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 2018/05/17 14:48:28 UTC
[29/51] [partial] hbase-site git commit: Published site at
cf529f18a9959589fa635f78df4840472526ea2c.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7bcc960d/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.MasterStoppedException.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.MasterStoppedException.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.MasterStoppedException.html
index a97dfdc..2b1b6c6 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.MasterStoppedException.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.MasterStoppedException.html
@@ -2370,1287 +2370,1292 @@
<span class="sourceLineNo">2362</span> }<a name="line.2362"></a>
<span class="sourceLineNo">2363</span><a name="line.2363"></a>
<span class="sourceLineNo">2364</span> @Override<a name="line.2364"></a>
-<span class="sourceLineNo">2365</span> public long modifyTable(final TableName tableName, final TableDescriptor descriptor,<a name="line.2365"></a>
+<span class="sourceLineNo">2365</span> public long modifyTable(final TableName tableName, final TableDescriptor newDescriptor,<a name="line.2365"></a>
<span class="sourceLineNo">2366</span> final long nonceGroup, final long nonce) throws IOException {<a name="line.2366"></a>
<span class="sourceLineNo">2367</span> checkInitialized();<a name="line.2367"></a>
-<span class="sourceLineNo">2368</span> sanityCheckTableDescriptor(descriptor);<a name="line.2368"></a>
+<span class="sourceLineNo">2368</span> sanityCheckTableDescriptor(newDescriptor);<a name="line.2368"></a>
<span class="sourceLineNo">2369</span><a name="line.2369"></a>
<span class="sourceLineNo">2370</span> return MasterProcedureUtil.submitProcedure(<a name="line.2370"></a>
<span class="sourceLineNo">2371</span> new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a name="line.2371"></a>
<span class="sourceLineNo">2372</span> @Override<a name="line.2372"></a>
<span class="sourceLineNo">2373</span> protected void run() throws IOException {<a name="line.2373"></a>
-<span class="sourceLineNo">2374</span> getMaster().getMasterCoprocessorHost().preModifyTable(tableName, descriptor);<a name="line.2374"></a>
-<span class="sourceLineNo">2375</span><a name="line.2375"></a>
-<span class="sourceLineNo">2376</span> LOG.info(getClientIdAuditPrefix() + " modify " + tableName);<a name="line.2376"></a>
+<span class="sourceLineNo">2374</span> TableDescriptor oldDescriptor = getMaster().getTableDescriptors().get(tableName);<a name="line.2374"></a>
+<span class="sourceLineNo">2375</span> getMaster().getMasterCoprocessorHost()<a name="line.2375"></a>
+<span class="sourceLineNo">2376</span> .preModifyTable(tableName, oldDescriptor, newDescriptor);<a name="line.2376"></a>
<span class="sourceLineNo">2377</span><a name="line.2377"></a>
-<span class="sourceLineNo">2378</span> // Execute the operation synchronously - wait for the operation completes before continuing.<a name="line.2378"></a>
-<span class="sourceLineNo">2379</span> //<a name="line.2379"></a>
-<span class="sourceLineNo">2380</span> // We need to wait for the procedure to potentially fail due to "prepare" sanity<a name="line.2380"></a>
-<span class="sourceLineNo">2381</span> // checks. This will block only the beginning of the procedure. See HBASE-19953.<a name="line.2381"></a>
-<span class="sourceLineNo">2382</span> ProcedurePrepareLatch latch = ProcedurePrepareLatch.createBlockingLatch();<a name="line.2382"></a>
-<span class="sourceLineNo">2383</span> submitProcedure(new ModifyTableProcedure(procedureExecutor.getEnvironment(),<a name="line.2383"></a>
-<span class="sourceLineNo">2384</span> descriptor, latch));<a name="line.2384"></a>
-<span class="sourceLineNo">2385</span> latch.await();<a name="line.2385"></a>
-<span class="sourceLineNo">2386</span><a name="line.2386"></a>
-<span class="sourceLineNo">2387</span> getMaster().getMasterCoprocessorHost().postModifyTable(tableName, descriptor);<a name="line.2387"></a>
-<span class="sourceLineNo">2388</span> }<a name="line.2388"></a>
-<span class="sourceLineNo">2389</span><a name="line.2389"></a>
-<span class="sourceLineNo">2390</span> @Override<a name="line.2390"></a>
-<span class="sourceLineNo">2391</span> protected String getDescription() {<a name="line.2391"></a>
-<span class="sourceLineNo">2392</span> return "ModifyTableProcedure";<a name="line.2392"></a>
-<span class="sourceLineNo">2393</span> }<a name="line.2393"></a>
-<span class="sourceLineNo">2394</span> });<a name="line.2394"></a>
-<span class="sourceLineNo">2395</span> }<a name="line.2395"></a>
-<span class="sourceLineNo">2396</span><a name="line.2396"></a>
-<span class="sourceLineNo">2397</span> public long restoreSnapshot(final SnapshotDescription snapshotDesc,<a name="line.2397"></a>
-<span class="sourceLineNo">2398</span> final long nonceGroup, final long nonce, final boolean restoreAcl) throws IOException {<a name="line.2398"></a>
-<span class="sourceLineNo">2399</span> checkInitialized();<a name="line.2399"></a>
-<span class="sourceLineNo">2400</span> getSnapshotManager().checkSnapshotSupport();<a name="line.2400"></a>
-<span class="sourceLineNo">2401</span><a name="line.2401"></a>
-<span class="sourceLineNo">2402</span> // Ensure namespace exists. Will throw exception if non-known NS.<a name="line.2402"></a>
-<span class="sourceLineNo">2403</span> final TableName dstTable = TableName.valueOf(snapshotDesc.getTable());<a name="line.2403"></a>
-<span class="sourceLineNo">2404</span> getClusterSchema().getNamespace(dstTable.getNamespaceAsString());<a name="line.2404"></a>
-<span class="sourceLineNo">2405</span><a name="line.2405"></a>
-<span class="sourceLineNo">2406</span> return MasterProcedureUtil.submitProcedure(<a name="line.2406"></a>
-<span class="sourceLineNo">2407</span> new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a name="line.2407"></a>
-<span class="sourceLineNo">2408</span> @Override<a name="line.2408"></a>
-<span class="sourceLineNo">2409</span> protected void run() throws IOException {<a name="line.2409"></a>
-<span class="sourceLineNo">2410</span> setProcId(<a name="line.2410"></a>
-<span class="sourceLineNo">2411</span> getSnapshotManager().restoreOrCloneSnapshot(snapshotDesc, getNonceKey(), restoreAcl));<a name="line.2411"></a>
-<span class="sourceLineNo">2412</span> }<a name="line.2412"></a>
-<span class="sourceLineNo">2413</span><a name="line.2413"></a>
-<span class="sourceLineNo">2414</span> @Override<a name="line.2414"></a>
-<span class="sourceLineNo">2415</span> protected String getDescription() {<a name="line.2415"></a>
-<span class="sourceLineNo">2416</span> return "RestoreSnapshotProcedure";<a name="line.2416"></a>
-<span class="sourceLineNo">2417</span> }<a name="line.2417"></a>
-<span class="sourceLineNo">2418</span> });<a name="line.2418"></a>
-<span class="sourceLineNo">2419</span> }<a name="line.2419"></a>
-<span class="sourceLineNo">2420</span><a name="line.2420"></a>
-<span class="sourceLineNo">2421</span> private void checkTableExists(final TableName tableName)<a name="line.2421"></a>
-<span class="sourceLineNo">2422</span> throws IOException, TableNotFoundException {<a name="line.2422"></a>
-<span class="sourceLineNo">2423</span> if (!MetaTableAccessor.tableExists(getConnection(), tableName)) {<a name="line.2423"></a>
-<span class="sourceLineNo">2424</span> throw new TableNotFoundException(tableName);<a name="line.2424"></a>
-<span class="sourceLineNo">2425</span> }<a name="line.2425"></a>
-<span class="sourceLineNo">2426</span> }<a name="line.2426"></a>
-<span class="sourceLineNo">2427</span><a name="line.2427"></a>
-<span class="sourceLineNo">2428</span> @Override<a name="line.2428"></a>
-<span class="sourceLineNo">2429</span> public void checkTableModifiable(final TableName tableName)<a name="line.2429"></a>
-<span class="sourceLineNo">2430</span> throws IOException, TableNotFoundException, TableNotDisabledException {<a name="line.2430"></a>
-<span class="sourceLineNo">2431</span> if (isCatalogTable(tableName)) {<a name="line.2431"></a>
-<span class="sourceLineNo">2432</span> throw new IOException("Can't modify catalog tables");<a name="line.2432"></a>
-<span class="sourceLineNo">2433</span> }<a name="line.2433"></a>
-<span class="sourceLineNo">2434</span> checkTableExists(tableName);<a name="line.2434"></a>
-<span class="sourceLineNo">2435</span> TableState ts = getTableStateManager().getTableState(tableName);<a name="line.2435"></a>
-<span class="sourceLineNo">2436</span> if (!ts.isDisabled()) {<a name="line.2436"></a>
-<span class="sourceLineNo">2437</span> throw new TableNotDisabledException("Not DISABLED; " + ts);<a name="line.2437"></a>
-<span class="sourceLineNo">2438</span> }<a name="line.2438"></a>
-<span class="sourceLineNo">2439</span> }<a name="line.2439"></a>
-<span class="sourceLineNo">2440</span><a name="line.2440"></a>
-<span class="sourceLineNo">2441</span> public ClusterMetrics getClusterMetricsWithoutCoprocessor() throws InterruptedIOException {<a name="line.2441"></a>
-<span class="sourceLineNo">2442</span> return getClusterMetricsWithoutCoprocessor(EnumSet.allOf(Option.class));<a name="line.2442"></a>
-<span class="sourceLineNo">2443</span> }<a name="line.2443"></a>
-<span class="sourceLineNo">2444</span><a name="line.2444"></a>
-<span class="sourceLineNo">2445</span> public ClusterMetrics getClusterMetricsWithoutCoprocessor(EnumSet<Option> options)<a name="line.2445"></a>
-<span class="sourceLineNo">2446</span> throws InterruptedIOException {<a name="line.2446"></a>
-<span class="sourceLineNo">2447</span> ClusterMetricsBuilder builder = ClusterMetricsBuilder.newBuilder();<a name="line.2447"></a>
-<span class="sourceLineNo">2448</span> // given that hbase1 can't submit the request with Option,<a name="line.2448"></a>
-<span class="sourceLineNo">2449</span> // we return all information to client if the list of Option is empty.<a name="line.2449"></a>
-<span class="sourceLineNo">2450</span> if (options.isEmpty()) {<a name="line.2450"></a>
-<span class="sourceLineNo">2451</span> options = EnumSet.allOf(Option.class);<a name="line.2451"></a>
-<span class="sourceLineNo">2452</span> }<a name="line.2452"></a>
-<span class="sourceLineNo">2453</span><a name="line.2453"></a>
-<span class="sourceLineNo">2454</span> for (Option opt : options) {<a name="line.2454"></a>
-<span class="sourceLineNo">2455</span> switch (opt) {<a name="line.2455"></a>
-<span class="sourceLineNo">2456</span> case HBASE_VERSION: builder.setHBaseVersion(VersionInfo.getVersion()); break;<a name="line.2456"></a>
-<span class="sourceLineNo">2457</span> case CLUSTER_ID: builder.setClusterId(getClusterId()); break;<a name="line.2457"></a>
