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From git-site-r...@apache.org
Subject [50/51] [partial] hbase-site git commit: Published site at .
Date Thu, 14 Dec 2017 15:19:06 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/dc4e5c85/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html b/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
index 4fbcab2..d426656 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
@@ -135,7 +135,7 @@
 <span class="sourceLineNo">127</span>     *     or hostname:port.<a name="line.127"></a>
 <span class="sourceLineNo">128</span>     */<a name="line.128"></a>
 <span class="sourceLineNo">129</span>    public RegionMoverBuilder(String hostname) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      String[] splitHostname = hostname.split(":");<a name="line.130"></a>
+<span class="sourceLineNo">130</span>      String[] splitHostname = hostname.toLowerCase().split(":");<a name="line.130"></a>
 <span class="sourceLineNo">131</span>      this.hostname = splitHostname[0];<a name="line.131"></a>
 <span class="sourceLineNo">132</span>      if (splitHostname.length == 2) {<a name="line.132"></a>
 <span class="sourceLineNo">133</span>        this.port = Integer.parseInt(splitHostname[1]);<a name="line.133"></a>
@@ -417,599 +417,600 @@
 <span class="sourceLineNo">409</span>        counter++;<a name="line.409"></a>
 <span class="sourceLineNo">410</span>        continue;<a name="line.410"></a>
 <span class="sourceLineNo">411</span>      } else if (server.equals(currentServer)) {<a name="line.411"></a>
-<span class="sourceLineNo">412</span>        LOG.info("Region " + region.getRegionNameAsString() + "already on target server=" + server);<a name="line.412"></a>
-<span class="sourceLineNo">413</span>        counter++;<a name="line.413"></a>
-<span class="sourceLineNo">414</span>        continue;<a name="line.414"></a>
-<span class="sourceLineNo">415</span>      }<a name="line.415"></a>
-<span class="sourceLineNo">416</span>      if (ack) {<a name="line.416"></a>
-<span class="sourceLineNo">417</span>        Future&lt;Boolean&gt; task =<a name="line.417"></a>
-<span class="sourceLineNo">418</span>            moveRegionsPool.submit(new MoveWithAck(admin, region, currentServer, server,<a name="line.418"></a>
-<span class="sourceLineNo">419</span>                movedRegions));<a name="line.419"></a>
-<span class="sourceLineNo">420</span>        taskList.add(task);<a name="line.420"></a>
-<span class="sourceLineNo">421</span>      } else {<a name="line.421"></a>
-<span class="sourceLineNo">422</span>        Future&lt;Boolean&gt; task =<a name="line.422"></a>
-<span class="sourceLineNo">423</span>            moveRegionsPool.submit(new MoveWithoutAck(admin, region, currentServer, server,<a name="line.423"></a>
-<span class="sourceLineNo">424</span>                movedRegions));<a name="line.424"></a>
-<span class="sourceLineNo">425</span>        taskList.add(task);<a name="line.425"></a>
-<span class="sourceLineNo">426</span>      }<a name="line.426"></a>
-<span class="sourceLineNo">427</span>      counter++;<a name="line.427"></a>
-<span class="sourceLineNo">428</span>    }<a name="line.428"></a>
-<span class="sourceLineNo">429</span>    moveRegionsPool.shutdown();<a name="line.429"></a>
-<span class="sourceLineNo">430</span>    long timeoutInSeconds =<a name="line.430"></a>
-<span class="sourceLineNo">431</span>        regionsToMove.size()<a name="line.431"></a>
-<span class="sourceLineNo">432</span>            * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.432"></a>
-<span class="sourceLineNo">433</span>    try {<a name="line.433"></a>
-<span class="sourceLineNo">434</span>      if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.434"></a>
-<span class="sourceLineNo">435</span>        moveRegionsPool.shutdownNow();<a name="line.435"></a>
-<span class="sourceLineNo">436</span>      }<a name="line.436"></a>
-<span class="sourceLineNo">437</span>    } catch (InterruptedException e) {<a name="line.437"></a>
-<span class="sourceLineNo">438</span>      moveRegionsPool.shutdownNow();<a name="line.438"></a>
-<span class="sourceLineNo">439</span>      Thread.currentThread().interrupt();<a name="line.439"></a>
-<span class="sourceLineNo">440</span>    }<a name="line.440"></a>
-<span class="sourceLineNo">441</span>    for (Future&lt;Boolean&gt; future : taskList) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span>      try {<a name="line.442"></a>
-<span class="sourceLineNo">443</span>        // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.443"></a>
-<span class="sourceLineNo">444</span>        if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.444"></a>
-<span class="sourceLineNo">445</span>          LOG.error("Was Not able to move region....Exiting Now");<a name="line.445"></a>
-<span class="sourceLineNo">446</span>          throw new Exception("Could not move region Exception");<a name="line.446"></a>
-<span class="sourceLineNo">447</span>        }<a name="line.447"></a>
-<span class="sourceLineNo">448</span>      } catch (InterruptedException e) {<a name="line.448"></a>
