http://git-wip-us.apache.org/repos/asf/hbase-site/blob/29385b7e/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html ---------------------------------------------------------------------- diff --git a/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html b/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html index 0cec549..06b92ba 100644 --- a/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html +++ b/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html @@ -2518,1796 +2518,1811 @@ <span class="sourceLineNo">2510</span> return rows;<a name="line.2510"></a> <span class="sourceLineNo">2511</span> }<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> * Tool to get the reference to the region server object that holds the<a name="line.2514"></a> -<span class="sourceLineNo">2515</span> * region of the specified user table.<a name="line.2515"></a> -<span class="sourceLineNo">2516</span> * It first searches for the meta rows that contain the region of the<a name="line.2516"></a> -<span class="sourceLineNo">2517</span> * specified table, then gets the index of that RS, and finally retrieves<a name="line.2517"></a> -<span class="sourceLineNo">2518</span> * the RS's reference.<a name="line.2518"></a> -<span class="sourceLineNo">2519</span> * @param tableName user table to lookup in hbase:meta<a name="line.2519"></a> -<span class="sourceLineNo">2520</span> * @return region server that holds it, null if the row doesn't exist<a name="line.2520"></a> -<span class="sourceLineNo">2521</span> * @throws IOException<a name="line.2521"></a> -<span class="sourceLineNo">2522</span> * @throws InterruptedException<a name="line.2522"></a> -<span class="sourceLineNo">2523</span> */<a name="line.2523"></a> -<span class="sourceLineNo">2524</span> public HRegionServer getRSForFirstRegionInTable(TableName tableName)<a name="line.2524"></a> -<span class="sourceLineNo">2525</span> throws IOException, InterruptedException {<a name="line.2525"></a> -<span class="sourceLineNo">2526</span> List<byte[]> metaRows = getMetaTableRows(tableName);<a name="line.2526"></a> -<span class="sourceLineNo">2527</span> if (metaRows == null || metaRows.isEmpty()) {<a name="line.2527"></a> -<span class="sourceLineNo">2528</span> return null;<a name="line.2528"></a> -<span class="sourceLineNo">2529</span> }<a name="line.2529"></a> -<span class="sourceLineNo">2530</span> LOG.debug("Found " + metaRows.size() + " rows for table " +<a name="line.2530"></a> -<span class="sourceLineNo">2531</span> tableName);<a name="line.2531"></a> -<span class="sourceLineNo">2532</span> byte [] firstrow = metaRows.get(0);<a name="line.2532"></a> -<span class="sourceLineNo">2533</span> LOG.debug("FirstRow=" + Bytes.toString(firstrow));<a name="line.2533"></a> -<span class="sourceLineNo">2534</span> long pause = getConfiguration().getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.2534"></a> -<span class="sourceLineNo">2535</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.2535"></a> -<span class="sourceLineNo">2536</span> int numRetries = getConfiguration().getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.2536"></a> -<span class="sourceLineNo">2537</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.2537"></a> -<span class="sourceLineNo">2538</span> RetryCounter retrier = new RetryCounter(numRetries+1, (int)pause, TimeUnit.MICROSECONDS);<a name="line.2538"></a> -<span class="sourceLineNo">2539</span> while(retrier.shouldRetry()) {<a name="line.2539"></a> -<span class="sourceLineNo">2540</span> int index = getMiniHBaseCluster().getServerWith(firstrow);<a name="line.2540"></a> -<span class="sourceLineNo">2541</span> if (index != -1) {<a name="line.2541"></a> -<span class="sourceLineNo">2542</span> return getMiniHBaseCluster().getRegionServerThreads().get(index).getRegionServer();<a name="line.2542"></a> -<span class="sourceLineNo">2543</span> }<a name="line.2543"></a> -<span class="sourceLineNo">2544</span> // Came back -1. Region may not be online yet. Sleep a while.