>
+<span class="sourceLineNo">1335</span> MasterProcedureConstants.DEFAULT_EXECUTOR_ABORT_ON_CORRUPTION);<a name="line.1335"></a>
+<span class="sourceLineNo">1336</span> procedureStore.start(numThreads);<a name="line.1336"></a>
+<span class="sourceLineNo">1337</span> // Just initialize it but do not start the workers, we will start the workers later by calling<a name="line.1337"></a>
+<span class="sourceLineNo">1338</span> // startProcedureExecutor. See the javadoc for finishActiveMasterInitialization for more<a name="line.1338"></a>
+<span class="sourceLineNo">1339</span> // details.<a name="line.1339"></a>
+<span class="sourceLineNo">1340</span> procedureExecutor.init(numThreads, abortOnCorruption);<a name="line.1340"></a>
+<span class="sourceLineNo">1341</span> procEnv.getRemoteDispatcher().start();<a name="line.1341"></a>
+<span class="sourceLineNo">1342</span> }<a name="line.1342"></a>
+<span class="sourceLineNo">1343</span><a name="line.1343"></a>
+<span class="sourceLineNo">1344</span> private void startProcedureExecutor() throws IOException {<a name="line.1344"></a>
+<span class="sourceLineNo">1345</span> procedureExecutor.startWorkers();<a name="line.1345"></a>
+<span class="sourceLineNo">1346</span> }<a name="line.1346"></a>
+<span class="sourceLineNo">1347</span><a name="line.1347"></a>
+<span class="sourceLineNo">1348</span> private void stopProcedureExecutor() {<a name="line.1348"></a>
+<span class="sourceLineNo">1349</span> if (procedureExecutor != null) {<a name="line.1349"></a>
+<span class="sourceLineNo">1350</span> configurationManager.deregisterObserver(procedureExecutor.getEnvironment());<a name="line.1350"></a>
+<span class="sourceLineNo">1351</span> procedureExecutor.getEnvironment().getRemoteDispatcher().stop();<a name="line.1351"></a>
+<span class="sourceLineNo">1352</span> procedureExecutor.stop();<a name="line.1352"></a>
+<span class="sourceLineNo">1353</span> procedureExecutor.join();<a name="line.1353"></a>
+<span class="sourceLineNo">1354</span> procedureExecutor = null;<a name="line.1354"></a>
+<span class="sourceLineNo">1355</span> }<a name="line.1355"></a>
+<span class="sourceLineNo">1356</span><a name="line.1356"></a>
+<span class="sourceLineNo">1357</span> if (procedureStore != null) {<a name="line.1357"></a>
+<span class="sourceLineNo">1358</span> procedureStore.stop(isAborted());<a name="line.1358"></a>
+<span class="sourceLineNo">1359</span> procedureStore = null;<a name="line.1359"></a>
+<span class="sourceLineNo">1360</span> }<a name="line.1360"></a>
+<span class="sourceLineNo">1361</span> }<a name="line.1361"></a>
+<span class="sourceLineNo">1362</span><a name="line.1362"></a>
+<span class="sourceLineNo">1363</span> private void stopChores() {<a name="line.1363"></a>
+<span class="sourceLineNo">1364</span> ChoreService choreService = getChoreService();<a name="line.1364"></a>
+<span class="sourceLineNo">1365</span> if (choreService != null) {<a name="line.1365"></a>
+<span class="sourceLineNo">1366</span> choreService.cancelChore(this.expiredMobFileCleanerChore);<a name="line.1366"></a>
+<span class="sourceLineNo">1367</span> choreService.cancelChore(this.mobCompactChore);<a name="line.1367"></a>
+<span class="sourceLineNo">1368</span> choreService.cancelChore(this.balancerChore);<a name="line.1368"></a>
+<span class="sourceLineNo">1369</span> choreService.cancelChore(this.normalizerChore);<a name="line.1369"></a>
+<span class="sourceLineNo">1370</span> choreService.cancelChore(this.clusterStatusChore);<a name="line.1370"></a>
+<span class="sourceLineNo">1371</span> choreService.cancelChore(this.catalogJanitorChore);<a name="line.1371"></a>
+<span class="sourceLineNo">1372</span> choreService.cancelChore(this.clusterStatusPublisherChore);<a name="line.1372"></a>
+<span class="sourceLineNo">1373</span> choreService.cancelChore(this.snapshotQuotaChore);<a name="line.1373"></a>
+<span class="sourceLineNo">1374</span> choreService.cancelChore(this.logCleaner);<a name="line.1374"></a>
+<span class="sourceLineNo">1375</span> choreService.cancelChore(this.hfileCleaner);<a name="line.1375"></a>
+<span class="sourceLineNo">1376</span> choreService.cancelChore(this.replicationBarrierCleaner);<a name="line.1376"></a>
+<span class="sourceLineNo">1377</span> }<a name="line.1377"></a>
+<span class="sourceLineNo">1378</span> }<a name="line.1378"></a>
+<span class="sourceLineNo">1379</span><a name="line.1379"></a>
+<span class="sourceLineNo">1380</span> /**<a name="line.1380"></a>
+<span class="sourceLineNo">1381</span> * @return Get remote side's InetAddress<a name="line.1381"></a>
+<span class="sourceLineNo">1382</span> */<a name="line.1382"></a>
+<span class="sourceLineNo">1383</span> InetAddress getRemoteInetAddress(final int port,<a name="line.1383"></a>
+<span class="sourceLineNo">1384</span> final long serverStartCode) throws UnknownHostException {<a name="line.1384"></a>
+<span class="sourceLineNo">1385</span> // Do it out here in its own little method so can fake an address when<a name="line.1385"></a>
+<span class="sourceLineNo">1386</span> // mocking up in tests.<a name="line.1386"></a>
+<span class="sourceLineNo">1387</span> InetAddress ia = RpcServer.getRemoteIp();<a name="line.1387"></a>
+<span class="sourceLineNo">1388</span><a name="line.1388"></a>
+<span class="sourceLineNo">1389</span> // The call could be from the local regionserver,<a name="line.1389"></a>
+<span class="sourceLineNo">1390</span> // in which case, there is no remote address.<a name="line.1390"></a>
+<span class="sourceLineNo">1391</span> if (ia == null && serverStartCode == startcode) {<a name="line.1391"></a>
+<span class="sourceLineNo">1392</span> InetSocketAddress isa = rpcServices.getSocketAddress();<a name="line.1392"></a>
+<span class="sourceLineNo">1393</span> if (isa != null && isa.getPort() == port) {<a name="line.1393"></a>
+<span class="sourceLineNo">1394</span> ia = isa.getAddress();<a name="line.1394"></a>
+<span class="sourceLineNo">1395</span> }<a name="line.1395"></a>
+<span class="sourceLineNo">1396</span> }<a name="line.1396"></a>
+<span class="sourceLineNo">1397</span> return ia;<a name="line.1397"></a>
+<span class="sourceLineNo">1398</span> }<a name="line.1398"></a>
+<span class="sourceLineNo">1399</span><a name="line.1399"></a>
+<span class="sourceLineNo">1400</span> /**<a name="line.1400"></a>
+<span class="sourceLineNo">1401</span> * @return Maximum time we should run balancer for<a name="line.1401"></a>
+<span class="sourceLineNo">1402</span> */<a name="line.1402"></a>
+<span class="sourceLineNo">1403</span> private int getMaxBalancingTime() {<a name="line.1403"></a>
+<span class="sourceLineNo">1404</span> int maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_MAX_BALANCING, -1);<a name="line.1404"></a>
+<span class="sourceLineNo">1405</span> if (maxBalancingTime == -1) {<a name="line.1405"></a>
+<span class="sourceLineNo">1406</span> // if max balancing time isn't set, defaulting it to period time<a name="line.1406"></a>
+<span class="sourceLineNo">1407</span> maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_PERIOD,<a name="line.1407"></a>