-<span class="sourceLineNo">449</span>        LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.449"></a>
-<span class="sourceLineNo">450</span>        throw e;<a name="line.450"></a>
-<span class="sourceLineNo">451</span>      } catch (ExecutionException e) {<a name="line.451"></a>
-<span class="sourceLineNo">452</span>        LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.452"></a>
-<span class="sourceLineNo">453</span>        throw e;<a name="line.453"></a>
-<span class="sourceLineNo">454</span>      } catch (CancellationException e) {<a name="line.454"></a>
-<span class="sourceLineNo">455</span>        LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.455"></a>
-<span class="sourceLineNo">456</span>            + timeoutInSeconds + "secs", e);<a name="line.456"></a>
-<span class="sourceLineNo">457</span>        throw e;<a name="line.457"></a>
-<span class="sourceLineNo">458</span>      }<a name="line.458"></a>
-<span class="sourceLineNo">459</span>    }<a name="line.459"></a>
-<span class="sourceLineNo">460</span>  }<a name="line.460"></a>
-<span class="sourceLineNo">461</span><a name="line.461"></a>
-<span class="sourceLineNo">462</span>  @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="DLS_DEAD_LOCAL_STORE",<a name="line.462"></a>
-<span class="sourceLineNo">463</span>      justification="FB is wrong; its size is read")<a name="line.463"></a>
-<span class="sourceLineNo">464</span>  private void unloadRegions(Admin admin, String server, ArrayList&lt;String&gt; regionServers,<a name="line.464"></a>
-<span class="sourceLineNo">465</span>      boolean ack, List&lt;RegionInfo&gt; movedRegions) throws Exception {<a name="line.465"></a>
-<span class="sourceLineNo">466</span>    List&lt;RegionInfo&gt; regionsToMove = new ArrayList&lt;&gt;();// FindBugs: DLS_DEAD_LOCAL_STORE<a name="line.466"></a>
-<span class="sourceLineNo">467</span>    regionsToMove = getRegions(this.conf, server);<a name="line.467"></a>
-<span class="sourceLineNo">468</span>    if (regionsToMove.isEmpty()) {<a name="line.468"></a>
-<span class="sourceLineNo">469</span>      LOG.info("No Regions to move....Quitting now");<a name="line.469"></a>
-<span class="sourceLineNo">470</span>      return;<a name="line.470"></a>
-<span class="sourceLineNo">471</span>    } else if (regionServers.isEmpty()) {<a name="line.471"></a>
-<span class="sourceLineNo">472</span>      LOG.warn("No Regions were moved - no servers available");<a name="line.472"></a>
-<span class="sourceLineNo">473</span>      throw new Exception("No online region servers");<a name="line.473"></a>
-<span class="sourceLineNo">474</span>    }<a name="line.474"></a>
-<span class="sourceLineNo">475</span>    while (true) {<a name="line.475"></a>
-<span class="sourceLineNo">476</span>      regionsToMove = getRegions(this.conf, server);<a name="line.476"></a>
-<span class="sourceLineNo">477</span>      regionsToMove.removeAll(movedRegions);<a name="line.477"></a>
-<span class="sourceLineNo">478</span>      if (regionsToMove.isEmpty()) {<a name="line.478"></a>
-<span class="sourceLineNo">479</span>        break;<a name="line.479"></a>
-<span class="sourceLineNo">480</span>      }<a name="line.480"></a>
-<span class="sourceLineNo">481</span>      int counter = 0;<a name="line.481"></a>
-<span class="sourceLineNo">482</span>      LOG.info("Moving " + regionsToMove.size() + " regions from " + this.hostname + " to "<a name="line.482"></a>
-<span class="sourceLineNo">483</span>          + regionServers.size() + " servers using " + this.maxthreads + " threads .Ack Mode:"<a name="line.483"></a>
-<span class="sourceLineNo">484</span>          + ack);<a name="line.484"></a>
-<span class="sourceLineNo">485</span>      ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.485"></a>
-<span class="sourceLineNo">486</span>      List&lt;Future&lt;Boolean&gt;&gt; taskList = new ArrayList&lt;&gt;();<a name="line.486"></a>
-<span class="sourceLineNo">487</span>      int serverIndex = 0;<a name="line.487"></a>
-<span class="sourceLineNo">488</span>      while (counter &lt; regionsToMove.size()) {<a name="line.488"></a>
-<span class="sourceLineNo">489</span>        if (ack) {<a name="line.489"></a>
-<span class="sourceLineNo">490</span>          Future&lt;Boolean&gt; task =<a name="line.490"></a>
-<span class="sourceLineNo">491</span>              moveRegionsPool.submit(new MoveWithAck(admin, regionsToMove.get(counter), server,<a name="line.491"></a>
-<span class="sourceLineNo">492</span>                  regionServers.get(serverIndex), movedRegions));<a name="line.492"></a>
-<span class="sourceLineNo">493</span>          taskList.add(task);<a name="line.493"></a>
-<span class="sourceLineNo">494</span>        } else {<a name="line.494"></a>
-<span class="sourceLineNo">495</span>          Future&lt;Boolean&gt; task =<a name="line.495"></a>
-<span class="sourceLineNo">496</span>              moveRegionsPool.submit(new MoveWithoutAck(admin, regionsToMove.get(counter), server,<a name="line.496"></a>
-<span class="sourceLineNo">497</span>                  regionServers.get(serverIndex), movedRegions));<a name="line.497"></a>