<a name="line.2544"></a> -<span class="sourceLineNo">2545</span> retrier.sleepUntilNextRetry();<a name="line.2545"></a> -<span class="sourceLineNo">2546</span> }<a name="line.2546"></a> -<span class="sourceLineNo">2547</span> return null;<a name="line.2547"></a> -<span class="sourceLineNo">2548</span> }<a name="line.2548"></a> -<span class="sourceLineNo">2549</span><a name="line.2549"></a> -<span class="sourceLineNo">2550</span> /**<a name="line.2550"></a> -<span class="sourceLineNo">2551</span> * Starts a <code>MiniMRCluster</code> with a default number of<a name="line.2551"></a> -<span class="sourceLineNo">2552</span> * <code>TaskTracker</code>'s.<a name="line.2552"></a> -<span class="sourceLineNo">2553</span> *<a name="line.2553"></a> -<span class="sourceLineNo">2554</span> * @throws IOException When starting the cluster fails.<a name="line.2554"></a> -<span class="sourceLineNo">2555</span> */<a name="line.2555"></a> -<span class="sourceLineNo">2556</span> public MiniMRCluster startMiniMapReduceCluster() throws IOException {<a name="line.2556"></a> -<span class="sourceLineNo">2557</span> // Set a very high max-disk-utilization percentage to avoid the NodeManagers from failing.<a name="line.2557"></a> -<span class="sourceLineNo">2558</span> conf.setIfUnset(<a name="line.2558"></a> -<span class="sourceLineNo">2559</span> "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage",<a name="line.2559"></a> -<span class="sourceLineNo">2560</span> "99.0");<a name="line.2560"></a> -<span class="sourceLineNo">2561</span> startMiniMapReduceCluster(2);<a name="line.2561"></a> -<span class="sourceLineNo">2562</span> return mrCluster;<a name="line.2562"></a> +<span class="sourceLineNo">2513</span> /*<a name="line.2513"></a> +<span class="sourceLineNo">2514</span> * Find any other region server which is different from the one identified by parameter<a name="line.2514"></a> +<span class="sourceLineNo">2515</span> * @param rs<a name="line.2515"></a> +<span class="sourceLineNo">2516</span> * @return another region server<a name="line.2516"></a> +<span class="sourceLineNo">2517</span> */<a name="line.2517"></a> +<span class="sourceLineNo">2518</span> public HRegionServer getOtherRegionServer(HRegionServer rs) {<a name="line.2518"></a> +<span class="sourceLineNo">2519</span> for (JVMClusterUtil.RegionServerThread rst :<a name="line.2519"></a> +<span class="sourceLineNo">2520</span> getMiniHBaseCluster().getRegionServerThreads()) {<a name="line.2520"></a> +<span class="sourceLineNo">2521</span> if (!(rst.getRegionServer() == rs)) {<a name="line.2521"></a> +<span class="sourceLineNo">2522</span> return rst.getRegionServer();<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> return null;<a name="line.2525"></a> +<span class="sourceLineNo">2526</span> }<a 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class="sourceLineNo">2546</span> tableName);<a name="line.2546"></a> +<span class="sourceLineNo">2547</span> byte [] firstrow = metaRows.get(0);<a name="line.2547"></a> +<span class="sourceLineNo">2548</span> LOG.debug("FirstRow=" + Bytes.toString(firstrow));<a name="line.2548"></a> +<span class="sourceLineNo">2549</span> long pause = getConfiguration().getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.2549"></a> +<span class="sourceLineNo">2550</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.2550"></a> +<span class="sourceLineNo">2551</span> int numRetries = getConfiguration().getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.2551"></a> +<span class="sourceLineNo">2552</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.2552"></a> +<span class="sourceLineNo">2553</span> RetryCounter retrier = new RetryCounter(numRetries+1, (int)pause, TimeUnit.MICROSECONDS);<a