+<span class="sourceLineNo">1408</span> HConstants.DEFAULT_HBASE_BALANCER_PERIOD);<a name="line.1408"></a>
+<span class="sourceLineNo">1409</span> }<a name="line.1409"></a>
+<span class="sourceLineNo">1410</span> return maxBalancingTime;<a name="line.1410"></a>
+<span class="sourceLineNo">1411</span> }<a name="line.1411"></a>
+<span class="sourceLineNo">1412</span><a name="line.1412"></a>
+<span class="sourceLineNo">1413</span> /**<a name="line.1413"></a>
+<span class="sourceLineNo">1414</span> * @return Maximum number of regions in transition<a name="line.1414"></a>
+<span class="sourceLineNo">1415</span> */<a name="line.1415"></a>
+<span class="sourceLineNo">1416</span> private int getMaxRegionsInTransition() {<a name="line.1416"></a>
+<span class="sourceLineNo">1417</span> int numRegions = this.assignmentManager.getRegionStates().getRegionAssignments().size();<a name="line.1417"></a>
+<span class="sourceLineNo">1418</span> return Math.max((int) Math.floor(numRegions * this.maxRitPercent), 1);<a name="line.1418"></a>
+<span class="sourceLineNo">1419</span> }<a name="line.1419"></a>
+<span class="sourceLineNo">1420</span><a name="line.1420"></a>
+<span class="sourceLineNo">1421</span> /**<a name="line.1421"></a>
+<span class="sourceLineNo">1422</span> * It first sleep to the next balance plan start time. Meanwhile, throttling by the max<a name="line.1422"></a>
+<span class="sourceLineNo">1423</span> * number regions in transition to protect availability.<a name="line.1423"></a>
+<span class="sourceLineNo">1424</span> * @param nextBalanceStartTime The next balance plan start time<a name="line.1424"></a>
+<span class="sourceLineNo">1425</span> * @param maxRegionsInTransition max number of regions in transition<a name="line.1425"></a>
+<span class="sourceLineNo">1426</span> * @param cutoffTime when to exit balancer<a name="line.1426"></a>
+<span class="sourceLineNo">1427</span> */<a name="line.1427"></a>
+<span class="sourceLineNo">1428</span> private void balanceThrottling(long nextBalanceStartTime, int maxRegionsInTransition,<a name="line.1428"></a>
+<span class="sourceLineNo">1429</span> long cutoffTime) {<a name="line.1429"></a>
+<span class="sourceLineNo">1430</span> boolean interrupted = false;<a name="line.1430"></a>
+<span class="sourceLineNo">1431</span><a name="line.1431"></a>
+<span class="sourceLineNo">1432</span> // Sleep to next balance plan start time<a name="line.1432"></a>
+<span class="sourceLineNo">1433</span> // But if there are zero regions in transition, it can skip sleep to speed up.<a name="line.1433"></a>
+<span class="sourceLineNo">1434</span> while (!interrupted && System.currentTimeMillis() < nextBalanceStartTime<a name="line.1434"></a>
+<span class="sourceLineNo">1435</span> && this.assignmentManager.getRegionStates().hasRegionsInTransition()) {<a name="line.1435"></a>
+<span class="sourceLineNo">1436</span> try {<a name="line.1436"></a>
+<span class="sourceLineNo">1437</span> Thread.sleep(100);<a name="line.1437"></a>
+<span class="sourceLineNo">1438</span> } catch (InterruptedException ie) {<a name="line.1438"></a>
+<span class="sourceLineNo">1439</span> interrupted = true;<a name="line.1439"></a>
+<span class="sourceLineNo">1440</span> }<a name="line.1440"></a>
+<span class="sourceLineNo">1441</span> }<a name="line.1441"></a>
+<span class="sourceLineNo">1442</span><a name="line.1442"></a>
+<span class="sourceLineNo">1443</span> // Throttling by max number regions in transition<a name="line.1443"></a>
+<span class="sourceLineNo">1444</span> while (!interrupted<a name="line.1444"></a>
+<span class="sourceLineNo">1445</span> && maxRegionsInTransition > 0<a name="line.1445"></a>
+<span class="sourceLineNo">1446</span> && this.assignmentManager.getRegionStates().getRegionsInTransitionCount()<a name="line.1446"></a>
+<span class="sourceLineNo">1447</span> >= maxRegionsInTransition && System.currentTimeMillis() <= cutoffTime) {<a name="line.1447"></a>
+<span class="sourceLineNo">1448</span> try {<a name="line.1448"></a>
+<span class="sourceLineNo">1449</span> // sleep if the number of regions in transition exceeds the limit<a name="line.1449"></a>
+<span class="sourceLineNo">1450</span> Thread.sleep(100);<a name="line.1450"></a>
+<span class="sourceLineNo">1451</span> } catch (InterruptedException ie) {<a name="line.1451"></a>
+<span class="sourceLineNo">1452</span> interrupted = true;<a name="line.1452"></a>
+<span class="sourceLineNo">1453</span> }<a name="line.1453"></a>
+<span class="sourceLineNo">1454</span> }<a name="line.1454"></a>
+<span class="sourceLineNo">1455</span><a name="line.1455"></a>
+<span class="sourceLineNo">1456</span> if (interrupted) Thread.currentThread().interrupt();<a name="line.1456"></a>
+<span class="sourceLineNo">1457</span> }<a name="line.1457"></a>
+<span class="sourceLineNo">1458</span><a name="line.1458"></a>
+<span class="sourceLineNo">1459</span> public boolean balance() throws IOException {<a name="line.1459"></a>
+<span class="sourceLineNo">1460</span> return balance(false);<a name="line.1460"></a>
<span class="sourceLineNo">1461</span> }<a name="line.1461"></a>
<span class="sourceLineNo">1462</span><a name="line.1462"></a>
-<span class="sourceLineNo">1463</span> public boolean balance() throws IOException {<a name="line.1463"></a>
-<span class="sourceLineNo">1464</span> return balance(false);<a name="line.1464"></a>
-<span class="sourceLineNo">1465</span> }<a name="line.1465"></a>
-<span class="sourceLineNo">1466</span><a name="line.1466"></a>
-<span class="sourceLineNo">1467</span> public boolean balance(boolean force) throws IOException {<a name="line.1467"></a>
-<span class="sourceLineNo">1468</span> // if master not initialized, don't run balancer.<a name="line.1468"></a>
-<span class="sourceLineNo">1469</span> if (!isInitialized()) {<a name="line.1469"></a>
-<span class="sourceLineNo">1470</span> LOG.debug("Master has not been initialized, don't run balancer.");<a name="line.1470"></a>
-<span class="sourceLineNo">1471</span> return false;<a name="line.1471"></a>
-<span class="sourceLineNo">1472</span> }<a name="line.1472"></a>
-<span class="sourceLineNo">1473</span><a name="line.1473"></a>
-<span class="sourceLineNo">1474</span> if (isInMaintenanceMode()) {<a name="line.1474"></a>
-<span class="sourceLineNo">1475</span> LOG.info("Master is in maintenanceMode mode, don't run balancer.");<a name="line.1475"></a>
-<span class="sourceLineNo">1476</span> return false;<a name="line.1476"></a>
-<span class="sourceLineNo">1477</span> }<a name="line.1477"></a>
-<span class="sourceLineNo">1478</span><a name="line.1478"></a>
-<span class="sourceLineNo">1479</span> int maxRegionsInTransition = getMaxRegionsInTransition();<a name="line.1479"></a>
-<span class="sourceLineNo">1480</span> synchronized (this.balancer) {<a name="line.1480"></a>
-<span class="sourceLineNo">1481</span> // If balance not true, don't run balancer.<a name="line.1481"></a>
-<span class="sourceLineNo">1482</span> if (!this.loadBalancerTracker.isBalancerOn()) return false;<a name="line.1482"></a>
-<span class="sourceLineNo">1483</span> // Only allow one balance run at at time.<a name="line.1483"></a>