-<span class="sourceLineNo">498</span>          taskList.add(task);<a name="line.498"></a>
-<span class="sourceLineNo">499</span>        }<a name="line.499"></a>
-<span class="sourceLineNo">500</span>        counter++;<a name="line.500"></a>
-<span class="sourceLineNo">501</span>        serverIndex = (serverIndex + 1) % regionServers.size();<a name="line.501"></a>
-<span class="sourceLineNo">502</span>      }<a name="line.502"></a>
-<span class="sourceLineNo">503</span>      moveRegionsPool.shutdown();<a name="line.503"></a>
-<span class="sourceLineNo">504</span>      long timeoutInSeconds =<a name="line.504"></a>
-<span class="sourceLineNo">505</span>          regionsToMove.size()<a name="line.505"></a>
-<span class="sourceLineNo">506</span>              * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.506"></a>
-<span class="sourceLineNo">507</span>      try {<a name="line.507"></a>
-<span class="sourceLineNo">508</span>        if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.508"></a>
-<span class="sourceLineNo">509</span>          moveRegionsPool.shutdownNow();<a name="line.509"></a>
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-<span class="sourceLineNo">511</span>      } catch (InterruptedException e) {<a name="line.511"></a>
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-<span class="sourceLineNo">513</span>        Thread.currentThread().interrupt();<a name="line.513"></a>
-<span class="sourceLineNo">514</span>      }<a name="line.514"></a>
-<span class="sourceLineNo">515</span>      for (Future&lt;Boolean&gt; future : taskList) {<a name="line.515"></a>
-<span class="sourceLineNo">516</span>        try {<a name="line.516"></a>
-<span class="sourceLineNo">517</span>          // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.517"></a>
-<span class="sourceLineNo">518</span>          if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.518"></a>
-<span class="sourceLineNo">519</span>            LOG.error("Was Not able to move region....Exiting Now");<a name="line.519"></a>
-<span class="sourceLineNo">520</span>            throw new Exception("Could not move region Exception");<a name="line.520"></a>
-<span class="sourceLineNo">521</span>          }<a name="line.521"></a>
-<span class="sourceLineNo">522</span>        } catch (InterruptedException e) {<a name="line.522"></a>
-<span class="sourceLineNo">523</span>          LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.523"></a>
-<span class="sourceLineNo">524</span>          throw e;<a name="line.524"></a>
-<span class="sourceLineNo">525</span>        } catch (ExecutionException e) {<a name="line.525"></a>
-<span class="sourceLineNo">526</span>          LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.526"></a>
-<span class="sourceLineNo">527</span>          throw e;<a name="line.527"></a>
-<span class="sourceLineNo">528</span>        } catch (CancellationException e) {<a name="line.528"></a>
-<span class="sourceLineNo">529</span>          LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.529"></a>
-<span class="sourceLineNo">530</span>              + timeoutInSeconds + "secs", e);<a name="line.530"></a>
-<span class="sourceLineNo">531</span>          throw e;<a name="line.531"></a>
-<span class="sourceLineNo">532</span>        }<a name="line.532"></a>
-<span class="sourceLineNo">533</span>      }<a name="line.533"></a>
-<span class="sourceLineNo">534</span>    }<a name="line.534"></a>
-<span class="sourceLineNo">535</span>  }<a name="line.535"></a>
-<span class="sourceLineNo">536</span><a name="line.536"></a>
-<span class="sourceLineNo">537</span>  /**<a name="line.537"></a>
-<span class="sourceLineNo">538</span>   * Move Regions and make sure that they are up on the target server.If a region movement fails we<a name="line.538"></a>
-<span class="sourceLineNo">539</span>   * exit as failure<a name="line.539"></a>
-<span class="sourceLineNo">540</span>   */<a name="line.540"></a>
-<span class="sourceLineNo">541</span>  private class MoveWithAck implements Callable&lt;Boolean&gt; {<a name="line.541"></a>
-<span class="sourceLineNo">542</span>    private Admin admin;<a name="line.542"></a>
-<span class="sourceLineNo">543</span>    private RegionInfo region;<a name="line.543"></a>
-<span class="sourceLineNo">544</span>    private String targetServer;<a name="line.544"></a>
-<span class="sourceLineNo">545</span>    private List&lt;RegionInfo&gt; movedRegions;<a name="line.545"></a>
-<span class="sourceLineNo">546</span>    private String sourceServer;<a name="line.546"></a>
-<span class="sourceLineNo">547</span><a name="line.547"></a>
-<span class="sourceLineNo">548</span>    public MoveWithAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.548"></a>
-<span class="sourceLineNo">549</span>        String targetServer, List&lt;RegionInfo&gt; movedRegions) {<a name="line.549"></a>
-<span class="sourceLineNo">550</span>      this.admin = admin;<a name="line.550"></a>
-<span class="sourceLineNo">551</span>      this.region = regionInfo;<a name="line.551"></a>
-<span class="sourceLineNo">552</span>      this.targetServer = targetServer;<a name="line.552"></a>