-<span class="sourceLineNo">2458</span> case MASTER: builder.setMasterName(getServerName()); break;<a name="line.2458"></a>
-<span class="sourceLineNo">2459</span> case BACKUP_MASTERS: builder.setBackerMasterNames(getBackupMasters()); break;<a name="line.2459"></a>
-<span class="sourceLineNo">2460</span> case LIVE_SERVERS: {<a name="line.2460"></a>
-<span class="sourceLineNo">2461</span> if (serverManager != null) {<a name="line.2461"></a>
-<span class="sourceLineNo">2462</span> builder.setLiveServerMetrics(serverManager.getOnlineServers().entrySet().stream()<a name="line.2462"></a>
-<span class="sourceLineNo">2463</span> .collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue())));<a name="line.2463"></a>
-<span class="sourceLineNo">2464</span> }<a name="line.2464"></a>
-<span class="sourceLineNo">2465</span> break;<a name="line.2465"></a>
-<span class="sourceLineNo">2466</span> }<a name="line.2466"></a>
-<span class="sourceLineNo">2467</span> case DEAD_SERVERS: {<a name="line.2467"></a>
-<span class="sourceLineNo">2468</span> if (serverManager != null) {<a name="line.2468"></a>
-<span class="sourceLineNo">2469</span> builder.setDeadServerNames(new ArrayList<>(<a name="line.2469"></a>
-<span class="sourceLineNo">2470</span> serverManager.getDeadServers().copyServerNames()));<a name="line.2470"></a>
-<span class="sourceLineNo">2471</span> }<a name="line.2471"></a>
-<span class="sourceLineNo">2472</span> break;<a name="line.2472"></a>
-<span class="sourceLineNo">2473</span> }<a name="line.2473"></a>
-<span class="sourceLineNo">2474</span> case MASTER_COPROCESSORS: {<a name="line.2474"></a>
-<span class="sourceLineNo">2475</span> if (cpHost != null) {<a name="line.2475"></a>
-<span class="sourceLineNo">2476</span> builder.setMasterCoprocessorNames(Arrays.asList(getMasterCoprocessors()));<a name="line.2476"></a>
-<span class="sourceLineNo">2477</span> }<a name="line.2477"></a>
-<span class="sourceLineNo">2478</span> break;<a name="line.2478"></a>
-<span class="sourceLineNo">2479</span> }<a name="line.2479"></a>
-<span class="sourceLineNo">2480</span> case REGIONS_IN_TRANSITION: {<a name="line.2480"></a>
-<span class="sourceLineNo">2481</span> if (assignmentManager != null) {<a name="line.2481"></a>
-<span class="sourceLineNo">2482</span> builder.setRegionsInTransition(assignmentManager.getRegionStates()<a name="line.2482"></a>
-<span class="sourceLineNo">2483</span> .getRegionsStateInTransition());<a name="line.2483"></a>
-<span class="sourceLineNo">2484</span> }<a name="line.2484"></a>
-<span class="sourceLineNo">2485</span> break;<a name="line.2485"></a>
-<span class="sourceLineNo">2486</span> }<a name="line.2486"></a>
-<span class="sourceLineNo">2487</span> case BALANCER_ON: {<a name="line.2487"></a>
-<span class="sourceLineNo">2488</span> if (loadBalancerTracker != null) {<a name="line.2488"></a>
-<span class="sourceLineNo">2489</span> builder.setBalancerOn(loadBalancerTracker.isBalancerOn());<a name="line.2489"></a>
-<span class="sourceLineNo">2490</span> }<a name="line.2490"></a>
-<span class="sourceLineNo">2491</span> break;<a name="line.2491"></a>
-<span class="sourceLineNo">2492</span> }<a name="line.2492"></a>
-<span class="sourceLineNo">2493</span> case MASTER_INFO_PORT: {<a name="line.2493"></a>
-<span class="sourceLineNo">2494</span> if (infoServer != null) {<a name="line.2494"></a>
-<span class="sourceLineNo">2495</span> builder.setMasterInfoPort(infoServer.getPort());<a name="line.2495"></a>
-<span class="sourceLineNo">2496</span> }<a name="line.2496"></a>
-<span class="sourceLineNo">2497</span> break;<a name="line.2497"></a>
-<span class="sourceLineNo">2498</span> }<a name="line.2498"></a>
-<span class="sourceLineNo">2499</span> }<a name="line.2499"></a>
-<span class="sourceLineNo">2500</span> }<a name="line.2500"></a>
-<span class="sourceLineNo">2501</span> return builder.build();<a name="line.2501"></a>
-<span class="sourceLineNo">2502</span> }<a name="line.2502"></a>
-<span class="sourceLineNo">2503</span><a name="line.2503"></a>
-<span class="sourceLineNo">2504</span> /**<a name="line.2504"></a>
-<span class="sourceLineNo">2505</span> * @return cluster status<a name="line.2505"></a>
-<span class="sourceLineNo">2506</span> */<a name="line.2506"></a>
-<span class="sourceLineNo">2507</span> public ClusterMetrics getClusterMetrics() throws IOException {<a name="line.2507"></a>
-<span class="sourceLineNo">2508</span> return getClusterMetrics(EnumSet.allOf(Option.class));<a name="line.2508"></a>
-<span class="sourceLineNo">2509</span> }<a name="line.2509"></a>
-<span class="sourceLineNo">2510</span><a name="line.2510"></a>
-<span class="sourceLineNo">2511</span> public ClusterMetrics getClusterMetrics(EnumSet<Option> options) throws IOException {<a name="line.2511"></a>
-<span class="sourceLineNo">2512</span> if (cpHost != null) {<a name="line.2512"></a>
-<span class="sourceLineNo">2513</span> cpHost.preGetClusterMetrics();<a name="line.2513"></a>
-<span class="sourceLineNo">2514</span> }<a name="line.2514"></a>
-<span class="sourceLineNo">2515</span> ClusterMetrics status = getClusterMetricsWithoutCoprocessor(options);<a name="line.2515"></a>
-<span class="sourceLineNo">2516</span> if (cpHost != null) {<a name="line.2516"></a>
-<span class="sourceLineNo">2517</span> cpHost.postGetClusterMetrics(status);<a name="line.2517"></a>
-<span class="sourceLineNo">2518</span> }<a name="line.2518"></a>
-<span class="sourceLineNo">2519</span> return status;<a name="line.2519"></a>
-<span class="sourceLineNo">2520</span> }<a name="line.2520"></a>
-<span class="sourceLineNo">2521</span><a name="line.2521"></a>
-<span class="sourceLineNo">2522</span> private List<ServerName> getBackupMasters() throws InterruptedIOException {<a name="line.2522"></a>
-<span class="sourceLineNo">2523</span> // Build Set of backup masters from ZK nodes<a name="line.2523"></a>
-<span class="sourceLineNo">2524</span> List<String> backupMasterStrings;<a name="line.2524"></a>
-<span class="sourceLineNo">2525</span> try {<a name="line.2525"></a>
-<span class="sourceLineNo">2526</span> backupMasterStrings = ZKUtil.listChildrenNoWatch(this.zooKeeper,<a name="line.2526"></a>
-<span class="sourceLineNo">2527</span> this.zooKeeper.znodePaths.backupMasterAddressesZNode);<a name="line.2527"></a>
-<span class="sourceLineNo">2528</span> } catch (KeeperException e) {<a name="line.2528"></a>
-<span class="sourceLineNo">2529</span> LOG.warn(this.zooKeeper.prefix("Unable to list backup servers"), e);<a name="line.2529"></a>
-<span class="sourceLineNo">2530</span> backupMasterStrings = null;<a name="line.2530"></a>
-<span class="sourceLineNo">2531</span> }<a name="line.2531"></a>
-<span class="sourceLineNo">2532</span><a name="line.2532"></a>
-<span class="sourceLineNo">2533</span> List<ServerName> backupMasters = Collections.emptyList();<a name="line.2533"></a>
-<span class="sourceLineNo">2534</span> if (backupMasterStrings != null && !backupMasterStrings.isEmpty()) {<a name="line.2534"></a>
-<span class="sourceLineNo">2535</span> backupMasters = new ArrayList<>(backupMasterStrings.size());<a name="line.2535"></a>
-<span class="sourceLineNo">2536</span> for (String s: backupMasterStrings) {<a name="line.2536"></a>
-<span class="sourceLineNo">2537</span> try {<a name="line.2537"></a>
-<span class="sourceLineNo">2538</span> byte [] bytes;<a name="line.2538"></a>
-<span class="sourceLineNo">2539</span> try {<a name="line.2539"></a>
-<span class="sourceLineNo">2540</span> bytes = ZKUtil.getData(this.zooKeeper, ZNodePaths.joinZNode(<a name="line.2540"></a>
-<span class="sourceLineNo">2541</span> this.zooKeeper.znodePaths.backupMasterAddressesZNode, s));<a name="line.2541"></a>
-<span class="sourceLineNo">2542</span> } catch (InterruptedException e) {<a name="line.2542"></a>
-<span class="sourceLineNo">2543</span> throw new InterruptedIOException();<a name="line.2543"></a>
-<span class="sourceLineNo">2544</span> }<a name="line.2544"></a>
-<span class="sourceLineNo">2545</span> if (bytes != null) {<a name="line.2545"></a>
-<span class="sourceLineNo">2546</span> ServerName sn;<a name="line.2546"></a>
-<span class="sourceLineNo">2547</span> try {<a name="line.2547"></a>
-<span class="sourceLineNo">2548</span> sn = ProtobufUtil.parseServerNameFrom(bytes);<a name="line.2548"></a>
-<span class="sourceLineNo">2549</span> } catch (DeserializationException e) {<a name="line.2549"></a>
-<span class="sourceLineNo">2550</span> LOG.warn("Failed parse, skipping registering backup server", e);<a name="line.2550"></a>
-<span class="sourceLineNo">2551</span> continue;<a name="line.2551"></a>
-<span class="sourceLineNo">2552</span> }<a name="line.2552"></a>
-<span class="sourceLineNo">2553</span> backupMasters.add(sn);<a name="line.2553"></a>
-<span class="sourceLineNo">2554</span> }<a name="line.2554"></a>
-<span class="sourceLineNo">2555</span> } catch (KeeperException e) {<a name="line.2555"></a>
-<span class="sourceLineNo">2556</span> LOG.warn(this.zooKeeper.prefix("Unable to get information about " +<a name="line.2556"></a>
-<span class="sourceLineNo">2557</span> "backup servers"), e);<a name="line.2557"></a>
-<span class="sourceLineNo">2558</span> }<a name="line.2558"></a>
-<span class="sourceLineNo">2559</span> }<a name="line.2559"></a>
-<span class="sourceLineNo">2560</span> Collections.sort(backupMasters, new Comparator<ServerName>() {<a name="line.2560"></a>
-<span class="sourceLineNo">2561</span> @Override<a name="line.2561"></a>
-<span class="sourceLineNo">2562</span> public int compare(ServerName s1, ServerName s2) {<a name="line.2562"></a>
-<span class="sourceLineNo">2563</span> return s1.getServerName().compareTo(s2.getServerName());<a name="line.2563"></a>
-<span class="sourceLineNo">2564</span> }});<a name="line.2564"></a>
-<span class="sourceLineNo">2565</span> }<a name="line.2565"></a>
-<span class="sourceLineNo">2566</span> return backupMasters;<a name="line.2566"></a>
-<span class="sourceLineNo">2567</span> }<a name="line.2567"></a>
-<span class="sourceLineNo">2568</span><a name="line.2568"></a>
-<span class="sourceLineNo">2569</span> /**<a name="line.2569"></a>
-<span class="sourceLineNo">2570</span> * The set of loaded coprocessors is stored in a static set. Since it's<a name="line.2570"></a>
-<span class="sourceLineNo">2571</span> * statically allocated, it does not require that HMaster's cpHost be<a name="line.2571"></a>
-<span class="sourceLineNo">2572</span> * initialized prior to accessing it.<a name="line.2572"></a>
-<span class="sourceLineNo">2573</span> * @return a String representation of the set of names of the loaded coprocessors.<a name="line.2573"></a>
-<span class="sourceLineNo">2574</span> */<a name="line.2574"></a>
-<span class="sourceLineNo">2575</span> public static String getLoadedCoprocessors() {<a name="line.2575"></a>