-<span class="sourceLineNo">1484</span> if (this.assignmentManager.hasRegionsInTransition()) {<a name="line.1484"></a>
-<span class="sourceLineNo">1485</span> List<RegionStateNode> regionsInTransition = assignmentManager.getRegionsInTransition();<a name="line.1485"></a>
-<span class="sourceLineNo">1486</span> // if hbase:meta region is in transition, result of assignment cannot be recorded<a name="line.1486"></a>
-<span class="sourceLineNo">1487</span> // ignore the force flag in that case<a name="line.1487"></a>
-<span class="sourceLineNo">1488</span> boolean metaInTransition = assignmentManager.isMetaRegionInTransition();<a name="line.1488"></a>
-<span class="sourceLineNo">1489</span> String prefix = force && !metaInTransition ? "R" : "Not r";<a name="line.1489"></a>
-<span class="sourceLineNo">1490</span> List<RegionStateNode> toPrint = regionsInTransition;<a name="line.1490"></a>
-<span class="sourceLineNo">1491</span> int max = 5;<a name="line.1491"></a>
-<span class="sourceLineNo">1492</span> boolean truncated = false;<a name="line.1492"></a>
-<span class="sourceLineNo">1493</span> if (regionsInTransition.size() > max) {<a name="line.1493"></a>
-<span class="sourceLineNo">1494</span> toPrint = regionsInTransition.subList(0, max);<a name="line.1494"></a>
-<span class="sourceLineNo">1495</span> truncated = true;<a name="line.1495"></a>
-<span class="sourceLineNo">1496</span> }<a name="line.1496"></a>
-<span class="sourceLineNo">1497</span> LOG.info(prefix + "unning balancer because " + regionsInTransition.size() +<a name="line.1497"></a>
-<span class="sourceLineNo">1498</span> " region(s) in transition: " + toPrint + (truncated? "(truncated list)": ""));<a name="line.1498"></a>
-<span class="sourceLineNo">1499</span> if (!force || metaInTransition) return false;<a name="line.1499"></a>
-<span class="sourceLineNo">1500</span> }<a name="line.1500"></a>
-<span class="sourceLineNo">1501</span> if (this.serverManager.areDeadServersInProgress()) {<a name="line.1501"></a>
-<span class="sourceLineNo">1502</span> LOG.info("Not running balancer because processing dead regionserver(s): " +<a name="line.1502"></a>
-<span class="sourceLineNo">1503</span> this.serverManager.getDeadServers());<a name="line.1503"></a>
-<span class="sourceLineNo">1504</span> return false;<a name="line.1504"></a>
-<span class="sourceLineNo">1505</span> }<a name="line.1505"></a>
-<span class="sourceLineNo">1506</span><a name="line.1506"></a>
-<span class="sourceLineNo">1507</span> if (this.cpHost != null) {<a name="line.1507"></a>
-<span class="sourceLineNo">1508</span> try {<a name="line.1508"></a>
-<span class="sourceLineNo">1509</span> if (this.cpHost.preBalance()) {<a name="line.1509"></a>
-<span class="sourceLineNo">1510</span> LOG.debug("Coprocessor bypassing balancer request");<a name="line.1510"></a>
-<span class="sourceLineNo">1511</span> return false;<a name="line.1511"></a>
-<span class="sourceLineNo">1512</span> }<a name="line.1512"></a>
-<span class="sourceLineNo">1513</span> } catch (IOException ioe) {<a name="line.1513"></a>
-<span class="sourceLineNo">1514</span> LOG.error("Error invoking master coprocessor preBalance()", ioe);<a name="line.1514"></a>
-<span class="sourceLineNo">1515</span> return false;<a name="line.1515"></a>
-<span class="sourceLineNo">1516</span> }<a name="line.1516"></a>
-<span class="sourceLineNo">1517</span> }<a name="line.1517"></a>
+<span class="sourceLineNo">1463</span> public boolean balance(boolean force) throws IOException {<a name="line.1463"></a>
+<span class="sourceLineNo">1464</span> // if master not initialized, don't run balancer.<a name="line.1464"></a>
+<span class="sourceLineNo">1465</span> if (!isInitialized()) {<a name="line.1465"></a>
+<span class="sourceLineNo">1466</span> LOG.debug("Master has not been initialized, don't run balancer.");<a name="line.1466"></a>
+<span class="sourceLineNo">1467</span> return false;<a name="line.1467"></a>
+<span class="sourceLineNo">1468</span> }<a name="line.1468"></a>
+<span class="sourceLineNo">1469</span><a name="line.1469"></a>
+<span class="sourceLineNo">1470</span> if (isInMaintenanceMode()) {<a name="line.1470"></a>
+<span class="sourceLineNo">1471</span> LOG.info("Master is in maintenanceMode mode, don't run balancer.");<a name="line.1471"></a>
+<span class="sourceLineNo">1472</span> return false;<a name="line.1472"></a>
+<span class="sourceLineNo">1473</span> }<a name="line.1473"></a>
+<span class="sourceLineNo">1474</span><a name="line.1474"></a>
+<span class="sourceLineNo">1475</span> int maxRegionsInTransition = getMaxRegionsInTransition();<a name="line.1475"></a>
+<span class="sourceLineNo">1476</span> synchronized (this.balancer) {<a name="line.1476"></a>
+<span class="sourceLineNo">1477</span> // If balance not true, don't run balancer.<a name="line.1477"></a>
+<span class="sourceLineNo">1478</span> if (!this.loadBalancerTracker.isBalancerOn()) return false;<a name="line.1478"></a>
+<span class="sourceLineNo">1479</span> // Only allow one balance run at at time.<a name="line.1479"></a>
+<span class="sourceLineNo">1480</span> if (this.assignmentManager.hasRegionsInTransition()) {<a name="line.1480"></a>
+<span class="sourceLineNo">1481</span> List<RegionStateNode> regionsInTransition = assignmentManager.getRegionsInTransition();<a name="line.1481"></a>
+<span class="sourceLineNo">1482</span> // if hbase:meta region is in transition, result of assignment cannot be recorded<a name="line.1482"></a>
+<span class="sourceLineNo">1483</span> // ignore the force flag in that case<a name="line.1483"></a>
+<span class="sourceLineNo">1484</span> boolean metaInTransition = assignmentManager.isMetaRegionInTransition();<a name="line.1484"></a>
+<span class="sourceLineNo">1485</span> String prefix = force && !metaInTransition ? "R" : "Not r";<a name="line.1485"></a>
+<span class="sourceLineNo">1486</span> List<RegionStateNode> toPrint = regionsInTransition;<a name="line.1486"></a>
+<span class="sourceLineNo">1487</span> int max = 5;<a name="line.1487"></a>
+<span class="sourceLineNo">1488</span> boolean truncated = false;<a name="line.1488"></a>
+<span class="sourceLineNo">1489</span> if (regionsInTransition.size() > max) {<a name="line.1489"></a>
+<span class="sourceLineNo">1490</span> toPrint = regionsInTransition.subList(0, max);<a name="line.1490"></a>
+<span class="sourceLineNo">1491</span> truncated = true;<a name="line.1491"></a>
+<span class="sourceLineNo">1492</span> }<a name="line.1492"></a>
+<span class="sourceLineNo">1493</span> LOG.info(prefix + "unning balancer because " + regionsInTransition.size() +<a name="line.1493"></a>
+<span class="sourceLineNo">1494</span> " region(s) in transition: " + toPrint + (truncated? "(truncated list)": ""));<a name="line.1494"></a>
+<span class="sourceLineNo">1495</span> if (!force || metaInTransition) return false;<a name="line.1495"></a>
+<span class="sourceLineNo">1496</span> }<a name="line.1496"></a>
+<span class="sourceLineNo">1497</span> if (this.serverManager.areDeadServersInProgress()) {<a name="line.1497"></a>