-<span class="sourceLineNo">553</span>      this.movedRegions = movedRegions;<a name="line.553"></a>
-<span class="sourceLineNo">554</span>      this.sourceServer = sourceServer;<a name="line.554"></a>
-<span class="sourceLineNo">555</span>    }<a name="line.555"></a>
-<span class="sourceLineNo">556</span><a name="line.556"></a>
-<span class="sourceLineNo">557</span>    @Override<a name="line.557"></a>
-<span class="sourceLineNo">558</span>    public Boolean call() throws IOException, InterruptedException {<a name="line.558"></a>
-<span class="sourceLineNo">559</span>      boolean moved = false;<a name="line.559"></a>
-<span class="sourceLineNo">560</span>      int count = 0;<a name="line.560"></a>
-<span class="sourceLineNo">561</span>      int retries = admin.getConfiguration().getInt(MOVE_RETRIES_MAX_KEY, DEFAULT_MOVE_RETRIES_MAX);<a name="line.561"></a>
-<span class="sourceLineNo">562</span>      int maxWaitInSeconds =<a name="line.562"></a>
-<span class="sourceLineNo">563</span>          admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.563"></a>
-<span class="sourceLineNo">564</span>      long startTime = EnvironmentEdgeManager.currentTime();<a name="line.564"></a>
-<span class="sourceLineNo">565</span>      boolean sameServer = true;<a name="line.565"></a>
-<span class="sourceLineNo">566</span>      // Assert we can scan the region in its current location<a name="line.566"></a>
-<span class="sourceLineNo">567</span>      isSuccessfulScan(admin, region);<a name="line.567"></a>
-<span class="sourceLineNo">568</span>      LOG.info("Moving region:" + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.568"></a>
-<span class="sourceLineNo">569</span>          + targetServer);<a name="line.569"></a>
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-<span class="sourceLineNo">571</span>        if (count &gt; 0) {<a name="line.571"></a>
-<span class="sourceLineNo">572</span>          LOG.info("Retry " + Integer.toString(count) + " of maximum " + Integer.toString(retries));<a name="line.572"></a>
-<span class="sourceLineNo">573</span>        }<a name="line.573"></a>
-<span class="sourceLineNo">574</span>        count = count + 1;<a name="line.574"></a>
-<span class="sourceLineNo">575</span>        admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.575"></a>
-<span class="sourceLineNo">576</span>        long maxWait = startTime + (maxWaitInSeconds * 1000);<a name="line.576"></a>
-<span class="sourceLineNo">577</span>        while (EnvironmentEdgeManager.currentTime() &lt; maxWait) {<a name="line.577"></a>
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-<span class="sourceLineNo">585</span>      if (sameServer) {<a name="line.585"></a>
-<span class="sourceLineNo">586</span>        LOG.error("Region: " + region.getRegionNameAsString() + " stuck on " + this.sourceServer<a name="line.586"></a>
-<span class="sourceLineNo">587</span>            + ",newServer=" + this.targetServer);<a name="line.587"></a>
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-<span class="sourceLineNo">590</span>        LOG.info("Moved Region "<a name="line.590"></a>
-<span class="sourceLineNo">591</span>            + region.getRegionNameAsString()<a name="line.591"></a>
-<span class="sourceLineNo">592</span>            + " cost:"<a name="line.592"></a>
-<span class="sourceLineNo">593</span>            + String.format("%.3f",<a name="line.593"></a>
-<span class="sourceLineNo">594</span>              (float) (EnvironmentEdgeManager.currentTime() - startTime) / 1000));<a name="line.594"></a>
-<span class="sourceLineNo">595</span>        moved = true;<a name="line.595"></a>
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-<span class="sourceLineNo">597</span>      }<a name="line.597"></a>
-<span class="sourceLineNo">598</span>      return moved;<a name="line.598"></a>
-<span class="sourceLineNo">599</span>    }<a name="line.599"></a>
-<span class="sourceLineNo">600</span>  }<a name="line.600"></a>
-<span class="sourceLineNo">601</span><a name="line.601"></a>
-<span class="sourceLineNo">602</span>  /**<a name="line.602"></a>
-<span class="sourceLineNo">603</span>   * Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the<a name="line.603"></a>
-<span class="sourceLineNo">604</span>   * RS down anyways and not abort on a stuck region. Improves movement performance<a name="line.604"></a>
-<span class="sourceLineNo">605</span>   */<a name="line.605"></a>
-<span class="sourceLineNo">606</span>  private static class MoveWithoutAck implements Callable&lt;Boolean&gt; {<a name="line.606"></a>
-<span class="sourceLineNo">607</span>    private Admin admin;<a name="line.607"></a>
-<span class="sourceLineNo">608</span>    private RegionInfo region;<a name="line.608"></a>
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-<span class="sourceLineNo">612</span><a name="line.612"></a>
-<span class="sourceLineNo">613</span>    public MoveWithoutAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.613"></a>
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-<span class="sourceLineNo">615</span>      this.admin = admin;<a name="line.615"></a>