name="line.2553"></a> +<span class="sourceLineNo">2554</span> while(retrier.shouldRetry()) {<a name="line.2554"></a> +<span class="sourceLineNo">2555</span> int index = getMiniHBaseCluster().getServerWith(firstrow);<a name="line.2555"></a> +<span class="sourceLineNo">2556</span> if (index != -1) {<a name="line.2556"></a> +<span class="sourceLineNo">2557</span> return getMiniHBaseCluster().getRegionServerThreads().get(index).getRegionServer();<a name="line.2557"></a> +<span class="sourceLineNo">2558</span> }<a name="line.2558"></a> +<span class="sourceLineNo">2559</span> // Came back -1. Region may not be online yet. Sleep a while.<a name="line.2559"></a> +<span class="sourceLineNo">2560</span> retrier.sleepUntilNextRetry();<a name="line.2560"></a> +<span class="sourceLineNo">2561</span> }<a name="line.2561"></a> +<span class="sourceLineNo">2562</span> return null;<a name="line.2562"></a> <span class="sourceLineNo">2563</span> }<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> * Tasktracker has a bug where changing the hadoop.log.dir system property<a name="line.2566"></a> -<span class="sourceLineNo">2567</span> * will not change its internal static LOG_DIR variable.<a name="line.2567"></a> -<span class="sourceLineNo">2568</span> */<a name="line.2568"></a> -<span class="sourceLineNo">2569</span> private void forceChangeTaskLogDir() {<a name="line.2569"></a> -<span class="sourceLineNo">2570</span> Field logDirField;<a name="line.2570"></a> -<span class="sourceLineNo">2571</span> try {<a name="line.2571"></a> -<span class="sourceLineNo">2572</span> logDirField = TaskLog.class.getDeclaredField("LOG_DIR");<a name="line.2572"></a> -<span class="sourceLineNo">2573</span> logDirField.setAccessible(true);<a name="line.2573"></a> -<span class="sourceLineNo">2574</span><a name="line.2574"></a> -<span class="sourceLineNo">2575</span> Field modifiersField = Field.class.getDeclaredField("modifiers");<a name="line.2575"></a> -<span class="sourceLineNo">2576</span> modifiersField.setAccessible(true);<a name="line.2576"></a> -<span class="sourceLineNo">2577</span> modifiersField.setInt(logDirField, logDirField.getModifiers() & ~Modifier.FINAL);<a name="line.2577"></a> -<span class="sourceLineNo">2578</span><a name="line.2578"></a> -<span class="sourceLineNo">2579</span> logDirField.set(null, new File(hadoopLogDir, "userlogs"));<a name="line.2579"></a> -<span class="sourceLineNo">2580</span> } catch (SecurityException e) {<a name="line.2580"></a> -<span class="sourceLineNo">2581</span> throw new RuntimeException(e);<a name="line.2581"></a> -<span class="sourceLineNo">2582</span> } catch (NoSuchFieldException e) {<a name="line.2582"></a> -<span class="sourceLineNo">2583</span> // TODO Auto-generated catch block<a name="line.2583"></a> -<span class="sourceLineNo">2584</span> throw new RuntimeException(e);<a name="line.2584"></a> -<span class="sourceLineNo">2585</span> } catch (IllegalArgumentException e) {<a name="line.2585"></a> -<span class="sourceLineNo">2586</span> throw new RuntimeException(e);<a name="line.2586"></a> -<span class="sourceLineNo">2587</span> } catch (IllegalAccessException e) {<a name="line.2587"></a> -<span class="sourceLineNo">2588</span> throw new RuntimeException(e);<a name="line.2588"></a> -<span class="sourceLineNo">2589</span> }<a name="line.2589"></a> -<span class="sourceLineNo">2590</span> }<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> * Starts a <code>MiniMRCluster</code>. 