+<span class="sourceLineNo">1498</span> LOG.info("Not running balancer because processing dead regionserver(s): " +<a name="line.1498"></a>
+<span class="sourceLineNo">1499</span> this.serverManager.getDeadServers());<a name="line.1499"></a>
+<span class="sourceLineNo">1500</span> return false;<a name="line.1500"></a>
+<span class="sourceLineNo">1501</span> }<a name="line.1501"></a>
+<span class="sourceLineNo">1502</span><a name="line.1502"></a>
+<span class="sourceLineNo">1503</span> if (this.cpHost != null) {<a name="line.1503"></a>
+<span class="sourceLineNo">1504</span> try {<a name="line.1504"></a>
+<span class="sourceLineNo">1505</span> if (this.cpHost.preBalance()) {<a name="line.1505"></a>
+<span class="sourceLineNo">1506</span> LOG.debug("Coprocessor bypassing balancer request");<a name="line.1506"></a>
+<span class="sourceLineNo">1507</span> return false;<a name="line.1507"></a>
+<span class="sourceLineNo">1508</span> }<a name="line.1508"></a>
+<span class="sourceLineNo">1509</span> } catch (IOException ioe) {<a name="line.1509"></a>
+<span class="sourceLineNo">1510</span> LOG.error("Error invoking master coprocessor preBalance()", ioe);<a name="line.1510"></a>
+<span class="sourceLineNo">1511</span> return false;<a name="line.1511"></a>
+<span class="sourceLineNo">1512</span> }<a name="line.1512"></a>
+<span class="sourceLineNo">1513</span> }<a name="line.1513"></a>
+<span class="sourceLineNo">1514</span><a name="line.1514"></a>
+<span class="sourceLineNo">1515</span> boolean isByTable = getConfiguration().getBoolean("hbase.master.loadbalance.bytable", false);<a name="line.1515"></a>
+<span class="sourceLineNo">1516</span> Map<TableName, Map<ServerName, List<RegionInfo>>> assignmentsByTable =<a name="line.1516"></a>
+<span class="sourceLineNo">1517</span> this.assignmentManager.getRegionStates().getAssignmentsByTable(!isByTable);<a name="line.1517"></a>
<span class="sourceLineNo">1518</span><a name="line.1518"></a>
-<span class="sourceLineNo">1519</span> boolean isByTable = getConfiguration().getBoolean("hbase.master.loadbalance.bytable", false);<a name="line.1519"></a>
-<span class="sourceLineNo">1520</span> Map<TableName, Map<ServerName, List<RegionInfo>>> assignmentsByTable =<a name="line.1520"></a>
-<span class="sourceLineNo">1521</span> this.assignmentManager.getRegionStates().getAssignmentsByTable(!isByTable);<a name="line.1521"></a>
-<span class="sourceLineNo">1522</span><a name="line.1522"></a>
-<span class="sourceLineNo">1523</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.1523"></a>
+<span class="sourceLineNo">1519</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.1519"></a>
+<span class="sourceLineNo">1520</span><a name="line.1520"></a>
+<span class="sourceLineNo">1521</span> //Give the balancer the current cluster state.<a name="line.1521"></a>
+<span class="sourceLineNo">1522</span> this.balancer.setClusterMetrics(getClusterMetricsWithoutCoprocessor());<a name="line.1522"></a>
+<span class="sourceLineNo">1523</span> this.balancer.setClusterLoad(assignmentsByTable);<a name="line.1523"></a>
<span class="sourceLineNo">1524</span><a name="line.1524"></a>
-<span class="sourceLineNo">1525</span> //Give the balancer the current cluster state.<a name="line.1525"></a>
-<span class="sourceLineNo">1526</span> this.balancer.setClusterMetrics(getClusterMetricsWithoutCoprocessor());<a name="line.1526"></a>
-<span class="sourceLineNo">1527</span> this.balancer.setClusterLoad(assignmentsByTable);<a name="line.1527"></a>
-<span class="sourceLineNo">1528</span><a name="line.1528"></a>
-<span class="sourceLineNo">1529</span> for (Map<ServerName, List<RegionInfo>> serverMap : assignmentsByTable.values()) {<a name="line.1529"></a>
-<span class="sourceLineNo">1530</span> serverMap.keySet().removeAll(this.serverManager.getDrainingServersList());<a name="line.1530"></a>
+<span class="sourceLineNo">1525</span> for (Map<ServerName, List<RegionInfo>> serverMap : assignmentsByTable.values()) {<a name="line.1525"></a>
+<span class="sourceLineNo">1526</span> serverMap.keySet().removeAll(this.serverManager.getDrainingServersList());<a name="line.1526"></a>
+<span class="sourceLineNo">1527</span> }<a name="line.1527"></a>
+<span class="sourceLineNo">1528</span> for (Entry<TableName, Map<ServerName, List<RegionInfo>>> e : assignmentsByTable.entrySet()) {<a name="line.1528"></a>
+<span class="sourceLineNo">1529</span> List<RegionPlan> partialPlans = this.balancer.balanceCluster(e.getKey(), e.getValue());<a name="line.1529"></a>
+<span class="sourceLineNo">1530</span> if (partialPlans != null) plans.addAll(partialPlans);<a name="line.1530"></a>
<span class="sourceLineNo">1531</span> }<a name="line.1531"></a>
-<span class="sourceLineNo">1532</span> for (Entry<TableName, Map<ServerName, List<RegionInfo>>> e : assignmentsByTable.entrySet()) {<a name="line.1532"></a>
-<span class="sourceLineNo">1533</span> List<RegionPlan> partialPlans = this.balancer.balanceCluster(e.getKey(), e.getValue());<a name="line.1533"></a>
-<span class="sourceLineNo">1534</span> if (partialPlans != null) plans.addAll(partialPlans);<a name="line.1534"></a>
-<span class="sourceLineNo">1535</span> }<a name="line.1535"></a>
-<span class="sourceLineNo">1536</span><a name="line.1536"></a>
-<span class="sourceLineNo">1537</span> long balanceStartTime = System.currentTimeMillis();<a name="line.1537"></a>
-<span class="sourceLineNo">1538</span> long cutoffTime = balanceStartTime + this.maxBlancingTime;<a name="line.1538"></a>
-<span class="sourceLineNo">1539</span> int rpCount = 0; // number of RegionPlans balanced so far<a name="line.1539"></a>
-<span class="sourceLineNo">1540</span> if (plans != null && !plans.isEmpty()) {<a name="line.1540"></a>
-<span class="sourceLineNo">1541</span> int balanceInterval = this.maxBlancingTime / plans.size();<a name="line.1541"></a>
-<span class="sourceLineNo">1542</span> LOG.info("Balancer plans size is " + plans.size() + ", the balance interval is "<a name="line.1542"></a>
-<span class="sourceLineNo">1543</span> + balanceInterval + " ms, and the max number regions in transition is "<a name="line.1543"></a>
-<span class="sourceLineNo">1544</span> + maxRegionsInTransition);<a name="line.1544"></a>
-<span class="sourceLineNo">1545</span><a name="line.1545"></a>
-<span class="sourceLineNo">1546</span> for (RegionPlan plan: plans) {<a name="line.1546"></a>
-<span class="sourceLineNo">1547</span> LOG.info("balance " + plan);<a name="line.1547"></a>
-<span class="sourceLineNo">1548</span> //TODO: bulk assign<a name="line.1548"></a>
-<span class="sourceLineNo">1549</span> this.assignmentManager.moveAsync(plan);<a name="line.1549"></a>
-<span class="sourceLineNo">1550</span> rpCount++;<a name="line.1550"></a>
-<span class="sourceLineNo">1551</span><a name="line.1551"></a>
-<span class="sourceLineNo">1552</span> balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition,<a name="line.1552"></a>
-<span class="sourceLineNo">1553</span> cutoffTime);<a name="line.1553"></a>
-<span class="sourceLineNo">1554</span><a name="line.1554"></a>
-<span class="sourceLineNo">1555</span> // if performing next balance exceeds cutoff time, exit the loop<a name="line.1555"></a>