-<span class="sourceLineNo">616</span>      this.region = regionInfo;<a name="line.616"></a>
-<span class="sourceLineNo">617</span>      this.targetServer = targetServer;<a name="line.617"></a>
-<span class="sourceLineNo">618</span>      this.movedRegions = movedRegions;<a name="line.618"></a>
-<span class="sourceLineNo">619</span>      this.sourceServer = sourceServer;<a name="line.619"></a>
-<span class="sourceLineNo">620</span>    }<a name="line.620"></a>
-<span class="sourceLineNo">621</span><a name="line.621"></a>
-<span class="sourceLineNo">622</span>    @Override<a name="line.622"></a>
-<span class="sourceLineNo">623</span>    public Boolean call() {<a name="line.623"></a>
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+<span class="sourceLineNo">503</span>      }<a name="line.503"></a>
+<span class="sourceLineNo">504</span>      moveRegionsPool.shutdown();<a name="line.504"></a>
+<span class="sourceLineNo">505</span>      long timeoutInSeconds =<a name="line.505"></a>
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+<span class="sourceLineNo">508</span>      try {<a name="line.508"></a>
+<span class="sourceLineNo">509</span>        if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.509"></a>
+<span class="sourceLineNo">510</span>          moveRegionsPool.shutdownNow();<a name="line.510"></a>
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+<span class="sourceLineNo">512</span>      } catch (InterruptedException e) {<a name="line.512"></a>
+<span class="sourceLineNo">513</span>        moveRegionsPool.shutdownNow();<a name="line.513"></a>
+<span class="sourceLineNo">514</span>        Thread.currentThread().interrupt();<a name="line.514"></a>
+<span class="sourceLineNo">515</span>      }<a name="line.515"></a>
+<span class="sourceLineNo">516</span>      for (Future&lt;Boolean&gt; future : taskList) {<a name="line.516"></a>
+<span class="sourceLineNo">517</span>        try {<a name="line.517"></a>
+<span class="sourceLineNo">518</span>          // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.518"></a>
+<span class="sourceLineNo">519</span>          if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.519"></a>
+<span class="sourceLineNo">520</span>            LOG.error("Was Not able to move region....Exiting Now");<a name="line.520"></a>
+<span class="sourceLineNo">521</span>            throw new Exception("Could not move region Exception");<a name="line.521"></a>
+<span class="sourceLineNo">522</span>          }<a name="line.522"></a>
+<span class="sourceLineNo">523</span>        } catch (InterruptedException e) {<a name="line.523"></a>
+<span class="sourceLineNo">524</span>          LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.524"></a>
+<span class="sourceLineNo">525</span>          throw e;<a name="line.525"></a>
+<span class="sourceLineNo">526</span>        } catch (ExecutionException e) {<a name="line.526"></a>
+<span class="sourceLineNo">527</span>          LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.527"></a>
+<span class="sourceLineNo">528</span>          throw e;<a name="line.528"></a>
+<span class="sourceLineNo">529</span>        } catch (CancellationException e) {<a name="line.529"></a>
+<span class="sourceLineNo">530</span>          LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.530"></a>
+<span class="sourceLineNo">531</span>              + timeoutInSeconds + "secs", e);<a name="line.531"></a>
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+<span class="sourceLineNo">536</span>  }<a name="line.536"></a>
+<span class="sourceLineNo">537</span><a name="line.537"></a>
+<span class="sourceLineNo">538</span>  /**<a name="line.538"></a>
+<span class="sourceLineNo">539</span>   * Move Regions and make sure that they are up on the target server.If a region movement fails we<a name="line.539"></a>
+<span class="sourceLineNo">540</span>   * exit as failure<a name="line.540"></a>
+<span class="sourceLineNo">541</span>   */<a name="line.541"></a>
+<span class="sourceLineNo">542</span>  private class MoveWithAck implements Callable&lt;Boolean&gt; {<a name="line.542"></a>
+<span class="sourceLineNo">543</span>    private Admin admin;<a name="line.543"></a>
+<span class="sourceLineNo">544</span>    private RegionInfo region;<a name="line.544"></a>
+<span class="sourceLineNo">545</span>    private String targetServer;<a name="line.545"></a>
+<span class="sourceLineNo">546</span>    private List&lt;RegionInfo&gt; movedRegions;<a name="line.546"></a>
+<span class="sourceLineNo">547</span>    private String sourceServer;<a name="line.547"></a>
+<span class="sourceLineNo">548</span><a name="line.548"></a>
+<span class="sourceLineNo">549</span>    public MoveWithAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.549"></a>
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+<span class="sourceLineNo">552</span>      this.region = regionInfo;<a name="line.552"></a>
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+<span class="sourceLineNo">554</span>      this.movedRegions = movedRegions;<a name="line.554"></a>
+<span class="sourceLineNo">555</span>      this.sourceServer = sourceServer;<a name="line.555"></a>