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FS_URI : FileSystem.get(conf).getUri().toString(), 1,<a name="line.2621"></a> -<span class="sourceLineNo">2622</span> null, null, new JobConf(this.conf));<a name="line.2622"></a> -<span class="sourceLineNo">2623</span> JobConf jobConf = MapreduceTestingShim.getJobConf(mrCluster);<a name="line.2623"></a> -<span class="sourceLineNo">2624</span> if (jobConf == null) {<a name="line.2624"></a> -<span class="sourceLineNo">2625</span> jobConf = mrCluster.createJobConf();<a name="line.2625"></a> -<span class="sourceLineNo">2626</span> }<a name="line.2626"></a> +<span class="sourceLineNo">2566</span> * Starts a <code>MiniMRCluster</code> with a default number of<a name="line.2566"></a> +<span class="sourceLineNo">2567</span> * <code>TaskTracker</code>'s.<a name="line.2567"></a> +<span class="sourceLineNo">2568</span> *<a name="line.2568"></a> +<span class="sourceLineNo">2569</span> * @throws IOException When starting the cluster fails.<a name="line.2569"></a> +<span class="sourceLineNo">2570</span> */<a name="line.2570"></a> +<span class="sourceLineNo">2571</span> public MiniMRCluster startMiniMapReduceCluster() throws IOException {<a name="line.2571"></a> +<span class="sourceLineNo">2572</span> // Set a very high max-disk-utilization percentage to avoid the NodeManagers from failing.<a name="line.2572"></a> +<span class="sourceLineNo">2573</span> conf.setIfUnset(<a name="line.2573"></a> +<span class="sourceLineNo">2574</span> "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage",<a name="line.2574"></a> +<span class="sourceLineNo">2575</span> "99.0");<a name="line.2575"></a> +<span class="sourceLineNo">2576</span> startMiniMapReduceCluster(2);<a name="line.2576"></a> +<span class="sourceLineNo">2577</span> return mrCluster;<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> /**<a name="line.2580"></a> +<span class="sourceLineNo">2581</span> * Tasktracker has a bug where changing the hadoop.log.dir system property<a name="line.2581"></a> +<span class="sourceLineNo">2582</span> * will not change its internal static LOG_DIR variable.<a name="line.2582"></a> +<span class="sourceLineNo">2583</span> */<a name="line.2583"></a> +<span class="sourceLineNo">2584</span> private void forceChangeTaskLogDir() {<a name="line.2584"></a> +<span class="sourceLineNo">2585</span> Field logDirField;<a name="line.2585"></a> +<span class="sourceLineNo">2586</span> try {<a name="line.2586"></a> +<span class="sourceLineNo">2587</span> logDirField = TaskLog.class.getDeclaredField("LOG_DIR");<a name="line.2587"></a> +<span class="sourceLineNo">2588</span> logDirField.setAccessible(true);<a name="line.2588"></a> +<span class="sourceLineNo">2589</span><a name="line.2589"></a> +<span class="sourceLineNo">2590</span> Field modifiersField = Field.class.getDeclaredField("modifiers");<a name="line.2590"></a> +<span class="sourceLineNo">2591</span> modifiersField.setAccessible(true);<a name="line.2591"></a> +<span class="sourceLineNo">2592</span> modifiersField.setInt(logDirField, logDirField.getModifiers() & ~Modifier.FINAL);<a name="line.2592"></a> +<span class="sourceLineNo">2593</span><a name="line.2593"></a> +<span class="sourceLineNo">2594</span> logDirField.set(null, new File(hadoopLogDir, "userlogs"));<a name="line.2594"></a> +<span class="sourceLineNo">2595</span> } catch (SecurityException e) {<a name="line.2595"></a> +<span class="sourceLineNo">2596</span> throw new RuntimeException(e);<a name="line.2596"></a> +<span class="sourceLineNo">2597</span> } catch (NoSuchFieldException e) {<a name="line.2597"></a> +<span class="sourceLineNo">2598</span> // TODO Auto-generated catch block<a name="line.2598"></a> +<span class="sourceLineNo">2599</span> throw new RuntimeException(e);<a name="line.2599"></a> +<span class="sourceLineNo">2600</span> } catch (IllegalArgumentException e) {<a name="line.2600"></a> +<span class="sourceLineNo">2601</span> throw new RuntimeException(e);<a name="line.2601"></a> +<span class="sourceLineNo">2602</span> } catch (IllegalAccessException e) {<a name="line.2602"></a> +<span class="sourceLineNo">2603</span> throw new RuntimeException(e);<a name="line.2603"></a> +<span class="sourceLineNo">2604</span> }<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> /**<a name="line.2607"></a> +<span class="sourceLineNo">2608</span> * Starts a <code>MiniMRCluster</code>. 