-<span class="sourceLineNo">1556</span> if (rpCount < plans.size() && System.currentTimeMillis() > cutoffTime) {<a name="line.1556"></a>
-<span class="sourceLineNo">1557</span> // TODO: After balance, there should not be a cutoff time (keeping it as<a name="line.1557"></a>
-<span class="sourceLineNo">1558</span> // a security net for now)<a name="line.1558"></a>
-<span class="sourceLineNo">1559</span> LOG.debug("No more balancing till next balance run; maxBalanceTime="<a name="line.1559"></a>
-<span class="sourceLineNo">1560</span> + this.maxBlancingTime);<a name="line.1560"></a>
-<span class="sourceLineNo">1561</span> break;<a name="line.1561"></a>
-<span class="sourceLineNo">1562</span> }<a name="line.1562"></a>
-<span class="sourceLineNo">1563</span> }<a name="line.1563"></a>
-<span class="sourceLineNo">1564</span> }<a name="line.1564"></a>
-<span class="sourceLineNo">1565</span><a name="line.1565"></a>
-<span class="sourceLineNo">1566</span> if (this.cpHost != null) {<a name="line.1566"></a>
-<span class="sourceLineNo">1567</span> try {<a name="line.1567"></a>
-<span class="sourceLineNo">1568</span> this.cpHost.postBalance(rpCount < plans.size() ? plans.subList(0, rpCount) : plans);<a name="line.1568"></a>
-<span class="sourceLineNo">1569</span> } catch (IOException ioe) {<a name="line.1569"></a>
-<span class="sourceLineNo">1570</span> // balancing already succeeded so don't change the result<a name="line.1570"></a>
-<span class="sourceLineNo">1571</span> LOG.error("Error invoking master coprocessor postBalance()", ioe);<a name="line.1571"></a>
-<span class="sourceLineNo">1572</span> }<a name="line.1572"></a>
-<span class="sourceLineNo">1573</span> }<a name="line.1573"></a>
-<span class="sourceLineNo">1574</span> }<a name="line.1574"></a>
-<span class="sourceLineNo">1575</span> // If LoadBalancer did not generate any plans, it means the cluster is already balanced.<a name="line.1575"></a>
-<span class="sourceLineNo">1576</span> // Return true indicating a success.<a name="line.1576"></a>
-<span class="sourceLineNo">1577</span> return true;<a name="line.1577"></a>
-<span class="sourceLineNo">1578</span> }<a name="line.1578"></a>
-<span class="sourceLineNo">1579</span><a name="line.1579"></a>
-<span class="sourceLineNo">1580</span> @Override<a name="line.1580"></a>
-<span class="sourceLineNo">1581</span> @VisibleForTesting<a name="line.1581"></a>
-<span class="sourceLineNo">1582</span> public RegionNormalizer getRegionNormalizer() {<a name="line.1582"></a>
-<span class="sourceLineNo">1583</span> return this.normalizer;<a name="line.1583"></a>
-<span class="sourceLineNo">1584</span> }<a name="line.1584"></a>
-<span class="sourceLineNo">1585</span><a name="line.1585"></a>
-<span class="sourceLineNo">1586</span> /**<a name="line.1586"></a>
-<span class="sourceLineNo">1587</span> * Perform normalization of cluster (invoked by {@link RegionNormalizerChore}).<a name="line.1587"></a>
-<span class="sourceLineNo">1588</span> *<a name="line.1588"></a>
-<span class="sourceLineNo">1589</span> * @return true if normalization step was performed successfully, false otherwise<a name="line.1589"></a>
-<span class="sourceLineNo">1590</span> * (specifically, if HMaster hasn't been initialized properly or normalization<a name="line.1590"></a>
-<span class="sourceLineNo">1591</span> * is globally disabled)<a name="line.1591"></a>
-<span class="sourceLineNo">1592</span> */<a name="line.1592"></a>
-<span class="sourceLineNo">1593</span> public boolean normalizeRegions() throws IOException {<a name="line.1593"></a>
-<span class="sourceLineNo">1594</span> if (!isInitialized()) {<a name="line.1594"></a>
-<span class="sourceLineNo">1595</span> LOG.debug("Master has not been initialized, don't run region normalizer.");<a name="line.1595"></a>
-<span class="sourceLineNo">1596</span> return false;<a name="line.1596"></a>
-<span class="sourceLineNo">1597</span> }<a name="line.1597"></a>
-<span class="sourceLineNo">1598</span><a name="line.1598"></a>
-<span class="sourceLineNo">1599</span> if (isInMaintenanceMode()) {<a name="line.1599"></a>
-<span class="sourceLineNo">1600</span> LOG.info("Master is in maintenance mode, don't run region normalizer.");<a name="line.1600"></a>
-<span class="sourceLineNo">1601</span> return false;<a name="line.1601"></a>
-<span class="sourceLineNo">1602</span> }<a name="line.1602"></a>
-<span class="sourceLineNo">1603</span><a name="line.1603"></a>
-<span class="sourceLineNo">1604</span> if (!this.regionNormalizerTracker.isNormalizerOn()) {<a name="line.1604"></a>
-<span class="sourceLineNo">1605</span> LOG.debug("Region normalization is disabled, don't run region normalizer.");<a name="line.1605"></a>
-<span class="sourceLineNo">1606</span> return false;<a name="line.1606"></a>
-<span class="sourceLineNo">1607</span> }<a name="line.1607"></a>
-<span class="sourceLineNo">1608</span><a name="line.1608"></a>
-<span class="sourceLineNo">1609</span> synchronized (this.normalizer) {<a name="line.1609"></a>
-<span class="sourceLineNo">1610</span> // Don't run the normalizer concurrently<a name="line.1610"></a>
-<span class="sourceLineNo">1611</span> List<TableName> allEnabledTables = new ArrayList<>(<a name="line.1611"></a>
-<span class="sourceLineNo">1612</span> this.tableStateManager.getTablesInStates(TableState.State.ENABLED));<a name="line.1612"></a>
-<span class="sourceLineNo">1613</span><a name="line.1613"></a>
-<span class="sourceLineNo">1614</span> Collections.shuffle(allEnabledTables);<a name="line.1614"></a>
-<span class="sourceLineNo">1615</span><a name="line.1615"></a>
-<span class="sourceLineNo">1616</span> for (TableName table : allEnabledTables) {<a name="line.1616"></a>
-<span class="sourceLineNo">1617</span> if (isInMaintenanceMode()) {<a name="line.1617"></a>
-<span class="sourceLineNo">1618</span> LOG.debug("Master is in maintenance mode, stop running region normalizer.");<a name="line.1618"></a>
-<span class="sourceLineNo">1619</span> return false;<a name="line.1619"></a>
-<span class="sourceLineNo">1620</span> }<a name="line.1620"></a>
-<span class="sourceLineNo">1621</span><a name="line.1621"></a>
-<span class="sourceLineNo">1622</span> TableDescriptor tblDesc = getTableDescriptors().get(table);<a name="line.1622"></a>
-<span class="sourceLineNo">1623</span> if (table.isSystemTable() || (tblDesc != null &&<a name="line.1623"></a>
-<span class="sourceLineNo">1624</span> !tblDesc.isNormalizationEnabled())) {<a name="line.1624"></a>
-<span class="sourceLineNo">1625</span> LOG.trace("Skipping normalization for {}, as it's either system"<a name="line.1625"></a>
-<span class="sourceLineNo">1626</span> + " table or doesn't have auto normalization turned on", table);<a name="line.1626"></a>
-<span class="sourceLineNo">1627</span> continue;<a name="line.1627"></a>
-<span class="sourceLineNo">1628</span> }<a name="line.1628"></a>
-<span class="sourceLineNo">1629</span> List<NormalizationPlan> plans = this.normalizer.computePlanForTable(table);<a name="line.1629"></a>
-<span class="sourceLineNo">1630</span> if (plans != null) {<a name="line.1630"></a>