+<span class="sourceLineNo">556</span>    }<a name="line.556"></a>
+<span class="sourceLineNo">557</span><a name="line.557"></a>
+<span class="sourceLineNo">558</span>    @Override<a name="line.558"></a>
+<span class="sourceLineNo">559</span>    public Boolean call() throws IOException, InterruptedException {<a name="line.559"></a>
+<span class="sourceLineNo">560</span>      boolean moved = false;<a name="line.560"></a>
+<span class="sourceLineNo">561</span>      int count = 0;<a name="line.561"></a>
+<span class="sourceLineNo">562</span>      int retries = admin.getConfiguration().getInt(MOVE_RETRIES_MAX_KEY, DEFAULT_MOVE_RETRIES_MAX);<a name="line.562"></a>
+<span class="sourceLineNo">563</span>      int maxWaitInSeconds =<a name="line.563"></a>
+<span class="sourceLineNo">564</span>          admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.564"></a>
+<span class="sourceLineNo">565</span>      long startTime = EnvironmentEdgeManager.currentTime();<a name="line.565"></a>
+<span class="sourceLineNo">566</span>      boolean sameServer = true;<a name="line.566"></a>
+<span class="sourceLineNo">567</span>      // Assert we can scan the region in its current location<a name="line.567"></a>
+<span class="sourceLineNo">568</span>      isSuccessfulScan(admin, region);<a name="line.568"></a>
+<span class="sourceLineNo">569</span>      LOG.info("Moving region:" + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.569"></a>
+<span class="sourceLineNo">570</span>          + targetServer);<a name="line.570"></a>
+<span class="sourceLineNo">571</span>      while (count &lt; retries &amp;&amp; sameServer) {<a name="line.571"></a>
+<span class="sourceLineNo">572</span>        if (count &gt; 0) {<a name="line.572"></a>
+<span class="sourceLineNo">573</span>          LOG.info("Retry " + Integer.toString(count) + " of maximum " + Integer.toString(retries));<a name="line.573"></a>
+<span class="sourceLineNo">574</span>        }<a name="line.574"></a>
+<span class="sourceLineNo">575</span>        count = count + 1;<a name="line.575"></a>
+<span class="sourceLineNo">576</span>        admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.576"></a>
+<span class="sourceLineNo">577</span>        long maxWait = startTime + (maxWaitInSeconds * 1000);<a name="line.577"></a>
+<span class="sourceLineNo">578</span>        while (EnvironmentEdgeManager.currentTime() &lt; maxWait) {<a name="line.578"></a>
+<span class="sourceLineNo">579</span>          sameServer = isSameServer(admin, region, sourceServer);<a name="line.579"></a>
+<span class="sourceLineNo">580</span>          if (!sameServer) {<a name="line.580"></a>
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+<span class="sourceLineNo">582</span>          }<a name="line.582"></a>
+<span class="sourceLineNo">583</span>          Thread.sleep(100);<a name="line.583"></a>
+<span class="sourceLineNo">584</span>        }<a name="line.584"></a>
+<span class="sourceLineNo">585</span>      }<a name="line.585"></a>
+<span class="sourceLineNo">586</span>      if (sameServer) {<a name="line.586"></a>
+<span class="sourceLineNo">587</span>        LOG.error("Region: " + region.getRegionNameAsString() + " stuck on " + this.sourceServer<a name="line.587"></a>
+<span class="sourceLineNo">588</span>            + ",newServer=" + this.targetServer);<a name="line.588"></a>
+<span class="sourceLineNo">589</span>      } else {<a name="line.589"></a>
+<span class="sourceLineNo">590</span>        isSuccessfulScan(admin, region);<a name="line.590"></a>
+<span class="sourceLineNo">591</span>        LOG.info("Moved Region "<a name="line.591"></a>
+<span class="sourceLineNo">592</span>            + region.getRegionNameAsString()<a name="line.592"></a>
+<span class="sourceLineNo">593</span>            + " cost:"<a name="line.593"></a>
+<span class="sourceLineNo">594</span>            + String.format("%.3f",<a name="line.594"></a>
+<span class="sourceLineNo">595</span>              (float) (EnvironmentEdgeManager.currentTime() - startTime) / 1000));<a name="line.595"></a>
+<span class="sourceLineNo">596</span>        moved = true;<a name="line.596"></a>
+<span class="sourceLineNo">597</span>        movedRegions.add(region);<a name="line.597"></a>
+<span class="sourceLineNo">598</span>      }<a name="line.598"></a>
+<span class="sourceLineNo">599</span>      return moved;<a name="line.599"></a>
+<span class="sourceLineNo">600</span>    }<a name="line.600"></a>
+<span class="sourceLineNo">601</span>  }<a name="line.601"></a>
+<span class="sourceLineNo">602</span><a name="line.602"></a>
+<span class="sourceLineNo">603</span>  /**<a name="line.603"></a>
+<span class="sourceLineNo">604</span>   * Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the<a name="line.604"></a>
+<span class="sourceLineNo">605</span>   * RS down anyways and not abort on a stuck region. Improves movement performance<a name="line.605"></a>
+<span class="sourceLineNo">606</span>   */<a name="line.606"></a>
+<span class="sourceLineNo">607</span>  private static class MoveWithoutAck implements Callable&lt;Boolean&gt; {<a name="line.607"></a>