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class="sourceLineNo">2743</span> // this.hbaseCluster shares this configuration too<a name="line.2743"></a> -<span class="sourceLineNo">2744</span> decrementMinRegionServerCount(getConfiguration());<a name="line.2744"></a> -<span class="sourceLineNo">2745</span><a name="line.2745"></a> -<span class="sourceLineNo">2746</span> // each master thread keeps a copy of configuration<a name="line.2746"></a> -<span class="sourceLineNo">2747</span> for (MasterThread master : getHBaseCluster().getMasterThreads()) {<a name="line.2747"></a> -<span class="sourceLineNo">2748</span> decrementMinRegionServerCount(master.getMaster().getConfiguration());<a name="line.2748"></a> -<span class="sourceLineNo">2749</span> }<a name="line.2749"></a> -<span class="sourceLineNo">2750</span> }<a name="line.2750"></a> -<span class="sourceLineNo">2751</span><a name="line.2751"></a> -<span class="sourceLineNo">2752</span> private void decrementMinRegionServerCount(Configuration conf) {<a name="line.2752"></a> -<span class="sourceLineNo">2753</span> int currentCount = conf.getInt(<a name="line.2753"></a> -<span class="sourceLineNo">2754</span> ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, -1);<a name="line.2754"></a> -<span class="sourceLineNo">2755</span> if (currentCount != -1) {<a name="line.2755"></a> -<span class="sourceLineNo">2756</span> conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART,<a name="line.2756"></a> -<span class="sourceLineNo">2757</span> Math.max(currentCount - 1, 1));<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">2662</span> String schedulerAddress =<a name="line.2662"></a> +<span class="sourceLineNo">2663</span> jobConf.get("yarn.resourcemanager.scheduler.address");<a name="line.2663"></a> +<span class="sourceLineNo">2664</span> if (schedulerAddress != null) {<a name="line.2664"></a> +<span class="sourceLineNo">2665</span> 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class="sourceLineNo">2686</span> mrCluster = null;<a name="line.2686"></a> +<span class="sourceLineNo">2687</span> LOG.info("Mini mapreduce cluster stopped");<a name="line.2687"></a> +<span class="sourceLineNo">2688</span> }<a name="line.2688"></a> +<span class="sourceLineNo">2689</span> // Restore configuration to point to local jobtracker<a name="line.2689"></a> +<span class="sourceLineNo">2690</span> conf.set("mapreduce.jobtracker.address", "local");<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> /**<a name="line.2693"></a> +<span class="sourceLineNo">2694</span> * Create a stubbed out RegionServerService, mainly for getting FS.<a name="line.2694"></a> +<span class="sourceLineNo">2695</span> */<a name="line.2695"></a> +<span class="sourceLineNo">2696</span> public RegionServerServices createMockRegionServerService() throws IOException {<a 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MockRegionServerServices(getZooKeeperWatcher());<a name="line.2706"></a> +<span class="sourceLineNo">2707</span> rss.setFileSystem(getTestFileSystem());<a name="line.2707"></a> +<span class="sourceLineNo">2708</span> rss.setRpcServer(rpc);<a name="line.2708"></a> +<span class="sourceLineNo">2709</span> return rss;<a name="line.2709"></a> +<span class="sourceLineNo">2710</span> }<a name="line.2710"></a> +<span class="sourceLineNo">2711</span><a name="line.2711"></a> +<span class="sourceLineNo">2712</span> /**<a name="line.2712"></a> +<span class="sourceLineNo">2713</span> * Create a stubbed out RegionServerService, mainly for getting FS.