-<span class="sourceLineNo">2576</span> return CoprocessorHost.getLoadedCoprocessors().toString();<a name="line.2576"></a>
-<span class="sourceLineNo">2577</span> }<a name="line.2577"></a>
-<span class="sourceLineNo">2578</span><a name="line.2578"></a>
-<span class="sourceLineNo">2579</span> /**<a name="line.2579"></a>
-<span class="sourceLineNo">2580</span> * @return timestamp in millis when HMaster was started.<a name="line.2580"></a>
-<span class="sourceLineNo">2581</span> */<a name="line.2581"></a>
-<span class="sourceLineNo">2582</span> public long getMasterStartTime() {<a name="line.2582"></a>
-<span class="sourceLineNo">2583</span> return startcode;<a name="line.2583"></a>
-<span class="sourceLineNo">2584</span> }<a name="line.2584"></a>
-<span class="sourceLineNo">2585</span><a name="line.2585"></a>
-<span class="sourceLineNo">2586</span> /**<a name="line.2586"></a>
-<span class="sourceLineNo">2587</span> * @return timestamp in millis when HMaster became the active master.<a name="line.2587"></a>
-<span class="sourceLineNo">2588</span> */<a name="line.2588"></a>
-<span class="sourceLineNo">2589</span> public long getMasterActiveTime() {<a name="line.2589"></a>
-<span class="sourceLineNo">2590</span> return masterActiveTime;<a name="line.2590"></a>
-<span class="sourceLineNo">2591</span> }<a name="line.2591"></a>
-<span class="sourceLineNo">2592</span><a name="line.2592"></a>
-<span class="sourceLineNo">2593</span> /**<a name="line.2593"></a>
-<span class="sourceLineNo">2594</span> * @return timestamp in millis when HMaster finished becoming the active master<a name="line.2594"></a>
-<span class="sourceLineNo">2595</span> */<a name="line.2595"></a>
-<span class="sourceLineNo">2596</span> public long getMasterFinishedInitializationTime() {<a name="line.2596"></a>
-<span class="sourceLineNo">2597</span> return masterFinishedInitializationTime;<a name="line.2597"></a>
-<span class="sourceLineNo">2598</span> }<a name="line.2598"></a>
-<span class="sourceLineNo">2599</span><a name="line.2599"></a>
-<span class="sourceLineNo">2600</span> public int getNumWALFiles() {<a name="line.2600"></a>
-<span class="sourceLineNo">2601</span> return procedureStore != null ? procedureStore.getActiveLogs().size() : 0;<a name="line.2601"></a>
-<span class="sourceLineNo">2602</span> }<a name="line.2602"></a>
-<span class="sourceLineNo">2603</span><a name="line.2603"></a>
-<span class="sourceLineNo">2604</span> public WALProcedureStore getWalProcedureStore() {<a name="line.2604"></a>
-<span class="sourceLineNo">2605</span> return procedureStore;<a name="line.2605"></a>
-<span class="sourceLineNo">2606</span> }<a name="line.2606"></a>
-<span class="sourceLineNo">2607</span><a name="line.2607"></a>
-<span class="sourceLineNo">2608</span> public int getRegionServerInfoPort(final ServerName sn) {<a name="line.2608"></a>
-<span class="sourceLineNo">2609</span> RegionServerInfo info = this.regionServerTracker.getRegionServerInfo(sn);<a name="line.2609"></a>
-<span class="sourceLineNo">2610</span> if (info == null || info.getInfoPort() == 0) {<a name="line.2610"></a>
-<span class="sourceLineNo">2611</span> return conf.getInt(HConstants.REGIONSERVER_INFO_PORT,<a name="line.2611"></a>
-<span class="sourceLineNo">2612</span> HConstants.DEFAULT_REGIONSERVER_INFOPORT);<a name="line.2612"></a>
-<span class="sourceLineNo">2613</span> }<a name="line.2613"></a>
-<span class="sourceLineNo">2614</span> return info.getInfoPort();<a name="line.2614"></a>
-<span class="sourceLineNo">2615</span> }<a name="line.2615"></a>
-<span class="sourceLineNo">2616</span><a name="line.2616"></a>
-<span class="sourceLineNo">2617</span> @Override<a name="line.2617"></a>
-<span class="sourceLineNo">2618</span> public String getRegionServerVersion(final ServerName sn) {<a name="line.2618"></a>
-<span class="sourceLineNo">2619</span> RegionServerInfo info = this.regionServerTracker.getRegionServerInfo(sn);<a name="line.2619"></a>
-<span class="sourceLineNo">2620</span> if (info != null && info.hasVersionInfo()) {<a name="line.2620"></a>
-<span class="sourceLineNo">2621</span> return info.getVersionInfo().getVersion();<a name="line.2621"></a>
-<span class="sourceLineNo">2622</span> }<a name="line.2622"></a>
-<span class="sourceLineNo">2623</span> return "0.0.0"; //Lowest version to prevent move system region to unknown version RS.<a name="line.2623"></a>
-<span class="sourceLineNo">2624</span> }<a name="line.2624"></a>
-<span class="sourceLineNo">2625</span><a name="line.2625"></a>
-<span class="sourceLineNo">2626</span> @Override<a name="line.2626"></a>
-<span class="sourceLineNo">2627</span> public void checkIfShouldMoveSystemRegionAsync() {<a name="line.2627"></a>
-<span class="sourceLineNo">2628</span> assignmentManager.checkIfShouldMoveSystemRegionAsync();<a name="line.2628"></a>
-<span class="sourceLineNo">2629</span> }<a name="line.2629"></a>
-<span class="sourceLineNo">2630</span><a name="line.2630"></a>
-<span class="sourceLineNo">2631</span> /**<a name="line.2631"></a>
-<span class="sourceLineNo">2632</span> * @return array of coprocessor SimpleNames.<a name="line.2632"></a>
-<span class="sourceLineNo">2633</span> */<a name="line.2633"></a>
-<span class="sourceLineNo">2634</span> public String[] getMasterCoprocessors() {<a name="line.2634"></a>
-<span class="sourceLineNo">2635</span> Set<String> masterCoprocessors = getMasterCoprocessorHost().getCoprocessors();<a name="line.2635"></a>
-<span class="sourceLineNo">2636</span> return masterCoprocessors.toArray(new String[masterCoprocessors.size()]);<a name="line.2636"></a>
-<span class="sourceLineNo">2637</span> }<a name="line.2637"></a>
-<span class="sourceLineNo">2638</span><a name="line.2638"></a>
-<span class="sourceLineNo">2639</span> @Override<a name="line.2639"></a>
-<span class="sourceLineNo">2640</span> public void abort(String reason, Throwable cause) {<a name="line.2640"></a>
-<span class="sourceLineNo">2641</span> if (isAborted() || isStopped()) {<a name="line.2641"></a>
-<span class="sourceLineNo">2642</span> return;<a name="line.2642"></a>
-<span class="sourceLineNo">2643</span> }<a name="line.2643"></a>
-<span class="sourceLineNo">2644</span> if (cpHost != null) {<a name="line.2644"></a>
-<span class="sourceLineNo">2645</span> // HBASE-4014: dump a list of loaded coprocessors.<a name="line.2645"></a>
-<span class="sourceLineNo">2646</span> LOG.error(HBaseMarkers.FATAL, "Master server abort: loaded coprocessors are: " +<a name="line.2646"></a>
-<span class="sourceLineNo">2647</span> getLoadedCoprocessors());<a name="line.2647"></a>
-<span class="sourceLineNo">2648</span> }<a name="line.2648"></a>
-<span class="sourceLineNo">2649</span> String msg = "***** ABORTING master " + this + ": " + reason + " *****";<a name="line.2649"></a>
-<span class="sourceLineNo">2650</span> if (cause != null) {<a name="line.2650"></a>
-<span class="sourceLineNo">2651</span> LOG.error(HBaseMarkers.FATAL, msg, cause);<a name="line.2651"></a>
-<span class="sourceLineNo">2652</span> } else {<a name="line.2652"></a>
-<span class="sourceLineNo">2653</span> LOG.error(HBaseMarkers.FATAL, msg);<a name="line.2653"></a>
-<span class="sourceLineNo">2654</span> }<a name="line.2654"></a>
-<span class="sourceLineNo">2655</span><a name="line.2655"></a>
-<span class="sourceLineNo">2656</span> try {<a name="line.2656"></a>
-<span class="sourceLineNo">2657</span> stopMaster();<a name="line.2657"></a>
-<span class="sourceLineNo">2658</span> } catch (IOException e) {<a name="line.2658"></a>
-<span class="sourceLineNo">2659</span> LOG.error("Exception occurred while stopping master", e);<a name="line.2659"></a>
-<span class="sourceLineNo">2660</span> }<a name="line.2660"></a>
-<span class="sourceLineNo">2661</span> }<a name="line.2661"></a>
-<span class="sourceLineNo">2662</span><a name="line.2662"></a>
-<span class="sourceLineNo">2663</span> @Override<a name="line.2663"></a>
-<span class="sourceLineNo">2664</span> public ZKWatcher getZooKeeper() {<a name="line.2664"></a>
-<span class="sourceLineNo">2665</span> return zooKeeper;<a name="line.2665"></a>
-<span class="sourceLineNo">2666</span> }<a name="line.2666"></a>
-<span class="sourceLineNo">2667</span><a name="line.2667"></a>
-<span class="sourceLineNo">2668</span> @Override<a name="line.2668"></a>
-<span class="sourceLineNo">2669</span> public MasterCoprocessorHost getMasterCoprocessorHost() {<a name="line.2669"></a>
-<span class="sourceLineNo">2670</span> return cpHost;<a name="line.2670"></a>
-<span class="sourceLineNo">2671</span> }<a name="line.2671"></a>
-<span class="sourceLineNo">2672</span><a name="line.2672"></a>
-<span class="sourceLineNo">2673</span> @Override<a name="line.2673"></a>
-<span class="sourceLineNo">2674</span> public MasterQuotaManager getMasterQuotaManager() {<a name="line.2674"></a>
-<span class="sourceLineNo">2675</span> return quotaManager;<a name="line.2675"></a>
-<span class="sourceLineNo">2676</span> }<a name="line.2676"></a>
-<span class="sourceLineNo">2677</span><a name="line.2677"></a>
-<span class="sourceLineNo">2678</span> @Override<a name="line.2678"></a>
-<span class="sourceLineNo">2679</span> public ProcedureExecutor<MasterProcedureEnv> getMasterProcedureExecutor() {<a name="line.2679"></a>
-<span class="sourceLineNo">2680</span> return procedureExecutor;<a name="line.2680"></a>
-<span class="sourceLineNo">2681</span> }<a name="line.2681"></a>
-<span class="sourceLineNo">2682</span><a name="line.2682"></a>
-<span class="sourceLineNo">2683</span> @Override<a name="line.2683"></a>
-<span class="sourceLineNo">2684</span> public ServerName getServerName() {<a name="line.2684"></a>
-<span class="sourceLineNo">2685</span> return this.serverName;<a name="line.2685"></a>
-<span class="sourceLineNo">2686</span> }<a name="line.2686"></a>
-<span class="sourceLineNo">2687</span><a name="line.2687"></a>
-<span class="sourceLineNo">2688</span> @Override<a name="line.2688"></a>
-<span class="sourceLineNo">2689</span> public AssignmentManager getAssignmentManager() {<a name="line.2689"></a>
-<span class="sourceLineNo">2690</span> return this.assignmentManager;<a name="line.2690"></a>
-<span class="sourceLineNo">2691</span> }<a name="line.2691"></a>
-<span class="sourceLineNo">2692</span><a name="line.2692"></a>
-<span class="sourceLineNo">2693</span> @Override<a name="line.2693"></a>
-<span class="sourceLineNo">2694</span> public CatalogJanitor getCatalogJanitor() {<a name="line.2694"></a>
-<span class="sourceLineNo">2695</span> return this.catalogJanitorChore;<a name="line.2695"></a>
-<span class="sourceLineNo">2696</span> }<a name="line.2696"></a>
-<span class="sourceLineNo">2697</span><a name="line.2697"></a>
-<span class="sourceLineNo">2698</span> public MemoryBoundedLogMessageBuffer getRegionServerFatalLogBuffer() {<a name="line.2698"></a>