-<span class="sourceLineNo">1631</span> for (NormalizationPlan plan : plans) {<a name="line.1631"></a>
-<span class="sourceLineNo">1632</span> plan.execute(clusterConnection.getAdmin());<a name="line.1632"></a>
-<span class="sourceLineNo">1633</span> if (plan.getType() == PlanType.SPLIT) {<a name="line.1633"></a>
-<span class="sourceLineNo">1634</span> splitPlanCount++;<a name="line.1634"></a>
-<span class="sourceLineNo">1635</span> } else if (plan.getType() == PlanType.MERGE) {<a name="line.1635"></a>
-<span class="sourceLineNo">1636</span> mergePlanCount++;<a name="line.1636"></a>
-<span class="sourceLineNo">1637</span> }<a name="line.1637"></a>
-<span class="sourceLineNo">1638</span> }<a name="line.1638"></a>
-<span class="sourceLineNo">1639</span> }<a name="line.1639"></a>
-<span class="sourceLineNo">1640</span> }<a name="line.1640"></a>
-<span class="sourceLineNo">1641</span> }<a name="line.1641"></a>
-<span class="sourceLineNo">1642</span> // If Region did not generate any plans, it means the cluster is already balanced.<a name="line.1642"></a>
-<span class="sourceLineNo">1643</span> // Return true indicating a success.<a name="line.1643"></a>
-<span class="sourceLineNo">1644</span> return true;<a name="line.1644"></a>
-<span class="sourceLineNo">1645</span> }<a name="line.1645"></a>
-<span class="sourceLineNo">1646</span><a name="line.1646"></a>
-<span class="sourceLineNo">1647</span> /**<a name="line.1647"></a>
-<span class="sourceLineNo">1648</span> * @return Client info for use as prefix on an audit log string; who did an action<a name="line.1648"></a>
-<span class="sourceLineNo">1649</span> */<a name="line.1649"></a>
-<span class="sourceLineNo">1650</span> @Override<a name="line.1650"></a>
-<span class="sourceLineNo">1651</span> public String getClientIdAuditPrefix() {<a name="line.1651"></a>
-<span class="sourceLineNo">1652</span> return "Client=" + RpcServer.getRequestUserName().orElse(null)<a name="line.1652"></a>
-<span class="sourceLineNo">1653</span> + "/" + RpcServer.getRemoteAddress().orElse(null);<a name="line.1653"></a>
-<span class="sourceLineNo">1654</span> }<a name="line.1654"></a>
-<span class="sourceLineNo">1655</span><a name="line.1655"></a>
-<span class="sourceLineNo">1656</span> /**<a name="line.1656"></a>
-<span class="sourceLineNo">1657</span> * Switch for the background CatalogJanitor thread.<a name="line.1657"></a>
-<span class="sourceLineNo">1658</span> * Used for testing. The thread will continue to run. It will just be a noop<a name="line.1658"></a>
-<span class="sourceLineNo">1659</span> * if disabled.<a name="line.1659"></a>
-<span class="sourceLineNo">1660</span> * @param b If false, the catalog janitor won't do anything.<a name="line.1660"></a>
-<span class="sourceLineNo">1661</span> */<a name="line.1661"></a>
-<span class="sourceLineNo">1662</span> public void setCatalogJanitorEnabled(final boolean b) {<a name="line.1662"></a>
-<span class="sourceLineNo">1663</span> this.catalogJanitorChore.setEnabled(b);<a name="line.1663"></a>
-<span class="sourceLineNo">1664</span> }<a name="line.1664"></a>
-<span class="sourceLineNo">1665</span><a name="line.1665"></a>
-<span class="sourceLineNo">1666</span> @Override<a name="line.1666"></a>
-<span class="sourceLineNo">1667</span> public long mergeRegions(<a name="line.1667"></a>
-<span class="sourceLineNo">1668</span> final RegionInfo[] regionsToMerge,<a name="line.1668"></a>
-<span class="sourceLineNo">1669</span> final boolean forcible,<a name="line.1669"></a>
-<span class="sourceLineNo">1670</span> final long nonceGroup,<a name="line.1670"></a>
-<span class="sourceLineNo">1671</span> final long nonce) throws IOException {<a name="line.1671"></a>
-<span class="sourceLineNo">1672</span> checkInitialized();<a name="line.1672"></a>
-<span class="sourceLineNo">1673</span><a name="line.1673"></a>
-<span class="sourceLineNo">1674</span> assert(regionsToMerge.length == 2);<a name="line.1674"></a>
-<span class="sourceLineNo">1675</span><a name="line.1675"></a>
-<span class="sourceLineNo">1676</span> TableName tableName = regionsToMerge[0].getTable();<a name="line.1676"></a>
-<span class="sourceLineNo">1677</span> if (tableName == null || regionsToMerge[1].getTable() == null) {<a name="line.1677"></a>
-<span class="sourceLineNo">1678</span> throw new UnknownRegionException ("Can't merge regions without table associated");<a name="line.1678"></a>
-<span class="sourceLineNo">1679</span> }<a name="line.1679"></a>
-<span class="sourceLineNo">1680</span><a name="line.1680"></a>
-<span class="sourceLineNo">1681</span> if (!tableName.equals(regionsToMerge[1].getTable())) {<a name="line.1681"></a>
-<span class="sourceLineNo">1682</span> throw new IOException (<a name="line.1682"></a>
-<span class="sourceLineNo">1683</span> "Cannot merge regions from two different tables " + regionsToMerge[0].getTable()<a name="line.1683"></a>
-<span class="sourceLineNo">1684</span> + " and " + regionsToMerge[1].getTable());<a name="line.1684"></a>
-<span class="sourceLineNo">1685</span> }<a name="line.1685"></a>
-<span class="sourceLineNo">1686</span><a name="line.1686"></a>
-<span class="sourceLineNo">1687</span> if (RegionInfo.COMPARATOR.compare(regionsToMerge[0], regionsToMerge[1]) == 0) {<a name="line.1687"></a>
-<span class="sourceLineNo">1688</span> throw new MergeRegionException(<a name="line.1688"></a>
-<span class="sourceLineNo">1689</span> "Cannot merge a region to itself " + regionsToMerge[0] + ", " + regionsToMerge[1]);<a name="line.1689"></a>
-<span class="sourceLineNo">1690</span> }<a name="line.1690"></a>
-<span class="sourceLineNo">1691</span><a name="line.1691"></a>
-<span class="sourceLineNo">1692</span> return MasterProcedureUtil.submitProcedure(<a name="line.1692"></a>
-<span class="sourceLineNo">1693</span> new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a name="line.1693"></a>
-<span class="sourceLineNo">1694</span> @Override<a name="line.1694"></a>
-<span class="sourceLineNo">1695</span> protected void run() throws IOException {<a name="line.1695"></a>
-<span class="sourceLineNo">1696</span> getMaster().getMasterCoprocessorHost().preMergeRegions(regionsToMerge);<a name="line.1696"></a>
-<span class="sourceLineNo">1697</span><a name="line.1697"></a>
-<span class="sourceLineNo">1698</span> LOG.info(getClientIdAuditPrefix() + " Merge regions " +<a name="line.1698"></a>
-<span class="sourceLineNo">1699</span> regionsToMerge[0].getEncodedName() + " and " + regionsToMerge[1].getEncodedName());<a name="line.1699"></a>
-<span class="sourceLineNo">1700</span><a name="line.1700"></a>
-<span class="sourceLineNo">1701</span> submitProcedure(new MergeTableRegionsProcedure(procedureExecutor.getEnvironment(),<a name="line.1701"></a>
-<span class="sourceLineNo">1702</span> regionsToMerge, forcible));<a name="line.1702"></a>
-<span class="sourceLineNo">1703</span><a name="line.1703"></a>
-<span class="sourceLineNo">1704</span> getMaster().getMasterCoprocessorHost().postMergeRegions(regionsToMerge);<a name="line.1704"></a>
-<span class="sourceLineNo">1705</span> }<a name="line.1705"></a>
-<span class="sourceLineNo">1706</span><a name="line.1706"></a>