<a name="line.2713"></a> +<span class="sourceLineNo">2714</span> * This version is used by TestOpenRegionHandler<a name="line.2714"></a> +<span class="sourceLineNo">2715</span> */<a name="line.2715"></a> +<span class="sourceLineNo">2716</span> public RegionServerServices createMockRegionServerService(ServerName name) throws IOException {<a 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class="sourceLineNo">2738</span> * @throws Exception<a name="line.2738"></a> +<span class="sourceLineNo">2739</span> */<a name="line.2739"></a> +<span class="sourceLineNo">2740</span> public void expireMasterSession() throws Exception {<a name="line.2740"></a> +<span class="sourceLineNo">2741</span> HMaster master = getMiniHBaseCluster().getMaster();<a name="line.2741"></a> +<span class="sourceLineNo">2742</span> expireSession(master.getZooKeeper(), false);<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> /**<a name="line.2745"></a> +<span class="sourceLineNo">2746</span> * Expire a region server's session<a name="line.2746"></a> +<span class="sourceLineNo">2747</span> * @param index which RS<a name="line.2747"></a> +<span class="sourceLineNo">2748</span> * @throws Exception<a name="line.2748"></a> +<span class="sourceLineNo">2749</span> */<a name="line.2749"></a> +<span class="sourceLineNo">2750</span> public void expireRegionServerSession(int index) throws Exception {<a name="line.2750"></a> +<span class="sourceLineNo">2751</span> HRegionServer rs = getMiniHBaseCluster().getRegionServer(index);<a name="line.2751"></a> +<span class="sourceLineNo">2752</span> expireSession(rs.getZooKeeper(), false);<a name="line.2752"></a> +<span class="sourceLineNo">2753</span> decrementMinRegionServerCount();<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> private void decrementMinRegionServerCount() {<a name="line.2756"></a> +<span class="sourceLineNo">2757</span> // decrement the count for this.conf, for newly spwaned master<a name="line.2757"></a> +<span class="sourceLineNo">2758</span> // this.hbaseCluster shares this configuration too<a name="line.2758"></a> +<span class="sourceLineNo">2759</span> decrementMinRegionServerCount(getConfiguration());<a name="line.2759"></a> <span class="sourceLineNo">2760</span><a name="line.2760"></a> -<span class="sourceLineNo">2761</span> public void expireSession(ZKWatcher nodeZK) throws Exception {<a name="line.2761"></a> -<span class="sourceLineNo">2762</span> expireSession(nodeZK, false);<a name="line.2762"></a> -<span class="sourceLineNo">2763</span> }<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> * Expire a ZooKeeper session as recommended in ZooKeeper documentation<a name="line.2766"></a> -<span class="sourceLineNo">2767</span> * http://hbase.apache.org/book.html#trouble.zookeeper<a name="line.2767"></a> -<span class="sourceLineNo">2768</span> * There are issues when doing this:<a name="line.2768"></a> -<span class="sourceLineNo">2769</span> * [1] http://www.mail-archive.com/dev@zookeeper.apache.org/msg01942.html<a name="line.2769"></a> -<span class="sourceLineNo">2770</span> * [2] https://issues.apache.org/jira/browse/ZOOKEEPER-1105<a name="line.2770"></a> -<span class="sourceLineNo">2771</span> *<a name="line.2771"></a> -<span class="sourceLineNo">2772</span> * @param nodeZK - the ZK watcher to expire<a name="line.2772"></a> -<span class="sourceLineNo">2773</span> * @param checkStatus - true to check if we can create a Table with the<a name="line.2773"></a> -<span class="sourceLineNo">2774</span> * current configuration.