-<span class="sourceLineNo">2699</span> return rsFatals;<a name="line.2699"></a>
-<span class="sourceLineNo">2700</span> }<a name="line.2700"></a>
-<span class="sourceLineNo">2701</span><a name="line.2701"></a>
-<span class="sourceLineNo">2702</span> /**<a name="line.2702"></a>
-<span class="sourceLineNo">2703</span> * Shutdown the cluster.<a name="line.2703"></a>
-<span class="sourceLineNo">2704</span> * Master runs a coordinated stop of all RegionServers and then itself.<a name="line.2704"></a>
-<span class="sourceLineNo">2705</span> */<a name="line.2705"></a>
-<span class="sourceLineNo">2706</span> public void shutdown() throws IOException {<a name="line.2706"></a>
-<span class="sourceLineNo">2707</span> if (cpHost != null) {<a name="line.2707"></a>
-<span class="sourceLineNo">2708</span> cpHost.preShutdown();<a name="line.2708"></a>
-<span class="sourceLineNo">2709</span> }<a name="line.2709"></a>
-<span class="sourceLineNo">2710</span> // Tell the servermanager cluster shutdown has been called. This makes it so when Master is<a name="line.2710"></a>
-<span class="sourceLineNo">2711</span> // last running server, it'll stop itself. Next, we broadcast the cluster shutdown by setting<a name="line.2711"></a>
-<span class="sourceLineNo">2712</span> // the cluster status as down. RegionServers will notice this change in state and will start<a name="line.2712"></a>
-<span class="sourceLineNo">2713</span> // shutting themselves down. When last has exited, Master can go down.<a name="line.2713"></a>
-<span class="sourceLineNo">2714</span> if (this.serverManager != null) {<a name="line.2714"></a>
-<span class="sourceLineNo">2715</span> this.serverManager.shutdownCluster();<a name="line.2715"></a>
-<span class="sourceLineNo">2716</span> }<a name="line.2716"></a>
-<span class="sourceLineNo">2717</span> if (this.clusterStatusTracker != null) {<a name="line.2717"></a>
-<span class="sourceLineNo">2718</span> try {<a name="line.2718"></a>
-<span class="sourceLineNo">2719</span> this.clusterStatusTracker.setClusterDown();<a name="line.2719"></a>
-<span class="sourceLineNo">2720</span> } catch (KeeperException e) {<a name="line.2720"></a>
-<span class="sourceLineNo">2721</span> LOG.error("ZooKeeper exception trying to set cluster as down in ZK", e);<a name="line.2721"></a>
-<span class="sourceLineNo">2722</span> }<a name="line.2722"></a>
-<span class="sourceLineNo">2723</span> }<a name="line.2723"></a>
-<span class="sourceLineNo">2724</span> // Stop the procedure executor. Will stop any ongoing assign, unassign, server crash etc.,<a name="line.2724"></a>
-<span class="sourceLineNo">2725</span> // processing so we can go down.<a name="line.2725"></a>
-<span class="sourceLineNo">2726</span> if (this.procedureExecutor != null) {<a name="line.2726"></a>
-<span class="sourceLineNo">2727</span> this.procedureExecutor.stop();<a name="line.2727"></a>
-<span class="sourceLineNo">2728</span> }<a name="line.2728"></a>
-<span class="sourceLineNo">2729</span> // Shutdown our cluster connection. This will kill any hosted RPCs that might be going on;<a name="line.2729"></a>
-<span class="sourceLineNo">2730</span> // this is what we want especially if the Master is in startup phase doing call outs to<a name="line.2730"></a>
-<span class="sourceLineNo">2731</span> // hbase:meta, etc. when cluster is down. Without ths connection close, we'd have to wait on<a name="line.2731"></a>
-<span class="sourceLineNo">2732</span> // the rpc to timeout.<a name="line.2732"></a>
-<span class="sourceLineNo">2733</span> if (this.clusterConnection != null) {<a name="line.2733"></a>
-<span class="sourceLineNo">2734</span> this.clusterConnection.close();<a name="line.2734"></a>
-<span class="sourceLineNo">2735</span> }<a name="line.2735"></a>
-<span class="sourceLineNo">2736</span> }<a name="line.2736"></a>
-<span class="sourceLineNo">2737</span><a name="line.2737"></a>
-<span class="sourceLineNo">2738</span> public void stopMaster() throws IOException {<a name="line.2738"></a>
-<span class="sourceLineNo">2739</span> if (cpHost != null) {<a name="line.2739"></a>
-<span class="sourceLineNo">2740</span> cpHost.preStopMaster();<a name="line.2740"></a>
-<span class="sourceLineNo">2741</span> }<a name="line.2741"></a>
-<span class="sourceLineNo">2742</span> stop("Stopped by " + Thread.currentThread().getName());<a name="line.2742"></a>
-<span class="sourceLineNo">2743</span> }<a name="line.2743"></a>
-<span class="sourceLineNo">2744</span><a name="line.2744"></a>
-<span class="sourceLineNo">2745</span> @Override<a name="line.2745"></a>
-<span class="sourceLineNo">2746</span> public void stop(String msg) {<a name="line.2746"></a>
-<span class="sourceLineNo">2747</span> if (!isStopped()) {<a name="line.2747"></a>
-<span class="sourceLineNo">2748</span> super.stop(msg);<a name="line.2748"></a>
-<span class="sourceLineNo">2749</span> if (this.activeMasterManager != null) {<a name="line.2749"></a>
-<span class="sourceLineNo">2750</span> this.activeMasterManager.stop();<a name="line.2750"></a>
-<span class="sourceLineNo">2751</span> }<a name="line.2751"></a>
-<span class="sourceLineNo">2752</span> }<a name="line.2752"></a>
-<span class="sourceLineNo">2753</span> }<a name="line.2753"></a>
-<span class="sourceLineNo">2754</span><a name="line.2754"></a>
-<span class="sourceLineNo">2755</span> void checkServiceStarted() throws ServerNotRunningYetException {<a name="line.2755"></a>
-<span class="sourceLineNo">2756</span> if (!serviceStarted) {<a name="line.2756"></a>
-<span class="sourceLineNo">2757</span> throw new ServerNotRunningYetException("Server is not running yet");<a name="line.2757"></a>
-<span class="sourceLineNo">2758</span> }<a name="line.2758"></a>
-<span class="sourceLineNo">2759</span> }<a name="line.2759"></a>
-<span class="sourceLineNo">2760</span><a name="line.2760"></a>
-<span class="sourceLineNo">2761</span> public static class MasterStoppedException extends DoNotRetryIOException {<a name="line.2761"></a>
-<span class="sourceLineNo">2762</span> MasterStoppedException() {<a name="line.2762"></a>
-<span class="sourceLineNo">2763</span> super();<a name="line.2763"></a>
-<span class="sourceLineNo">2764</span> }<a name="line.2764"></a>
-<span class="sourceLineNo">2765</span> }<a name="line.2765"></a>
-<span class="sourceLineNo">2766</span><a name="line.2766"></a>
-<span class="sourceLineNo">2767</span> void checkInitialized() throws PleaseHoldException, ServerNotRunningYetException,<a name="line.2767"></a>
-<span class="sourceLineNo">2768</span> MasterNotRunningException, MasterStoppedException {<a name="line.2768"></a>
-<span class="sourceLineNo">2769</span> checkServiceStarted();<a name="line.2769"></a>
-<span class="sourceLineNo">2770</span> if (!isInitialized()) {<a name="line.2770"></a>
-<span class="sourceLineNo">2771</span> throw new PleaseHoldException("Master is initializing");<a name="line.2771"></a>
-<span class="sourceLineNo">2772</span> }<a name="line.2772"></a>
-<span class="sourceLineNo">2773</span> if (isStopped()) {<a name="line.2773"></a>
-<span class="sourceLineNo">2774</span> throw new MasterStoppedException();<a name="line.2774"></a>
+<span class="sourceLineNo">2378</span> LOG.info(getClientIdAuditPrefix() + " modify " + tableName);<a name="line.2378"></a>
+<span class="sourceLineNo">2379</span><a name="line.2379"></a>
+<span class="sourceLineNo">2380</span> // Execute the operation synchronously - wait for the operation completes before continuing.<a name="line.2380"></a>
+<span class="sourceLineNo">2381</span> //<a name="line.2381"></a>
+<span class="sourceLineNo">2382</span> // We need to wait for the procedure to potentially fail due to "prepare" sanity<a name="line.2382"></a>
+<span class="sourceLineNo">2383</span> // checks. This will block only the beginning of the procedure. See HBASE-19953.<a name="line.2383"></a>
+<span class="sourceLineNo">2384</span> ProcedurePrepareLatch latch = ProcedurePrepareLatch.createBlockingLatch();<a name="line.2384"></a>
+<span class="sourceLineNo">2385</span> submitProcedure(<a name="line.2385"></a>
+<span class="sourceLineNo">2386</span> new ModifyTableProcedure(procedureExecutor.getEnvironment(), newDescriptor, latch));<a name="line.2386"></a>
+<span class="sourceLineNo">2387</span> latch.await();<a name="line.2387"></a>
+<span class="sourceLineNo">2388</span><a name="line.2388"></a>
+<span class="sourceLineNo">2389</span> getMaster().getMasterCoprocessorHost()<a name="line.2389"></a>
+<span class="sourceLineNo">2390</span> .postModifyTable(tableName, oldDescriptor, newDescriptor);<a name="line.2390"></a>
+<span class="sourceLineNo">2391</span> }<a name="line.2391"></a>
+<span class="sourceLineNo">2392</span><a name="line.2392"></a>
+<span class="sourceLineNo">2393</span> @Override<a name="line.2393"></a>
+<span class="sourceLineNo">2394</span> protected String getDescription() {<a name="line.2394"></a>
+<span class="sourceLineNo">2395</span> return "ModifyTableProcedure";<a name="line.2395"></a>
+<span class="sourceLineNo">2396</span> }<a name="line.2396"></a>
+<span class="sourceLineNo">2397</span> });<a name="line.2397"></a>
+<span class="sourceLineNo">2398</span> }<a name="line.2398"></a>
+<span class="sourceLineNo">2399</span><a name="line.2399"></a>
+<span class="sourceLineNo">2400</span> public long restoreSnapshot(final SnapshotDescription snapshotDesc,<a name="line.2400"></a>
+<span class="sourceLineNo">2401</span> final long nonceGroup, final long nonce, final boolean restoreAcl) throws IOException {<a name="line.2401"></a>
+<span class="sourceLineNo">2402</span> checkInitialized();<a name="line.2402"></a>
+<span class="sourceLineNo">2403</span> getSnapshotManager().checkSnapshotSupport();<a name="line.2403"></a>
+<span class="sourceLineNo">2404</span><a name="line.2404"></a>
+<span class="sourceLineNo">2405</span> // Ensure namespace exists. Will throw exception if non-known NS.<a name="line.2405"></a>
+<span class="sourceLineNo">2406</span> final TableName dstTable = TableName.valueOf(snapshotDesc.getTable());<a name="line.2406"></a>
+<span class="sourceLineNo">2407</span> getClusterSchema().getNamespace(dstTable.getNamespaceAsString());<a name="line.2407"></a>
+<span class="sourceLineNo">2408</span><a name="line.2408"></a>
+<span class="sourceLineNo">2409</span> return MasterProcedureUtil.submitProcedure(<a name="line.2409"></a>
+<span class="sourceLineNo">2410</span> new MasterProcedureUtil.NonceProcedureRunnable(this, nonceGroup, nonce) {<a name="line.2410"></a>
+<span class="sourceLineNo">2411</span> @Override<a name="line.2411"></a>
+<span class="sourceLineNo">2412</span> protected void run() throws IOException {<a name="line.2412"></a>