-<span class="sourceLineNo">1707</span> @Override<a name="line.1707"></a>
-<span class="sourceLineNo">1708</span> protected String getDescription() {<a name="line.1708"></a>
-<span class="sourceLineNo">1709</span> return "MergeTableProcedure";<a name="line.1709"></a>
-<span class="sourceLineNo">1710</span> }<a name="line.1710"></a>
-<span class="sourceLineNo">1711</span> });<a name="line.1711"></a>
-<span class="sourceLineNo">1712</span> }<a name="line.1712"></a>
-<span class="sourceLineNo">1713</span><a name="line.1713"></a>
-<span class="sourceLineNo">1714</span> @Override<a name="line.1714"></a>
-<span class="sourceLineNo">1715</span> public long splitRegion(final RegionInfo regionInfo, final byte[] splitRow,<a name="line.1715"></a>
-<span class="sourceLineNo">1716</span> final long nonceGroup, final long nonce)<a name="line.1716"></a>
-<span class="sourceLineNo">1717</span> throws IOException {<a name="line.1717"></a>
-<span class="sourceLineNo">1718</span> checkInitialized();<a name="line.1718"></a>
-<span class="sourceLineNo">1719</span> return MasterProcedureUtil.submitProcedure(<a name="line.1719"></a>
-<span class="sourceLineNo">1720</span> new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a name="line.1720"></a>
-<span class="sourceLineNo">1721</span> @Override<a name="line.1721"></a>
-<span class="sourceLineNo">1722</span> protected void run() throws IOException {<a name="line.1722"></a>
-<span class="sourceLineNo">1723</span> getMaster().getMasterCoprocessorHost().preSplitRegion(regionInfo.getTable(), splitRow);<a name="line.1723"></a>
-<span class="sourceLineNo">1724</span> LOG.info(getClientIdAuditPrefix() + " split " + regionInfo.getRegionNameAsString());<a name="line.1724"></a>
+<span class="sourceLineNo">1532</span><a name="line.1532"></a>
+<span class="sourceLineNo">1533</span> long balanceStartTime = System.currentTimeMillis();<a name="line.1533"></a>
+<span class="sourceLineNo">1534</span> long cutoffTime = balanceStartTime + this.maxBlancingTime;<a name="line.1534"></a>
+<span class="sourceLineNo">1535</span> int rpCount = 0; // number of RegionPlans balanced so far<a name="line.1535"></a>
+<span class="sourceLineNo">1536</span> if (plans != null && !plans.isEmpty()) {<a name="line.1536"></a>
+<span class="sourceLineNo">1537</span> int balanceInterval = this.maxBlancingTime / plans.size();<a name="line.1537"></a>
+<span class="sourceLineNo">1538</span> LOG.info("Balancer plans size is " + plans.size() + ", the balance interval is "<a name="line.1538"></a>
+<span class="sourceLineNo">1539</span> + balanceInterval + " ms, and the max number regions in transition is "<a name="line.1539"></a>
+<span class="sourceLineNo">1540</span> + maxRegionsInTransition);<a name="line.1540"></a>
+<span class="sourceLineNo">1541</span><a name="line.1541"></a>
+<span class="sourceLineNo">1542</span> for (RegionPlan plan: plans) {<a name="line.1542"></a>
+<span class="sourceLineNo">1543</span> LOG.info("balance " + plan);<a name="line.1543"></a>
+<span class="sourceLineNo">1544</span> //TODO: bulk assign<a name="line.1544"></a>
+<span class="sourceLineNo">1545</span> this.assignmentManager.moveAsync(plan);<a name="line.1545"></a>
+<span class="sourceLineNo">1546</span> rpCount++;<a name="line.1546"></a>
+<span class="sourceLineNo">1547</span><a name="line.1547"></a>
+<span class="sourceLineNo">1548</span> balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition,<a name="line.1548"></a>
+<span class="sourceLineNo">1549</span> cutoffTime);<a name="line.1549"></a>
+<span class="sourceLineNo">1550</span><a name="line.1550"></a>
+<span class="sourceLineNo">1551</span> // if performing next balance exceeds cutoff time, exit the loop<a name="line.1551"></a>
+<span class="sourceLineNo">1552</span> if (rpCount < plans.size() && System.currentTimeMillis() > cutoffTime) {<a name="line.1552"></a>
+<span class="sourceLineNo">1553</span> // TODO: After balance, there should not be a cutoff time (keeping it as<a name="line.1553"></a>
+<span class="sourceLineNo">1554</span> // a security net for now)<a name="line.1554"></a>
+<span class="sourceLineNo">1555</span> LOG.debug("No more balancing till next balance run; maxBalanceTime="<a name="line.1555"></a>
+<span class="sourceLineNo">1556</span> + this.maxBlancingTime);<a name="line.1556"></a>
+<span class="sourceLineNo">1557</span> break;<a name="line.1557"></a>
+<span class="sourceLineNo">1558</span> }<a name="line.1558"></a>
+<span class="sourceLineNo">1559</span> }<a name="line.1559"></a>
+<span class="sourceLineNo">1560</span> }<a name="line.1560"></a>
+<span class="sourceLineNo">1561</span><a name="line.1561"></a>
+<span class="sourceLineNo">1562</span> if (this.cpHost != null) {<a name="line.1562"></a>
+<span class="sourceLineNo">1563</span> try {<a name="line.1563"></a>
+<span class="sourceLineNo">1564</span> this.cpHost.postBalance(rpCount < plans.size() ? plans.subList(0, rpCount) : plans);<a name="line.1564"></a>
+<span class="sourceLineNo">1565</span> } catch (IOException ioe) {<a name="line.1565"></a>
+<span class="sourceLineNo">1566</span> // balancing already succeeded so don't change the result<a name="line.1566"></a>
+<span class="sourceLineNo">1567</span> LOG.error("Error invoking master coprocessor postBalance()", ioe);<a name="line.1567"></a>
+<span class="sourceLineNo">1568</span> }<a name="line.1568"></a>
+<span class="sourceLineNo">1569</span> }<a name="line.1569"></a>
+<span class="sourceLineNo">1570</span> }<a name="line.1570"></a>
+<span class="sourceLineNo">1571</span> // If LoadBalancer did not generate any plans, it means the cluster is already balanced.<a name="line.1571"></a>
+<span class="sourceLineNo">1572</span> // Return true indicating a success.<a name="line.1572"></a>
+<span class="sourceLineNo">1573</span> return true;<a name="line.1573"></a>
+<span class="sourceLineNo">1574</span> }<a name="line.1574"></a>
+<span class="sourceLineNo">1575</span><a name="line.1575"></a>
+<span class="sourceLineNo">1576</span> @Override<a name="line.1576"></a>
+<span class="sourceLineNo">1577</span> @VisibleForTesting<a name="line.1577"></a>
+<span class="sourceLineNo">1578</span> public RegionNormalizer getRegionNormalizer() {<a name="line.1578"></a>
+<span class="sourceLineNo">1579</span> return this.normalizer;<a name="line.1579"></a>
+<span class="sourceLineNo">1580</span> }<a name="line.1580"></a>
+<span class="sourceLineNo">1581</span><a name="line.1581"></a>
+<span class="sourceLineNo">1582</span> /**<a name="line.1582"></a>
+<span class="sourceLineNo">1583</span> * Perform normalization of cluster (invoked by {@link RegionNormalizerChore}).<a name="line.1583"></a>
+<span class="sourceLineNo">1584</span> *<a name="line.1584"></a>
+<span class="sourceLineNo">1585</span> * @return true if normalization step was performed successfully, false otherwise<a name="line.1585"></a>
+<span class="sourceLineNo">1586</span> * (specifically, if HMaster hasn't been initialized properly or normalization<a name="line.1586"></a>
+<span class="sourceLineNo">1587</span> * is globally disabled)<a name="line.1587"></a>
+<span class="sourceLineNo">1588</span> */<a name="line.1588"></a>