<a name="line.2774"></a> -<span class="sourceLineNo">2775</span> */<a name="line.2775"></a> -<span class="sourceLineNo">2776</span> public void expireSession(ZKWatcher nodeZK, boolean checkStatus)<a name="line.2776"></a> -<span class="sourceLineNo">2777</span> throws Exception {<a name="line.2777"></a> -<span class="sourceLineNo">2778</span> Configuration c = new Configuration(this.conf);<a name="line.2778"></a> -<span class="sourceLineNo">2779</span> String quorumServers = ZKConfig.getZKQuorumServersString(c);<a name="line.2779"></a> -<span class="sourceLineNo">2780</span> ZooKeeper zk = nodeZK.getRecoverableZooKeeper().getZooKeeper();<a name="line.2780"></a> -<span class="sourceLineNo">2781</span> byte[] password = zk.getSessionPasswd();<a name="line.2781"></a> -<span class="sourceLineNo">2782</span> long sessionID = zk.getSessionId();<a name="line.2782"></a> -<span class="sourceLineNo">2783</span><a name="line.2783"></a> -<span class="sourceLineNo">2784</span> // Expiry seems to be asynchronous (see comment from P. Hunt in [1]),<a name="line.2784"></a> -<span class="sourceLineNo">2785</span> // so we create a first watcher to be sure that the<a name="line.2785"></a> -<span class="sourceLineNo">2786</span> // event was sent. We expect that if our watcher receives the event<a name="line.2786"></a> -<span class="sourceLineNo">2787</span> // other watchers on the same machine will get is as well.<a name="line.2787"></a> -<span class="sourceLineNo">2788</span> // When we ask to close the connection, ZK does not close it before<a name="line.2788"></a> -<span class="sourceLineNo">2789</span> // we receive all the events, so don't have to capture the event, just<a name="line.2789"></a> -<span class="sourceLineNo">2790</span> // closing the connection should be enough.<a name="line.2790"></a> -<span class="sourceLineNo">2791</span> ZooKeeper monitor = new ZooKeeper(quorumServers,<a name="line.2791"></a> -<span class="sourceLineNo">2792</span> 1000, new org.apache.zookeeper.Watcher(){<a name="line.2792"></a> -<span class="sourceLineNo">2793</span> @Override<a name="line.2793"></a> -<span class="sourceLineNo">2794</span> public void process(WatchedEvent watchedEvent) {<a name="line.2794"></a> -<span class="sourceLineNo">2795</span> LOG.info("Monitor ZKW received event="+watchedEvent);<a name="line.2795"></a> -<span class="sourceLineNo">2796</span> }<a name="line.2796"></a> -<span class="sourceLineNo">2797</span> } , sessionID, password);<a name="line.2797"></a> +<span class="sourceLineNo">2761</span> // each master thread keeps a copy of configuration<a name="line.2761"></a> +<span class="sourceLineNo">2762</span> for (MasterThread master : getHBaseCluster().getMasterThreads()) {<a name="line.2762"></a> +<span class="sourceLineNo">2763</span> decrementMinRegionServerCount(master.getMaster().getConfiguration());<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> private void decrementMinRegionServerCount(Configuration conf) {<a name="line.2767"></a> +<span class="sourceLineNo">2768</span> int currentCount = conf.getInt(<a name="line.2768"></a> +<span class="sourceLineNo">2769</span> ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, -1);<a name="line.2769"></a> +<span class="sourceLineNo">2770</span> if (currentCount != -1) {<a name="line.2770"></a> +<span class="sourceLineNo">2771</span> conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART,<a name="line.2771"></a> +<span class="sourceLineNo">2772</span> Math.max(currentCount - 1, 1));<a name="line.2772"></a> +<span class="sourceLineNo">2773</span> }<a name="line.2773"></a> +<span class="sourceLineNo">2774</span> }<a name="line.2774"></a> +<span class="sourceLineNo">2775</span><a name="line.2775"></a> +<span class="sourceLineNo">2776</span> public void expireSession(ZKWatcher nodeZK) throws Exception {<a name="line.2776"></a> +<span class="sourceLineNo">2777</span> expireSession(nodeZK, false);<a name="line.2777"></a> +<span class="sourceLineNo">2778</span> }<a name="line.2778"></a> +<span class="sourceLineNo">2779</span><a name="line.2779"></a> +<span class="sourceLineNo">2780</span> /**<a name="line.2780"></a> +<span class="sourceLineNo">2781</span> * Expire a ZooKeeper session as recommended in ZooKeeper documentation<a name="line.2781"></a> +<span class="sourceLineNo">2782</span> * http://hbase.apache.org/book.html#trouble.zookeeper<a