+<span class="sourceLineNo">2413</span> setProcId(<a name="line.2413"></a>
+<span class="sourceLineNo">2414</span> getSnapshotManager().restoreOrCloneSnapshot(snapshotDesc, getNonceKey(), restoreAcl));<a name="line.2414"></a>
+<span class="sourceLineNo">2415</span> }<a name="line.2415"></a>
+<span class="sourceLineNo">2416</span><a name="line.2416"></a>
+<span class="sourceLineNo">2417</span> @Override<a name="line.2417"></a>
+<span class="sourceLineNo">2418</span> protected String getDescription() {<a name="line.2418"></a>
+<span class="sourceLineNo">2419</span> return "RestoreSnapshotProcedure";<a name="line.2419"></a>
+<span class="sourceLineNo">2420</span> }<a name="line.2420"></a>
+<span class="sourceLineNo">2421</span> });<a name="line.2421"></a>
+<span class="sourceLineNo">2422</span> }<a name="line.2422"></a>
+<span class="sourceLineNo">2423</span><a name="line.2423"></a>
+<span class="sourceLineNo">2424</span> private void checkTableExists(final TableName tableName)<a name="line.2424"></a>
+<span class="sourceLineNo">2425</span> throws IOException, TableNotFoundException {<a name="line.2425"></a>
+<span class="sourceLineNo">2426</span> if (!MetaTableAccessor.tableExists(getConnection(), tableName)) {<a name="line.2426"></a>
+<span class="sourceLineNo">2427</span> throw new TableNotFoundException(tableName);<a name="line.2427"></a>
+<span class="sourceLineNo">2428</span> }<a name="line.2428"></a>
+<span class="sourceLineNo">2429</span> }<a name="line.2429"></a>
+<span class="sourceLineNo">2430</span><a name="line.2430"></a>
+<span class="sourceLineNo">2431</span> @Override<a name="line.2431"></a>
+<span class="sourceLineNo">2432</span> public void checkTableModifiable(final TableName tableName)<a name="line.2432"></a>
+<span class="sourceLineNo">2433</span> throws IOException, TableNotFoundException, TableNotDisabledException {<a name="line.2433"></a>
+<span class="sourceLineNo">2434</span> if (isCatalogTable(tableName)) {<a name="line.2434"></a>
+<span class="sourceLineNo">2435</span> throw new IOException("Can't modify catalog tables");<a name="line.2435"></a>
+<span class="sourceLineNo">2436</span> }<a name="line.2436"></a>
+<span class="sourceLineNo">2437</span> checkTableExists(tableName);<a name="line.2437"></a>
+<span class="sourceLineNo">2438</span> TableState ts = getTableStateManager().getTableState(tableName);<a name="line.2438"></a>
+<span class="sourceLineNo">2439</span> if (!ts.isDisabled()) {<a name="line.2439"></a>
+<span class="sourceLineNo">2440</span> throw new TableNotDisabledException("Not DISABLED; " + ts);<a name="line.2440"></a>
+<span class="sourceLineNo">2441</span> }<a name="line.2441"></a>
+<span class="sourceLineNo">2442</span> }<a name="line.2442"></a>
+<span class="sourceLineNo">2443</span><a name="line.2443"></a>
+<span class="sourceLineNo">2444</span> public ClusterMetrics getClusterMetricsWithoutCoprocessor() throws InterruptedIOException {<a name="line.2444"></a>
+<span class="sourceLineNo">2445</span> return getClusterMetricsWithoutCoprocessor(EnumSet.allOf(Option.class));<a name="line.2445"></a>
+<span class="sourceLineNo">2446</span> }<a name="line.2446"></a>
+<span class="sourceLineNo">2447</span><a name="line.2447"></a>
+<span class="sourceLineNo">2448</span> public ClusterMetrics getClusterMetricsWithoutCoprocessor(EnumSet<Option> options)<a name="line.2448"></a>
+<span class="sourceLineNo">2449</span> throws InterruptedIOException {<a name="line.2449"></a>
+<span class="sourceLineNo">2450</span> ClusterMetricsBuilder builder = ClusterMetricsBuilder.newBuilder();<a name="line.2450"></a>
+<span class="sourceLineNo">2451</span> // given that hbase1 can't submit the request with Option,<a name="line.2451"></a>
+<span class="sourceLineNo">2452</span> // we return all information to client if the list of Option is empty.<a name="line.2452"></a>
+<span class="sourceLineNo">2453</span> if (options.isEmpty()) {<a name="line.2453"></a>
+<span class="sourceLineNo">2454</span> options = EnumSet.allOf(Option.class);<a name="line.2454"></a>
+<span class="sourceLineNo">2455</span> }<a name="line.2455"></a>
+<span class="sourceLineNo">2456</span><a name="line.2456"></a>
+<span class="sourceLineNo">2457</span> for (Option opt : options) {<a name="line.2457"></a>
+<span class="sourceLineNo">2458</span> switch (opt) {<a name="line.2458"></a>
+<span class="sourceLineNo">2459</span> case HBASE_VERSION: builder.setHBaseVersion(VersionInfo.getVersion()); break;<a name="line.2459"></a>
+<span class="sourceLineNo">2460</span> case CLUSTER_ID: builder.setClusterId(getClusterId()); break;<a name="line.2460"></a>
+<span class="sourceLineNo">2461</span> case MASTER: builder.setMasterName(getServerName()); break;<a name="line.2461"></a>
+<span class="sourceLineNo">2462</span> case BACKUP_MASTERS: builder.setBackerMasterNames(getBackupMasters()); break;<a name="line.2462"></a>
+<span class="sourceLineNo">2463</span> case LIVE_SERVERS: {<a name="line.2463"></a>
+<span class="sourceLineNo">2464</span> if (serverManager != null) {<a name="line.2464"></a>
+<span class="sourceLineNo">2465</span> builder.setLiveServerMetrics(serverManager.getOnlineServers().entrySet().stream()<a name="line.2465"></a>
+<span class="sourceLineNo">2466</span> .collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue())));<a name="line.2466"></a>
+<span class="sourceLineNo">2467</span> }<a name="line.2467"></a>
+<span class="sourceLineNo">2468</span> break;<a name="line.2468"></a>
+<span class="sourceLineNo">2469</span> }<a name="line.2469"></a>
+<span class="sourceLineNo">2470</span> case DEAD_SERVERS: {<a name="line.2470"></a>
+<span class="sourceLineNo">2471</span> if (serverManager != null) {<a name="line.2471"></a>
+<span class="sourceLineNo">2472</span> builder.setDeadServerNames(new ArrayList<>(<a name="line.2472"></a>
+<span class="sourceLineNo">2473</span> serverManager.getDeadServers().copyServerNames()));<a name="line.2473"></a>
+<span class="sourceLineNo">2474</span> }<a name="line.2474"></a>
+<span class="sourceLineNo">2475</span> break;<a name="line.2475"></a>
+<span class="sourceLineNo">2476</span> }<a name="line.2476"></a>
+<span class="sourceLineNo">2477</span> case MASTER_COPROCESSORS: {<a name="line.2477"></a>
+<span class="sourceLineNo">2478</span> if (cpHost != null) {<a name="line.2478"></a>
+<span class="sourceLineNo">2479</span> builder.setMasterCoprocessorNames(Arrays.asList(getMasterCoprocessors()));<a name="line.2479"></a>
+<span class="sourceLineNo">2480</span> }<a name="line.2480"></a>
+<span class="sourceLineNo">2481</span> break;<a name="line.2481"></a>
+<span class="sourceLineNo">2482</span> }<a name="line.2482"></a>
+<span class="sourceLineNo">2483</span> case REGIONS_IN_TRANSITION: {<a name="line.2483"></a>
+<span class="sourceLineNo">2484</span> if (assignmentManager != null) {<a name="line.2484"></a>
+<span class="sourceLineNo">2485</span> builder.setRegionsInTransition(assignmentManager.getRegionStates()<a name="line.2485"></a>
+<span class="sourceLineNo">2486</span> .getRegionsStateInTransition());<a name="line.2486"></a>
+<span class="sourceLineNo">2487</span> }<a name="line.2487"></a>
+<span class="sourceLineNo">2488</span> break;<a name="line.2488"></a>
+<span class="sourceLineNo">2489</span> }<a name="line.2489"></a>
+<span class="sourceLineNo">2490</span> case BALANCER_ON: {<a name="line.2490"></a>
+<span class="sourceLineNo">2491</span> if (loadBalancerTracker != null) {<a name="line.2491"></a>
+<span class="sourceLineNo">2492</span> builder.setBalancerOn(loadBalancerTracker.isBalancerOn());<a name="line.2492"></a>
+<span class="sourceLineNo">2493</span> }<a name="line.2493"></a>
+<span class="sourceLineNo">2494</span> break;<a name="line.2494"></a>
+<span class="sourceLineNo">2495</span> }<a name="line.2495"></a>
+<span class="sourceLineNo">2496</span> case MASTER_INFO_PORT: {<a name="line.2496"></a>
+<span class="sourceLineNo">2497</span> if (infoServer != null) {<a name="line.2497"></a>
+<span class="sourceLineNo">2498</span> builder.setMasterInfoPort(infoServer.getPort());<a name="line.2498"></a>
+<span class="sourceLineNo">2499</span> }<a name="line.2499"></a>
+<span class="sourceLineNo">2500</span> break;<a name="line.2500"></a>
+<span class="sourceLineNo">2501</span> }<a name="line.2501"></a>
+<span class="sourceLineNo">2502</span> }<a name="line.2502"></a>
+<span class="sourceLineNo">2503</span> }<a name="line.2503"></a>
+<span class="sourceLineNo">2504</span> return builder.build();<a name="line.2504"></a>
+<span class="sourceLineNo">2505</span> }<a name="line.2505"></a>
+<span class="sourceLineNo">2506</span><a name="line.2506"></a>
+<span class="sourceLineNo">2507</span> /**<a name="line.2507"></a>
+<span class="sourceLineNo">2508</span> * @return cluster status<a name="line.2508"></a>
+<span class="sourceLineNo">2509</span> */<a name="line.2509"></a>
+<span class="sourceLineNo">2510</span> public ClusterMetrics getClusterMetrics() throws IOException {<a name="line.2510"></a>
+<span class="sourceLineNo">2511</span> return getClusterMetrics(EnumSet.allOf(Option.class));<a name="line.2511"></a>
+<span class="sourceLineNo">2512</span> }<a name="line.2512"></a>
+<span class="sourceLineNo">2513</span><a name="line.2513"></a>
+<span class="sourceLineNo">2514</span> public ClusterMetrics getClusterMetrics(EnumSet<Option> options) throws IOException {<a name="line.2514"></a>
+<span class="sourceLineNo">2515</span> if (cpHost != null) {<a name="line.2515"></a>
+<span class="sourceLineNo">2516</span> cpHost.preGetClusterMetrics();<a name="line.2516"></a>
+<span class="sourceLineNo">2517</span> }<a name="line.2517"></a>
+<span class="sourceLineNo">2518</span> ClusterMetrics status = getClusterMetricsWithoutCoprocessor(options);<a name="line.2518"></a>
+<span class="sourceLineNo">2519</span> if (cpHost != null) {<a name="line.2519"></a>
+<span class="sourceLineNo">2520</span> cpHost.postGetClusterMetrics(status);<a name="line.2520"></a>
+<span class="sourceLineNo">2521</span> }<a name="line.2521"></a>
+<span class="sourceLineNo">2522</span> return status;<a name="line.2522"></a>
+<span class="sourceLineNo">2523</span> }<a name="line.2523"></a>
+<span class="sourceLineNo">2524</span><a name="line.2524"></a>
+<span class="sourceLineNo">2525</span> private List<ServerName> getBackupMasters() throws InterruptedIOException {<a name="line.2525"></a>
+<span class="sourceLineNo">2526</span> // Build Set of backup masters from ZK nodes<a name="line.2526"></a>
+<span class="sourceLineNo">2527</span> List<String> backupMasterStrings;<a name="line.2527"></a>
+<span class="sourceLineNo">2528</span> try {<a name="line.2528"></a>
+<span class="sourceLineNo">2529</span> backupMasterStrings = ZKUtil.listChildrenNoWatch(this.zooKeeper,<a name="line.2529"></a>