+<span class="sourceLineNo">608</span>    private Admin admin;<a name="line.608"></a>
+<span class="sourceLineNo">609</span>    private RegionInfo region;<a name="line.609"></a>
+<span class="sourceLineNo">610</span>    private String targetServer;<a name="line.610"></a>
+<span class="sourceLineNo">611</span>    private List&lt;RegionInfo&gt; movedRegions;<a name="line.611"></a>
+<span class="sourceLineNo">612</span>    private String sourceServer;<a name="line.612"></a>
+<span class="sourceLineNo">613</span><a name="line.613"></a>
+<span class="sourceLineNo">614</span>    public MoveWithoutAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.614"></a>
+<span class="sourceLineNo">615</span>        String targetServer, List&lt;RegionInfo&gt; movedRegions) {<a name="line.615"></a>
+<span class="sourceLineNo">616</span>      this.admin = admin;<a name="line.616"></a>
+<span class="sourceLineNo">617</span>      this.region = regionInfo;<a name="line.617"></a>
+<span class="sourceLineNo">618</span>      this.targetServer = targetServer;<a name="line.618"></a>
+<span class="sourceLineNo">619</span>      this.movedRegions = movedRegions;<a name="line.619"></a>
+<span class="sourceLineNo">620</span>      this.sourceServer = sourceServer;<a name="line.620"></a>
+<span class="sourceLineNo">621</span>    }<a name="line.621"></a>
+<span class="sourceLineNo">622</span><a name="line.622"></a>
+<span class="sourceLineNo">623</span>    @Override<a name="line.623"></a>
+<span class="sourceLineNo">624</span>    public Boolean call() {<a name="line.624"></a>
+<span class="sourceLineNo">625</span>      try {<a name="line.625"></a>
+<span class="sourceLineNo">626</span>        LOG.info("Moving region:" + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.626"></a>
+<span class="sourceLineNo">627</span>            + targetServer);<a name="line.627"></a>
+<span class="sourceLineNo">628</span>        admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.628"></a>
+<span class="sourceLineNo">629</span>        LOG.info("Moved " + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.629"></a>
+<span class="sourceLineNo">630</span>            + targetServer);<a name="line.630"></a>
+<span class="sourceLineNo">631</span>      } catch (Exception e) {<a name="line.631"></a>
+<span class="sourceLineNo">632</span>        LOG.error("Error Moving Region:" + region.getEncodedName(), e);<a name="line.632"></a>
+<span class="sourceLineNo">633</span>      } finally {<a name="line.633"></a>
+<span class="sourceLineNo">634</span>        // we add region to the moved regions list in No Ack Mode since this is best effort<a name="line.634"></a>
+<span class="sourceLineNo">635</span>        movedRegions.add(region);<a name="line.635"></a>
+<span class="sourceLineNo">636</span>      }<a name="line.636"></a>
+<span class="sourceLineNo">637</span>      return true;<a name="line.637"></a>
+<span class="sourceLineNo">638</span>    }<a name="line.638"></a>
+<span class="sourceLineNo">639</span>  }<a name="line.639"></a>
+<span class="sourceLineNo">640</span><a name="line.640"></a>
+<span class="sourceLineNo">641</span>  private List&lt;RegionInfo&gt; readRegionsFromFile(String filename) throws IOException {<a name="line.641"></a>
+<span class="sourceLineNo">642</span>    List&lt;RegionInfo&gt; regions = new ArrayList&lt;&gt;();<a name="line.642"></a>
+<span class="sourceLineNo">643</span>    File f = new File(filename);<a name="line.643"></a>
+<span class="sourceLineNo">644</span>    if (!f.exists()) {<a name="line.644"></a>
+<span class="sourceLineNo">645</span>      return regions;<a name="line.645"></a>
+<span class="sourceLineNo">646</span>    }<a name="line.646"></a>
+<span class="sourceLineNo">647</span>    FileInputStream fis = null;<a name="line.647"></a>
+<span class="sourceLineNo">648</span>    DataInputStream dis = null;<a name="line.648"></a>
+<span class="sourceLineNo">649</span>    try {<a name="line.649"></a>
+<span class="sourceLineNo">650</span>      fis = new FileInputStream(f);<a name="line.650"></a>
+<span class="sourceLineNo">651</span>      dis = new DataInputStream(fis);<a name="line.651"></a>
+<span class="sourceLineNo">652</span>      int numRegions = dis.readInt();<a name="line.652"></a>
+<span class="sourceLineNo">653</span>      int index = 0;<a name="line.653"></a>
+<span class="sourceLineNo">654</span>      while (index &lt; numRegions) {<a name="line.654"></a>
+<span class="sourceLineNo">655</span>        regions.add(RegionInfo.parseFromOrNull(Bytes.readByteArray(dis)));<a name="line.655"></a>
+<span class="sourceLineNo">656</span>        index++;<a name="line.656"></a>
+<span class="sourceLineNo">657</span>      }<a name="line.657"></a>
+<span class="sourceLineNo">658</span>    } catch (IOException e) {<a name="line.658"></a>
+<span class="sourceLineNo">659</span>      LOG.error("Error while reading regions from file:" + filename, e);<a name="line.659"></a>
+<span class="sourceLineNo">660</span>      throw e;<a name="line.660"></a>
+<span class="sourceLineNo">661</span>    } finally {<a name="line.661"></a>
+<span class="sourceLineNo">662</span>      if (dis != null) {<a name="line.662"></a>