name="line.2782"></a> +<span class="sourceLineNo">2783</span> * There are issues when doing this:<a name="line.2783"></a> +<span class="sourceLineNo">2784</span> * [1] http://www.mail-archive.com/dev@zookeeper.apache.org/msg01942.html<a name="line.2784"></a> +<span class="sourceLineNo">2785</span> * [2] https://issues.apache.org/jira/browse/ZOOKEEPER-1105<a name="line.2785"></a> +<span class="sourceLineNo">2786</span> *<a name="line.2786"></a> +<span class="sourceLineNo">2787</span> * @param nodeZK - the ZK watcher to expire<a name="line.2787"></a> +<span class="sourceLineNo">2788</span> * @param checkStatus - true to check if we can create a Table with the<a name="line.2788"></a> +<span class="sourceLineNo">2789</span> * current configuration.<a name="line.2789"></a> +<span class="sourceLineNo">2790</span> */<a name="line.2790"></a> +<span class="sourceLineNo">2791</span> public void expireSession(ZKWatcher nodeZK, boolean checkStatus)<a name="line.2791"></a> +<span class="sourceLineNo">2792</span> throws Exception {<a name="line.2792"></a> +<span class="sourceLineNo">2793</span> Configuration c = new Configuration(this.conf);<a name="line.2793"></a> +<span class="sourceLineNo">2794</span> String quorumServers = ZKConfig.getZKQuorumServersString(c);<a name="line.2794"></a> +<span class="sourceLineNo">2795</span> ZooKeeper zk = nodeZK.getRecoverableZooKeeper().getZooKeeper();<a name="line.2795"></a> +<span class="sourceLineNo">2796</span> byte[] password = zk.getSessionPasswd();<a name="line.2796"></a> +<span class="sourceLineNo">2797</span> long sessionID = zk.getSessionId();<a name="line.2797"></a> <span class="sourceLineNo">2798</span><a name="line.2798"></a> -<span class="sourceLineNo">2799</span> // Making it expire<a name="line.2799"></a> -<span class="sourceLineNo">2800</span> ZooKeeper newZK = new ZooKeeper(quorumServers,<a name="line.2800"></a> -<span class="sourceLineNo">2801</span> 1000, EmptyWatcher.instance, sessionID, password);<a name="line.2801"></a> -<span class="sourceLineNo">2802</span><a name="line.2802"></a> -<span class="sourceLineNo">2803</span> //ensure that we have connection to the server before closing down, otherwise<a name="line.2803"></a> -<span class="sourceLineNo">2804</span> //the close session event will be eaten out before we start CONNECTING state<a name="line.2804"></a> -<span class="sourceLineNo">2805</span> long start = System.currentTimeMillis();<a name="line.2805"></a> -<span class="sourceLineNo">2806</span> while (newZK.getState() != States.CONNECTED<a name="line.2806"></a> -<span class="sourceLineNo">2807</span> && System.currentTimeMillis() - 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Will be closed on shutdown of cluster.<a name="line.2848"></a> -<span class="sourceLineNo">2849</span> * @throws IOException<a name="line.2849"></a> -<span class="sourceLineNo">2850</span> */<a name="line.2850"></a> -<span class="sourceLineNo">2851</span> public Connection getConnection() throws IOException {<a name="line.2851"></a> -<span class="sourceLineNo">2852</span> if (this.connection == null) {<a name="line.2852"></a> -<span class="sourceLineNo">2853</span> this.connection = ConnectionFactory.createConnection(this.conf);<a name="line.2853"></a> -<span class="sourceLineNo">2854</span> }<a name="line.2854"></a> -<span class="sourceLineNo">2855</span> return this.connection;<a name="line.2855"></a> -<span class="sourceLineNo">2856</span> }<a name="line.2856"></a> -<span class="sourceLineNo">2857</span><a name="line.2857"></a> -<span class="sourceLineNo">2858</span> /**<a name="line.2858"></a> -<span class="sourceLineNo">2859</span> * Returns a Admin instance.<a name="line.2859"></a> -<span class="sourceLineNo">2860</span> * This instance is shared between HBaseTestingUtility instance users. 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<TRUNCATED>