+<span class="sourceLineNo">1589</span> public boolean normalizeRegions() throws IOException {<a name="line.1589"></a>
+<span class="sourceLineNo">1590</span> if (!isInitialized()) {<a name="line.1590"></a>
+<span class="sourceLineNo">1591</span> LOG.debug("Master has not been initialized, don't run region normalizer.");<a name="line.1591"></a>
+<span class="sourceLineNo">1592</span> return false;<a name="line.1592"></a>
+<span class="sourceLineNo">1593</span> }<a name="line.1593"></a>
+<span class="sourceLineNo">1594</span><a name="line.1594"></a>
+<span class="sourceLineNo">1595</span> if (isInMaintenanceMode()) {<a name="line.1595"></a>
+<span class="sourceLineNo">1596</span> LOG.info("Master is in maintenance mode, don't run region normalizer.");<a name="line.1596"></a>
+<span class="sourceLineNo">1597</span> return false;<a name="line.1597"></a>
+<span class="sourceLineNo">1598</span> }<a name="line.1598"></a>
+<span class="sourceLineNo">1599</span><a name="line.1599"></a>
+<span class="sourceLineNo">1600</span> if (!this.regionNormalizerTracker.isNormalizerOn()) {<a name="line.1600"></a>
+<span class="sourceLineNo">1601</span> LOG.debug("Region normalization is disabled, don't run region normalizer.");<a name="line.1601"></a>
+<span class="sourceLineNo">1602</span> return false;<a name="line.1602"></a>
+<span class="sourceLineNo">1603</span> }<a name="line.1603"></a>
+<span class="sourceLineNo">1604</span><a name="line.1604"></a>
+<span class="sourceLineNo">1605</span> synchronized (this.normalizer) {<a name="line.1605"></a>
+<span class="sourceLineNo">1606</span> // Don't run the normalizer concurrently<a name="line.1606"></a>
+<span class="sourceLineNo">1607</span> List<TableName> allEnabledTables = new ArrayList<>(<a name="line.1607"></a>
+<span class="sourceLineNo">1608</span> this.tableStateManager.getTablesInStates(TableState.State.ENABLED));<a name="line.1608"></a>
+<span class="sourceLineNo">1609</span><a name="line.1609"></a>
+<span class="sourceLineNo">1610</span> Collections.shuffle(allEnabledTables);<a name="line.1610"></a>
+<span class="sourceLineNo">1611</span><a name="line.1611"></a>
+<span class="sourceLineNo">1612</span> for (TableName table : allEnabledTables) {<a name="line.1612"></a>
+<span class="sourceLineNo">1613</span> if (isInMaintenanceMode()) {<a name="line.1613"></a>
+<span class="sourceLineNo">1614</span> LOG.debug("Master is in maintenance mode, stop running region normalizer.");<a name="line.1614"></a>
+<span class="sourceLineNo">1615</span> return false;<a name="line.1615"></a>
+<span class="sourceLineNo">1616</span> }<a name="line.1616"></a>
+<span class="sourceLineNo">1617</span><a name="line.1617"></a>
+<span class="sourceLineNo">1618</span> TableDescriptor tblDesc = getTableDescriptors().get(table);<a name="line.1618"></a>
+<span class="sourceLineNo">1619</span> if (table.isSystemTable() || (tblDesc != null &&<a name="line.1619"></a>
+<span class="sourceLineNo">1620</span> !tblDesc.isNormalizationEnabled())) {<a name="line.1620"></a>
+<span class="sourceLineNo">1621</span> LOG.trace("Skipping normalization for {}, as it's either system"<a name="line.1621"></a>
+<span class="sourceLineNo">1622</span> + " table or doesn't have auto normalization turned on", table);<a name="line.1622"></a>
+<span class="sourceLineNo">1623</span> continue;<a name="line.1623"></a>
+<span class="sourceLineNo">1624</span> }<a name="line.1624"></a>
+<span class="sourceLineNo">1625</span> List<NormalizationPlan> plans = this.normalizer.computePlanForTable(table);<a name="line.1625"></a>
+<span class="sourceLineNo">1626</span> if (plans != null) {<a name="line.1626"></a>
+<span class="sourceLineNo">1627</span> for (NormalizationPlan plan : plans) {<a name="line.1627"></a>
+<span class="sourceLineNo">1628</span> plan.execute(clusterConnection.getAdmin());<a name="line.1628"></a>
+<span class="sourceLineNo">1629</span> if (plan.getType() == PlanType.SPLIT) {<a name="line.1629"></a>
+<span class="sourceLineNo">1630</span> splitPlanCount++;<a name="line.1630"></a>
+<span class="sourceLineNo">1631</span> } else if (plan.getType() == PlanType.MERGE) {<a name="line.1631"></a>
+<span class="sourceLineNo">1632</span> mergePlanCount++;<a name="line.1632"></a>
+<span class="sourceLineNo">1633</span> }<a name="line.1633"></a>
+<span class="sourceLineNo">1634</span> }<a name="line.1634"></a>
+<span class="sourceLineNo">1635</span> }<a name="line.1635"></a>
+<span class="sourceLineNo">1636</span> }<a name="line.1636"></a>
+<span class="sourceLineNo">1637</span> }<a name="line.1637"></a>
+<span class="sourceLineNo">1638</span> // If Region did not generate any plans, it means the cluster is already balanced.<a name="line.1638"></a>
+<span class="sourceLineNo">1639</span> // Return true indicating a success.<a name="line.1639"></a>
+<span class="sourceLineNo">1640</span> return true;<a name="line.1640"></a>
+<span class="sourceLineNo">1641</span> }<a name="line.1641"></a>
+<span class="sourceLineNo">1642</span><a name="line.1642"></a>
+<span class="sourceLineNo">1643</span> /**<a name="line.1643"></a>
+<span class="sourceLineNo">1644</span> * @return Client info for use as prefix on an audit log string; who did an action<a name="line.1644"></a>
+<span class="sourceLineNo">1645</span> */<a name="line.1645"></a>
+<span class="sourceLineNo">1646</span> @Override<a name="line.1646"></a>
+<span class="sourceLineNo">1647</span> public String getClientIdAuditPrefix() {<a name="line.1647"></a>
+<span class="sourceLineNo">1648</span> return "Client=" + RpcServer.getRequestUserName().orElse(null)<a name="line.1648"></a>
+<span class="sourceLineNo">1649</span> + "/" + RpcServer.getRemoteAddress().orElse(null);<a name="line.1649"></a>
+<span class="sourceLineNo">1650</span> }<a name="line.1650"></a>
+<span class="sourceLineNo">1651</span><a name="line.1651"></a>
+<span class="sourceLineNo">1652</span> /**<a name="line.1652"></a>
+<span class="sourceLineNo">1653</span> * Switch for the background CatalogJanitor thread.<a name="line.1653"></a>
+<span class="sourceLineNo">1654</span> * Used for testing. The thread will continue to run. It will just be a noop<a name="line.1654"></a>
+<span class="sourceLineNo">1655</span> * if disabled.<a name="line.1655"></a>
+<span class="sourceLineNo">1656</span> * @param b If false, the catalog janitor won't do anything.<a name="line.1656"></a>
+<span class="sourceLineNo">1657</span> */<a name="line.1657"></a>
+<span class="sourceLineNo">1658</span> public void setCatalogJanitorEnabled(final boolean b) {<a name="line.1658"></a>
+<span class="sourceLineNo">1659</span> this.catalogJanitorChore.setEnabled(b);<a name="line.1659"></a>
+<span class="sourceLineNo">1660</span> }<a name="line.1660"></a>
+<span class="sourceLineNo">1661</span><a name="line.1661"></a>
+<span class="sourceLineNo">1662</span> @Override<a name="line.1662"></a>
+<span class="sourceLineNo">1663</span> public long mergeRegions(<a name="line.1663"></a>
+<span class="sourceLineNo">1664</span> final RegionInfo[] regionsToMerge,<a name="line.1664"></a>
+<span class="sourceLineNo">1665</span> final boole
<TRUNCATED>