+<span class="sourceLineNo">663</span>        dis.close();<a name="line.663"></a>
+<span class="sourceLineNo">664</span>      }<a name="line.664"></a>
+<span class="sourceLineNo">665</span>      if (fis != null) {<a name="line.665"></a>
+<span class="sourceLineNo">666</span>        fis.close();<a name="line.666"></a>
+<span class="sourceLineNo">667</span>      }<a name="line.667"></a>
+<span class="sourceLineNo">668</span>    }<a name="line.668"></a>
+<span class="sourceLineNo">669</span>    return regions;<a name="line.669"></a>
+<span class="sourceLineNo">670</span>  }<a name="line.670"></a>
+<span class="sourceLineNo">671</span><a name="line.671"></a>
+<span class="sourceLineNo">672</span>  /**<a name="line.672"></a>
+<span class="sourceLineNo">673</span>   * Get online regions of the passed server<a name="line.673"></a>
+<span class="sourceLineNo">674</span>   * @param conf<a name="line.674"></a>
+<span class="sourceLineNo">675</span>   * @param server<a name="line.675"></a>
+<span class="sourceLineNo">676</span>   * @return List of Regions online on the server<a name="line.676"></a>
+<span class="sourceLineNo">677</span>   * @throws IOException<a name="line.677"></a>
+<span class="sourceLineNo">678</span>   */<a name="line.678"></a>
+<span class="sourceLineNo">679</span>  private List&lt;RegionInfo&gt; getRegions(Configuration conf, String server) throws IOException {<a name="line.679"></a>
+<span class="sourceLineNo">680</span>    Connection conn = ConnectionFactory.createConnection(conf);<a name="line.680"></a>
+<span class="sourceLineNo">681</span>    try {<a name="line.681"></a>
+<span class="sourceLineNo">682</span>      return conn.getAdmin().getRegions(ServerName.valueOf(server));<a name="line.682"></a>
+<span class="sourceLineNo">683</span>    } finally {<a name="line.683"></a>
+<span class="sourceLineNo">684</span>      conn.close();<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    }<a name="line.685"></a>
+<span class="sourceLineNo">686</span>  }<a name="line.686"></a>
+<span class="sourceLineNo">687</span><a name="line.687"></a>
+<span class="sourceLineNo">688</span>  /**<a name="line.688"></a>
+<span class="sourceLineNo">689</span>   * Write the number of regions moved in the first line followed by regions moved in subsequent<a name="line.689"></a>
+<span class="sourceLineNo">690</span>   * lines<a name="line.690"></a>
+<span class="sourceLineNo">691</span>   * @param filename<a name="line.691"></a>
+<span class="sourceLineNo">692</span>   * @param movedRegions<a name="line.692"></a>
+<span class="sourceLineNo">693</span>   * @throws IOException<a name="line.693"></a>
+<span class="sourceLineNo">694</span>   */<a name="line.694"></a>
+<span class="sourceLineNo">695</span>  private void writeFile(String filename, List&lt;RegionInfo&gt; movedRegions) throws IOException {<a name="line.695"></a>
+<span class="sourceLineNo">696</span>    FileOutputStream fos = null;<a name="line.696"></a>
+<span class="sourceLineNo">697</span>    DataOutputStream dos = null;<a name="line.697"></a>
+<span class="sourceLineNo">698</span>    try {<a name="line.698"></a>
+<span class="sourceLineNo">699</span>      fos = new FileOutputStream(filename);<a name="line.699"></a>
+<span class="sourceLineNo">700</span>      dos = new DataOutputStream(fos);<a name="line.700"></a>
+<span class="sourceLineNo">701</span>      dos.writeInt(movedRegions.size());<a name="line.701"></a>
+<span class="sourceLineNo">702</span>      for (RegionInfo region : movedRegions) {<a name="line.702"></a>
+<span class="sourceLineNo">703</span>        Bytes.writeByteArray(dos, RegionInfo.toByteArray(region));<a name="line.703"></a>
+<span class="sourceLineNo">704</span>      }<a name="line.704"></a>
+<span class="sourceLineNo">705</span>    } catch (IOException e) {<a name="line.705"></a>
+<span class="sourceLineNo">706</span>      LOG.error("ERROR: Was Not able to write regions moved to output file but moved "<a name="line.706"></a>
+<span class="sourceLineNo">707</span>          + movedRegions.size() + " regions", e);<a name="line.707"></a>
+<span class="sourceLineNo">708</span>      throw e;<a name="line.708"></a>
+<span class="sourceLineNo">709</span>    } finally {<a name="line.709"></a>
+<span class="sourceLineNo">710</span>      if (dos != null) {<a name="line.710"></a>
+<span class="sourceLineNo">711</span>        dos.close();<a name="line.711"></a>
+<span class="sourceLineNo">712</span>      }<a name="line.712"></a>
+<span class="sourceLineNo">713</span>      if (fos != null) {<a name="line.713"></a>
+<span class="sourceLineNo">714</span>        fos.close();<a name="line.714"></a>
+<span class="sourceLineNo">715</span>      }<a name="line.715"></a>
+<span class="sourceLineNo">716</span>    }<a name="line.716"></a>
+<span class="sourceLineNo">717</span>  }<a name="line.717"></a>
+<span class="sourceLineNo">718</span><a name="line.718"></a>
+<span class="sourceLineNo">719</span>  /**<a name="line.719"></a>
+<span class="sourceLineNo">720</span>   * Excludes the servername whose hos

<TRUNCATED>

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