+<span class="sourceLineNo">2530</span> this.zooKeeper.znodePaths.backupMasterAddressesZNode);<a name="line.2530"></a>
+<span class="sourceLineNo">2531</span> } catch (KeeperException e) {<a name="line.2531"></a>
+<span class="sourceLineNo">2532</span> LOG.warn(this.zooKeeper.prefix("Unable to list backup servers"), e);<a name="line.2532"></a>
+<span class="sourceLineNo">2533</span> backupMasterStrings = null;<a name="line.2533"></a>
+<span class="sourceLineNo">2534</span> }<a name="line.2534"></a>
+<span class="sourceLineNo">2535</span><a name="line.2535"></a>
+<span class="sourceLineNo">2536</span> List<ServerName> backupMasters = Collections.emptyList();<a name="line.2536"></a>
+<span class="sourceLineNo">2537</span> if (backupMasterStrings != null && !backupMasterStrings.isEmpty()) {<a name="line.2537"></a>
+<span class="sourceLineNo">2538</span> backupMasters = new ArrayList<>(backupMasterStrings.size());<a name="line.2538"></a>
+<span class="sourceLineNo">2539</span> for (String s: backupMasterStrings) {<a name="line.2539"></a>
+<span class="sourceLineNo">2540</span> try {<a name="line.2540"></a>
+<span class="sourceLineNo">2541</span> byte [] bytes;<a name="line.2541"></a>
+<span class="sourceLineNo">2542</span> try {<a name="line.2542"></a>
+<span class="sourceLineNo">2543</span> bytes = ZKUtil.getData(this.zooKeeper, ZNodePaths.joinZNode(<a name="line.2543"></a>
+<span class="sourceLineNo">2544</span> this.zooKeeper.znodePaths.backupMasterAddressesZNode, s));<a name="line.2544"></a>
+<span class="sourceLineNo">2545</span> } catch (InterruptedException e) {<a name="line.2545"></a>
+<span class="sourceLineNo">2546</span> throw new InterruptedIOException();<a name="line.2546"></a>
+<span class="sourceLineNo">2547</span> }<a name="line.2547"></a>
+<span class="sourceLineNo">2548</span> if (bytes != null) {<a name="line.2548"></a>
+<span class="sourceLineNo">2549</span> ServerName sn;<a name="line.2549"></a>
+<span class="sourceLineNo">2550</span> try {<a name="line.2550"></a>
+<span class="sourceLineNo">2551</span> sn = ProtobufUtil.parseServerNameFrom(bytes);<a name="line.2551"></a>
+<span class="sourceLineNo">2552</span> } catch (DeserializationException e) {<a name="line.2552"></a>
+<span class="sourceLineNo">2553</span> LOG.warn("Failed parse, skipping registering backup server", e);<a name="line.2553"></a>
+<span class="sourceLineNo">2554</span> continue;<a name="line.2554"></a>
+<span class="sourceLineNo">2555</span> }<a name="line.2555"></a>
+<span class="sourceLineNo">2556</span> backupMasters.add(sn);<a name="line.2556"></a>
+<span class="sourceLineNo">2557</span> }<a name="line.2557"></a>
+<span class="sourceLineNo">2558</span> } catch (KeeperException e) {<a name="line.2558"></a>
+<span class="sourceLineNo">2559</span> LOG.warn(this.zooKeeper.prefix("Unable to get information about " +<a name="line.2559"></a>
+<span class="sourceLineNo">2560</span> "backup servers"), e);<a name="line.2560"></a>
+<span class="sourceLineNo">2561</span> }<a name="line.2561"></a>
+<span class="sourceLineNo">2562</span> }<a name="line.2562"></a>
+<span class="sourceLineNo">2563</span> Collections.sort(backupMasters, new Comparator<ServerName>() {<a name="line.2563"></a>
+<span class="sourceLineNo">2564</span> @Override<a name="line.2564"></a>
+<span class="sourceLineNo">2565</span> public int compare(ServerName s1, ServerName s2) {<a name="line.2565"></a>
+<span class="sourceLineNo">2566</span> return s1.getServerName().compareTo(s2.getServerName());<a name="line.2566"></a>
+<span class="sourceLineNo">2567</span> }});<a name="line.2567"></a>
+<span class="sourceLineNo">2568</span> }<a name="line.2568"></a>
+<span class="sourceLineNo">2569</span> return backupMasters;<a name="line.2569"></a>
+<span class="sourceLineNo">2570</span> }<a name="line.2570"></a>
+<span class="sourceLineNo">2571</span><a name="line.2571"></a>
+<span class="sourceLineNo">2572</span> /**<a name="line.2572"></a>
+<span class="sourceLineNo">2573</span> * The set of loaded coprocessors is stored in a static set. Since it's<a name="line.2573"></a>
+<span class="sourceLineNo">2574</span> * statically allocated, it does not require that HMaster's cpHost be<a name="line.2574"></a>
+<span class="sourceLineNo">2575</span> * initialized prior to accessing it.<a name="line.2575"></a>
+<span class="sourceLineNo">2576</span> * @return a String representation of the set of names of the loaded coprocessors.<a name="line.2576"></a>
+<span class="sourceLineNo">2577</span> */<a name="line.2577"></a>
+<span class="sourceLineNo">2578</span> public static String getLoadedCoprocessors() {<a name="line.2578"></a>
+<span class="sourceLineNo">2579</span> return CoprocessorHost.getLoadedCoprocessors().toString();<a name="line.2579"></a>
+<span class="sourceLineNo">2580</span> }<a name="line.2580"></a>
+<span class="sourceLineNo">2581</span><a name="line.2581"></a>
+<span class="sourceLineNo">2582</span> /**<a name="line.2582"></a>
+<span class="sourceLineNo">2583</span> * @return timestamp in millis when HMaster was started.<a name="line.2583"></a>
+<span class="sourceLineNo">2584</span> */<a name="line.2584"></a>
+<span class="sourceLineNo">2585</span> public long getMasterStartTime() {<a name="line.2585"></a>
+<span class="sourceLineNo">2586</span> return startcode;<a name="line.2586"></a>
+<span class="sourceLineNo">2587</span> }<a name="line.2587"></a>
+<span class="sourceLineNo">2588</span><a name="line.2588"></a>
+<span class="sourceLineNo">2589</span> /**<a name="line.2589"></a>
+<span class="sourceLineNo">2590</span> * @return timestamp in millis when HMaster became the active master.<a name="line.2590"></a>
+<span class="sourceLineNo">2591</span> */<a name="line.2591"></a>
+<span class="sourceLineNo">2592</span> public long getMasterActiveTime() {<a name="line.2592"></a>
+<span class="sourceLineNo">2593</span> return masterActiveTime;<a name="line.2593"></a>
+<span class="sourceLineNo">2594</span> }<a name="line.2594"></a>
+<span class="sourceLineNo">2595</span><a name="line.2595"></a>
+<span class="sourceLineNo">2596</span> /**<a name="line.2596"></a>
+<span class="sourceLineNo">2597</span> * @return timestamp in millis when HMaster finished becoming the active master<a name="line.2597"></a>
+<span class="sourceLineNo">2598</span> */<a name="line.2598"></a>
+<span class="sourceLineNo">2599</span> public long getMasterFinishedInitializationTime() {<a name="line.2599"></a>
+<span class="sourceLineNo">2600</span> return masterFinishedInitializationTime;<a name="line.2600"></a>
+<span class="sourceLineNo">2601</span> }<a name="line.2601"></a>
+<span class="sourceLineNo">2602</span><a name="line.2602"></a>
+<span class="sourceLineNo">2603</span> public int getNumWALFiles() {<a name="line.2603"></a>
+<span class="sourceLineNo">2604</span> return procedureStore != null ? procedureStore.getActiveLogs().size() : 0;<a name="line.2604"></a>
+<span class="sourceLineNo">2605</span> }<a name="line.2605"></a>
+<span class="sourceLineNo">2606</span><a name="line.2606"></a>
+<span class="sourceLineNo">2607</span> public WALProcedureStore getWalProcedureStore() {<a name="line.2607"></a>
+<span class="sourceLineNo">2608</span> return procedureStore;<a name="line.2608"></a>
+<span class="sourceLineNo">2609</span> }<a name="line.2609"></a>
+<span class="sourceLineNo">2610</span><a name="line.2610"></a>
+<span class="sourceLineNo">2611</span> public int getRegionServerInfoPort(final ServerName sn) {<a name="line.2611"></a>
+<span class="sourceLineNo">2612</span> RegionServerInfo info = this.regionServerTracker.getRegionServerInfo(sn);<a name="line.2612"></a>
+<span class="sourceLineNo">2613</span> if (info == null || info.getInfoPort() == 0) {<a name="line.2613"></a>
+<span class="sourceLineNo">2614</span> return conf.getInt(HConstants.REGIONSERVER_INFO_PORT,<a name="line.2614"></a>
+<span class="sourceLineNo">2615</span> HConstants.DEFAULT_REGIONSERVER_INFOPORT);<a name="line.2615"></a>
+<span class="sourceLineNo">2616</span> }<a name="line.2616"></a>
+<span class="sourceLineNo">2617</span> return info.getInfoPort();<a name="line.2617"></a>
+<span class="sourceLineNo">2618</span> }<a name="line.2618"></a>
+<span class="sourceLineNo">2619</span><a name="line.2619"></a>
+<span class="sourceLineNo">2620</span> @Override<a name="line.2620"></a>
+<span class="sourceLineNo">2621</span> public String getRegionServerVersion(final ServerName sn) {<a name="line.2621"></a>
+<span class="sourceLineNo">2622</span> RegionServerInfo info = this.regionServerTracker.getRegionServerInfo(sn);<a name="line.2622"></a>
+<span class="sourceLineNo">2623</span> if (info != null && info.hasVersionInfo()) {<a name="line.2623"></a>
+<span class="sourceLineNo">2624</span> return info.getVersionInfo().getVersion();<a name="line.2624"></a>
+<span class="sourceLineNo">2625</span> }<a name="line.2625"></a>
+<span class="sourceLineNo">2626</span> return "0.0.0"; //Lowest version to prevent move system region to unknown version RS.<a name="line.2626"></a>
+<span class="sourceLineNo">2627</span> }<a name="line.2627"></a>
+<span class="sourceLineNo">2628</span><a name="line.2628"></a>
+<span class="sourceLineNo">2629</span> @Override<a name="line.2629"></a>
+<span class="sourceLineNo">2630</span> public void checkIfShouldMoveSystemRegionAsync() {<a name="line.2630"></a>
+<span class="sourceLineNo">2631</span> assignmentManager.checkIfShouldMoveSystemRegionAsync();<a name="line.2631"></a>
+<span class="sourceLineNo">2632</span> }<a name="line.2632"></a>
+<span class="sourceLineNo">2633</span><a name="line.2633"></a>
+<span class="sourceLineNo">2634</span> /**<a name="line.2634"></a>
+<span class="sourceLineNo">2635</span> * @return array of coprocessor SimpleNames.<a name="line.2635"></a>
+<span class="sourceLineNo">2636</span> */<a name="line.2636"></a>
+<span class="sourceLineNo">2637</span> public String[] getMasterCoprocessors() {<a name="line.2637"></a>
+<span class="sourceLineNo">2638</span> Set<String> masterCoprocessors = getMasterCoprocessorHost().getCoprocessors();<a name="line.2638"></a>
+<span class="sourceLineNo">2639</span> return masterCoprocessors.toArray(new String[masterCoprocessors.size()]);<a name="line.2639"></a>
+<span class="sourceLineNo">2640</span> }<a name="line.2640"></a>
+<span class="sourceLineNo">2641</span><a name="line.2641"></a>
+<span class="sourceLineNo">2642</span> @Override<a name="line.2642"></a>
+<span class="sourceLineNo">2643</span> public void abort(String reason, Throwable cause) {<a name="line.2643"></a>
+<span class="sourceLineNo">2644</span> if (isAborted() || isStopped()) {<a name="line.2644"></a>
+<span class="sourceLineNo">2645</span> return;<a name="line.2645"></a>
+<span class="sourceLineNo">2646</span> }<a name="line.2646"></a>
+<span class="sourceLineNo">2647</span> if (cpHost != null) {<a name="line.2647"></a>
+<span class="sourceLineNo">2648</span> // HBASE-4014: dump a list of loaded coprocessors.<a name="line.2648"></a>
+<span class="sourceLineNo">2649</span> LOG.error(HBaseMarkers.FATAL, "Master server abort: loaded coprocessors are: " +<a name="line.2649"></a>
+<span class="sourceLineNo">2650</span> getLoadedCoprocessors());<a name="line.2650"></a>
+<span class="sourceLineNo">2651</span> }<a name="line.2651"></a>
+<span class="sourceLineNo">2652</span> String msg = "***** ABORTING master " + this + ": " + reason + " *****";<a name="line.2652"></a>
+<span class="sourceLineNo">2653</span> if (cause != null) {<a name="line.2653"></a>
+<span class="sourceLineNo">2654</span> LOG.error(HBaseMarkers.FATAL, msg, cause);<a name="line.2654"></a>
+<span class="sourceLineNo">2655</span> } else {<a name="line.2655"></a>
+<span class="sourceLineNo">2656</span> LOG.error(HBaseMarkers.FATAL, msg);<a name="line.2656"></a>
+<span class="sourceLineNo">2657</span> }<a name="line.2657"></a>
+<span class="sourceLineNo">2658</span><a name="line.2658"></a>
+<span class="sourceLineNo">2659</span> try {<a name="line.2659"></a>
+<span class="sourceLineNo">2660</span> stopMaster();<a name="line.2660"></a>
+<span class="sourceLineNo">2661</span> } catch (IOException e) {<a name="line.2661"></a>
+<span class="sourceLineNo">2662</span> LOG.error("Exception occurred while stopping master", e);<a name="line.2662"></a>
+<span class="sourceLineNo">2663</span> }<a name="line.2663"></a>
+<span class="sourceLineNo">2664</span> }<a name="line.2664"></a>
+<span class="sourceLineNo">2665</span><a name="line.2665"></a>
+<span class="sourceLineNo">2666</span> @Override<a name="line.2666"></a>
+<span class="sourceLineNo">2667</span> public ZKWatcher getZooKeeper() {<a name="line.2667"></a>
+<span class="sourceLineNo">2668</span> return zooKeeper;<a name="line.2668"></a>
+<span class="sourceLineNo">2669</span> }<a name="line.2669"></a>
+<span class="sourceLineNo">2670</span><a name="line.2670"></a>
+<span class="sourceLineNo">2671</span> @Override<a name="line.2671"></a>
+<span class="sourceLineNo">2672</span> public MasterCoprocessorHost getMasterCoprocessorHost() {<a name="line.2672"></a>
+<span class="sourceLineNo">2673</span> return cpHost;<a name="line.2673"></a>
+<span class="sourceLineNo">2674</span> }<a name="line.2674"></a>
+<span class="sourceLineNo">2675</span><a name="line.2675"></a>
+<span class="sourceLineNo">2676</span> @Override<a name="line.2676"></a>
+<span class="sourceLineNo">2677</span> public MasterQuotaManager getMasterQuotaManager() {<a name="line.2677"></a>
+<span class="sourceLineNo">2678</span> return quotaManager;<a name="line.2678"></a>
+<span class="sourceLineNo">2679</span> }<a name="line.2679"></a>
+<span class="sourceLineNo">2680</span><a name="line.2680"></a>
+<span class="sourceLineNo">2681</span> @Override<a name="line.2681"></a>
+<span class="sourceLineNo">2682</span> public ProcedureExecutor<MasterProcedureEnv> getMasterProcedureExecutor() {<a name="line.2682"></a>
+<span class="sourceLineNo">2683</span> return procedureExecutor;<a name="line.2683"></a>
+<span class="sourceLineNo">2684</span> }<a name="line.2684"></a>
+<span class="sourceLineNo">2685</span><a name="line.2685"></a>
+<span class="sourceLineNo">2686</span> @Override<a name="line.2686"></a>
+<span class="sourceLineNo">2687</span> public ServerName getServerName() {<a name="line.2687"></a>
+<span class="sourceLineNo">2688</span> return this.serverName;<a name="line.2688"></a>
+<span class="sourceLineNo">2689</span> }<a name="line.2689"></a>
+<span class="sourceLineNo">2690</span><a name="line.2690"></a>
+<span class="sourceLineNo">2691</span> @Override<a name="line.2691"></a>
+<span class="sourceLineNo">2692</span> public AssignmentManager getAssignmentManager() {<a name="line.2692"></a>
+<span class="sourceLineNo">2693</span> return this.assignmentManager;<a name="line.2693"></a>
+<span class="sourceLineNo">2694</span> }<a name="line.2694"></a>
+<span class="sourceLineNo">2695</span><a name="line.2695"></a>
+<span class="sourceLineNo">2696</span> @Override<a name="line.2696"></a>
+<span class="sourceLineNo">2697</span> public CatalogJanitor getCatalogJanitor() {<a name="line.2697"></a>
+<span class="sourceLineNo">2698</span> return this.catalogJanitorChore;<a name="line.2698"></a>
+<span class="sourceLineNo">2699</span> }<a name="line.2699"></a>
+<span class="sourceLineNo">2700</span><a name="line.2700"></a>
+<span class="sourceLineNo">2701</span> public MemoryBoundedLogMessageBuffer getRegionServerFatalLogBuffer() {<a name="line.2701"></a>
+<span class="sourceLineNo">2702</span> return rsFatals;<a name="line.2702"></a>
+<span class="sourceLineNo">2703</span> }<a name="line.2703"></a>
+<span class="sourceLineNo">2704</span><a name="line.2704"></a>
+<span class="sourceLineNo">2705</span> /**<a name="line.2705"></a>
+<span class="sourceLineNo">2706</span> * Shutdown the cluster.<a name="line.2706"></a>
+<span class="sourceLineNo">2707</span> * Master runs a coordinated stop of all RegionServers and then itself.<a name="line.2707"></a>
+<span class="sourceLineNo">2708</span> */<a name="line.2708"></a>
+<span class="sourceLineNo">2709</span> public void shutdown() throws IOException {<a name="line.2709"></a>
+<span class="sourceLineNo">2710</span> if (cpHost != null) {<a name="line.2710"></a>
+<span class="sourceLineNo">2711</span> cpHost.preShutdown();<a name="line.2711"></a>
+<span class="sourceLineNo">2712</span> }<a name="line.2712"></a>
+<span class="sourceLineNo">2713</span> // Tell the servermanager cluster shutdown has been called. This makes it so when Master is<a name="line.2713"></a>
+<span class="sourceLineNo">2714</span> // last running server, it'll stop itself. Next, we broadcast the cluster shutdown by setting<a name="line.2714"></a>
+<span class="sourceLineNo">2715</span> // the cluster status as down. RegionServers will notice this change in state and will start<a name="line.2715"></a>
+<span class="sourceLineNo">2716</span> // shutting themselves down. When last has exited, Master can go down.<a name="line.2716"></a>
+<span class="sourceLineNo">2717</span> if (this.serverManager != null) {<a name="line.2717"></a>
+<span class="sourceLineNo">2718</span> this.serverManager.shutdownCluster();<a name="line.2718"></a>
+<span class="sourceLineNo">2719</span> }<a name="line.2719"></a>
+<span class="sourceLineNo">2720</span> if (this.clusterStatusTracker != null) {<a name="line.2720"></a>
+<span class="sourceLineNo">2721</span> try {<a name="line.2721"></a>
+<span class="sourceLineNo">2722</span> this.clusterStatusTracker.setClusterDown();<a name="line.2722"></a>
+<span class="sourceLineNo">2723</span> } catch (KeeperException e) {<a name="line.2723"></a>
+<span class="sourceLineNo">2724</span> LOG.error("ZooKeeper exception trying to set cluster as down in ZK", e);<a name="line.2724"></a>
+<span class="sourceLineNo">2725</span> }<a name="line.2725"></a>
+<span class="sourceLineNo">2726</span> }<a name="line.2726"></a>
+<span class="sourceLineNo">2727</span> // Stop the procedure executor. Will stop any ongoing assign, unassign, server crash etc.,<a name="line.2727"></a>
+<span class="sourceLineNo">2728</span> // processing so we can go down.<a name="line.2728"></a>
+<span class="sourceLineNo">2729</span> if (this.procedureExecutor != null) {<a name="line.2729"></a>
+<span class="sourceLineNo">2730</span> this.procedureExecutor.stop();<a name="line.2730"></a>
+<span class="sourceLineNo">2731</span> }<a name="line.2731"></a>
+<span class="sourceLineNo">2732</span> // Shutdown our cluster connection. This will kill any hosted RPCs that might be going on;<a name="line.2732"></a>
+<span class="sourceLineNo">2733</span> // this is what we want especially if the Master is in startup phase doing call outs to<a name="line.2733"></a>
+<span class="sourceLineNo">2734</span> // hbase:meta, etc. when cluster is down. Without ths connection close, we'd have to wait on<a name="line.2734"></a>
+<span class="sourceLineNo">2735</span> // the rpc to timeout.<a name="line.2735"></a>
+<span class="sourceLineNo">2736</span> if (this.clusterConnection != null) {<a name="line.2736"></a>
+<span class="sourceLineNo">2737</span> this.clusterConnection.close();<a name="line.2737"></a>
+<span class="sourceLineNo">2738</span> }<a name="line.2738"></a>
+<span class="sourceLineNo">2739</span> }<a name="line.2739"></a>
+<span class="sourceLineNo">2740</span><a name="line.2740"></a>
+<span class="sourceLineNo">2741</span> public void stopMaster() throws IOException {<a name="line.2741"></a>
+<span class="sourceLineNo">2742</span> if (cpHost != null) {<a name="line.2742"></a>
+<span class="sourceLineNo">2743</span> cpHost.preStopMaster();<a name="line.2743"></a>
+<span class="sourceLineNo">2744</span> }<a name="line.2744"></a>
+<span class="sourceLineNo">2745</span> stop("Stopped by " + Thread.currentThread().getName());<a name="line.2745"></a>
+<span class="sourceLineNo">2746</span> }<a name="line.2746"></a>
+<span class="sourceLineNo">2747</span><a name="line.2747"></a>
+<span class="sourceLineNo">2748</span> @Override<a name="line.2748"></a>
+<span class="sourceLineNo">2749</span> public void stop(String msg) {<a name="line.2749"></a>
+<span class="sourceLineNo">2750</span> if (!isStopped()) {<a name="line.2750"></a>
+<span class="sourceLineNo">2751</span> super.stop(msg);<a name="line.2751"></a>
+<span class="sourceLineNo">2752</span> if (this.activeMasterManager != null) {<a name="line.2752"></a>
+<span class="sourceLineNo">2753</span> this.activeMasterManager.stop();<a name="line.2753"></a>
+<span class="sourceLineNo">2754</span> }<a name="line.2754"></a>
+<span class="sourceLineNo">2755</span> }<a name="line.2755"></a>
+<span class="sourceLineNo">2756</span> }<a name="line.2756"></a>
+<span class="sourceLineNo">2757</span><a name="line.2757"></a>
+<span class="sourceLineNo">2758</span> void checkServiceStarted() throws ServerNotRunningYetException {<a name="line.2758"></a>
+<span class="sourceLineNo">2759</span> if (!serviceStarted) {<a name="line.2759"></a>
+<span class="sourceLineNo">2760</span> throw new ServerNotRunningYetException("Server is not running yet");<a name="line.2760"></a>
+<span class="sourceLineNo">2761</span> }<a name="line.2761"></a>
+<span class="sourceLineNo">2762</span> }<a name="line.2762"></a>
+<span class="sourceLineNo">2763</span><a name="line.2763"></a>
+<span class="sourceLineNo">2764</span> public static class MasterStoppedException extends DoNotRetryIOException {<a name="line.2764"></a>
+<span class="sourceLineNo">2765</span> MasterStoppedException() {<a name="line.2765"></a>
+<span class="sourceLineNo">2766</span> super();<a name="line.2766"></a>
+<span class="sourceLineNo">2767</span> }<a name="line.2767"></a>
+<span class="sourceLineNo">2768</span> }<a name="line.2768"></a>
+<span class="sourceLineNo">2769</span><a name="line.2769"></a>
+<span class="sourceLineNo">2770</span> void checkInitialized() throws PleaseHoldException, ServerNotRunningYetException,<a name="line.2770"></a>
+<span class="sourceLineNo">2771</span> MasterNotRunningException, MasterStoppedException {<a name="line.2771"></a>
+<span class="sourceLineNo">2772</span> checkServiceStarted();<a name="line.2772"></a>
+<span class="sourceLineNo">2773</span> if (!isInitialized()) {<a name="line.2773"></a>
+<span class="sourceLineNo">2774</span> throw new PleaseHoldException("Master is initializing");<a name="line.2774"></a>
<span class="sourceLineNo">2775</span> }<a name="line.2775"></a>
-<span class="sourceLineNo">2776</span> }<a name="line.2776"></a>
-<span class="sourceLineNo">2777</span><a name="line.2777"></a>
-<span class="sourceLineNo">2778</span> /**<a name="line.2778"></a>
-<span class="sourceLineNo">2779</span> * Report whether this master is currently the active master or not.<a name="line.2779"></a>
-<span class="sourceLineNo">2780</span> * If not active master, we are parked on ZK waiting to become active.<a name="line.2780"></a>
-<span class="sourceLineNo">2781</span> *<a name="line.2781"></a>
-<span class="sourceLineNo">2782</span> * This method is used for testing.<a name="line.2782"></a>
-<span class="sourceLineNo">2783</span> *<a name="line.2783"></a>
-<span class="sourceLineNo">2784</span> * @return true if active master, false if not.<a name="line.2784"></a>
-<span class="sourceLineNo">2785</span> */<a name="line.2785"></a>
-<span class="sourceLineNo">2786</span> @Override<a name="line.2786"></a>
-<span class="sourceLineNo">2787</span> public boolean isActiveMaster() {<a name="line.2787"></a>
-<span class="sourceLineNo">2788</span> return activeMaster;<a name="line.2788"></a>
-<span class="sourceLineNo">2789</span> }<a name="line.2789"></a>
-<span class="sourceLineNo">2790</span><a name="line.2790"></a>
-<span class="sourceLineNo">2791</span> /**<a name="line.2791"></a>
-<span class="sourceLineNo">2792</span> * Report whether this master has completed with its initialization and is<a name="line.2792"></a>
-<span class="sourceLineNo">2793</span> * ready. If ready, the master is also the active master. A standby master<a name="line.2793"></a>
-<span class="sourceLineNo">2794</span> * is never ready.<a name="line.2794"></a>
-<span class="sourceLineNo">2795</span> *<a name="line.2795"></a>
-<span class="sourceLineNo">2796</span> * This method is used for testing.<a name="line.2796"></a>
-<span class="sourceLineNo">2797</span> *<a name="line.2797"></a>
-<span class="sourceLineNo">2798</span> * @return true if master is ready to go, false if not.<a name="line.2798"></a>
-<span class="sourceLineNo">2799</span> */<a name="line.2799"></a>
-<span class="sourceLineNo">2800</span> @Override<a name="line.2800"></a>
-<span class="sourceLineNo">2801</span> public boolean isInitialized() {<a name="line.2801"></a>
-<span class="sourceLineNo">2802</span> return initialized.isReady();<a name="line.2802"></a>
-<span class="sourceLineNo">2803</span> }<a name="line.2803"></a>
-<span class="sourceLineNo">2804</span><a name="line.2804"></a>
-<span class="sourceLineNo">2805</span> /**<a name="line.2805"></a>
-<span class="sourceLineNo">2806</span> * Report whether this master is in maintenance mode.<a name="line.2806"></a>
-<span class="sourceLineNo">2807</span> *<a name="line.2807"></a>
-<span class="sourceLineNo">2808</span> * @return true if master is in maintenanceMode<a name="line.2808"></a>
-<span class="sourceLineNo">2809</span> */<a name="line.2809"></a>
-<span class="sourceLineNo">2810</span> @Override<a name="line.2810"></a>
-<span class="sourceLineNo">2811</span> public boolean isInMaintenanceMode() {<a name="line.2811"></a>
-<span class="sourceLineNo">2812</span> return maintenanceModeTracker.isInMaintenanceMode();<a name="line.2812"></a>
-<span class="sourceLineNo">2813</span> }<a name="line.2813"></a>
-<span class="sourceLineNo">2814</span><a name="line.2814"></a>
-<span class="sourceLineNo">2815</span> @VisibleForTesting<a name="line.2815"></a>
-<span class="sourceLineNo">2816</span> public void setInitialized(boolean isInitialized) {<a name="line.2816"></a>
-<span class="sourceLineNo">2817</span> procedureExecutor.getEnvironment().setEventReady(initialized, isInitialized);<a name="line.2817"></a>
-<span class="sourceLineNo">2818</span> }<a name="line.2818"></a>
-<span class="sourceLineNo">2819</span><a name="line.2819"></a>
-<span class="sourceLineNo">2820</span> @Override<a name="line.2820"></a>
-<span class="sourceLineNo">2821</span> public ProcedureEvent<?> getInitializedEvent() {<a name="line.2821"></a>
-<span class="sourceLineNo">2822</span> return initialized;<a name="line.2822"></a>
-<span class="sourceLineNo">2823</span> }<a name="line.2823"></a>
-<span class="sourceLineNo">2824</span><a name="line.2824"></a>
-<span class="sourceLineNo">2825</span> /**<a name="line.2825"></a>
-<span class="sourceLineNo">2826</span> * ServerCrashProcessingEnabled is set false before completing assignMeta to prevent processing<a name="line.2826"></a>
-<span class="sourceLineNo">2827</span> * of crashed servers.<a name="line.2827"></a>
-<span class="sourceLineNo">2828</span> * @return true if assignMeta has completed;<a name="line.2828"></a>
-<span class="sourceLineNo">2829</span> */<a name="line.2829"></a>
-<span class="sourceLineNo">2830</span> @Override<a name="line.2830"></a>
-<span class="sourceLineNo">2831</span> public boolean isServerCrashProcessingEnabled() {<a name="line.2831"></a>
-<span class="sourceLineNo">2832</span> return serverCrashProcessingEnabled.isReady();<a name="line.2832"></a>
-<span class="sourceLineNo">2833</span> }<a name="line.2833"></a>
-<span class="sourceLineNo">2834</span><a name="line.2834"></a>
-<span class="sourceLineNo">2835</span> @VisibleForTesting<a name="line.2835"></a>
-<span class="sourceLineNo">2836</span> public void setServerCrashProcessingEnabled(final boolean b) {<a name="line.2836"></a>
-<span class="sourceLineNo">2837</span> procedureExecutor.getEnvironment().setEventReady(serverCrashProcessingEnabled, b);<a name="line.2837"></a>
-<span class="sourceLineNo">2838</span> }<a name="line.2838"></a>
-<span class="sourceLineNo">2839</span><a name="line.2839"></a>
-<span class="sourceLineNo">2840</span> public ProcedureEvent<?> getServerCrashProcessingEnabledEvent() {<a name="line.2840"></a>
-<span class="sourceLineNo">2841</span> return serverCrashProcessingEnabled;<a name="line.2841"></a>
-<span class="sourceLineNo">2842</span> }<a name="line.2842"></a>
-<span class="sourceLineNo">2843</span><a name="line.2843"></a>
-<span class="sourceLineNo">2844</span> /**<a name="line.2844"></a>
-<span class="sourceLineNo">2845</span> * Compute the average load across all region servers.<a name="line.2845"></a>
-<span class="sourceLineNo">2846</span> * Currently, this uses a very naive computation - just uses the number of<a name="line.2846"></a>
-<span class="sourceLineNo">2847</span> * regions being served, ignoring stats about number of requests.<a name="line.2847"></a>
-<span class="sourceLineNo">2848</span> * @return the average load<a name="line.2848"></a>
-<span class="sourceLineNo">2849</span> */<a name="line.2849"></a>
-<span class="sourceLineNo">2850</span> public double getAverageLoad() {<a name="line.2850"></a>
-<span class="sourceLineNo">2851</span> if (this.assignmentManager == null) {<a name="line.2851"></a>
-<span class="sourceLineNo">2852</span> return 0;<a name="line.2852"></a>
-<span class="sourceLineNo">2853</span> }<a name="line.2853"></a>
-<span class="sourceLineNo">2854</span><a name="line.2854"></a>
-<span class="sourceLineNo">2855</span> RegionStates regionStates = this.assignmentManager.getRegionStates();<a name="line.2855"></a>
-<span class="sourceLineNo">2856</span> if (regionStates == null) {<a name="line.2856"></a>
-<span class="sourceLineNo">2857</span> return 0;<a name="line.2857"></a>
-<span class="sourceLineNo">2858</span> }<a name="line.2858"></a>
-<span class="sourceLineNo">2859</span> return regionStates.getAverageLoad();<a name="line.2859"></a>
-<span class="sourceLineNo">2860</span> }<a name="line.2860"></a>
-<span class="sourceLineNo">2861</span><a name="line.2861"></a>
-<span class="sourceLineNo">2862</span> /*<a name="line.2862"></a>
-<span class="sourceLineNo">2863</span> * @return the count of region split plans executed<a name="line.2863"></a>
-<span class="sourceLineNo">2864</span> */<a name="line.2864"></a>
-<span class="sourceLineNo">2865</span> public long getSplitPlanCount() {<a name="line.2865"></a>
-<span class="sourceLineNo">2866</span> return splitPlanCount;<a name="line.2866"></a>
-<span class="sourceLineNo">2867</span> }<a name="line.2867"></a>
-<span class="sourceLineNo">2868</span><a name="line.2868"></a>
-<span class="sourceLineNo">2869</span> /*<a name="line.2869"></a>
-<span class="sourceLineNo">2870</span> * @return the count of region merge plans executed<a name="line.2870"></a>
-<span class="sourceLineNo">2871</span> */<a name="line.2871"></a>
-<span class="sourceLineNo">2872</span> public long getMergePlanCount() {<a name="line.2872"></a>
-<span class="sourceLineNo">2873</span> return mergePlanCount;<a name="line.2873"></a>
-<span class="sourceLineNo">2874</span> }<a name="line.2874"></a>
-<span class="sourceLineNo">2875</span><a name="line.2875"></a>
-<span class="sourceLineNo">2876</span> @Override<a name="line.2876"></a>
-<span class="sourceLineNo">2877</span> public boolean registerService(Service instance) {<a name="line.2877"></a>
-<span class="sourceLineNo">2878</span> /*<a name="line.2878"></a>
-<span class="sourceLineNo">2879</span> * No stacking of instances is allowed for a single service name<a name="line.2879"></a>
-<span class="sourceLineNo">2880</span> */<a name="line.2880"></a>
-<span class="sourceLineNo">2881</span> Descriptors.ServiceDescriptor serviceDesc = instance.getDescriptorForType();<a name="line.2881"></a>
-<span class="sourceLineNo">2882</span> String serviceName = CoprocessorRpcUtils.getServiceName(serviceDesc);<a name="line.2882"></a>
-<span class="sourceLineNo">2883</span> if (coprocessorServiceHandlers.containsKey(serviceName)) {<a name="line.2883"></a>
-<span class="sourceLineNo">2884</span> LOG.error("Coprocessor service "+serviceName+<a name="line.2884"></a>
-<span class="sourceLineNo">2885</span> " already registered, rejecting request from "+instance<a name="line.2885"></a>
-<span clas
<TRUNCATED>