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From mi...@apache.org
Subject [47/48] hbase-site git commit: Published site at 4bfeccb87a94cfe232ea8fc9a6f40ff5b8d3b1c5.
Date Fri, 18 Dec 2015 16:43:20 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d917c66a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
index 5952d6a..7c00453 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
@@ -433,654 +433,655 @@
 <span class="sourceLineNo">425</span>   * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.425"></a>
 <span class="sourceLineNo">426</span>   * @param table table to which hfiles should be loaded<a name="line.426"></a>
 <span class="sourceLineNo">427</span>   * @param queue queue which needs to be loaded into the table<a name="line.427"></a>
-<span class="sourceLineNo">428</span>   * @throws IOException If any I/O or network error occurred<a name="line.428"></a>
-<span class="sourceLineNo">429</span>   */<a name="line.429"></a>
-<span class="sourceLineNo">430</span>  public void prepareHFileQueue(Path hfofDir, Table table, Deque&lt;LoadQueueItem&gt; queue,<a name="line.430"></a>
-<span class="sourceLineNo">431</span>      boolean validateHFile) throws IOException {<a name="line.431"></a>
-<span class="sourceLineNo">432</span>    discoverLoadQueue(queue, hfofDir, validateHFile);<a name="line.432"></a>
-<span class="sourceLineNo">433</span>    validateFamiliesInHFiles(table, queue);<a name="line.433"></a>
-<span class="sourceLineNo">434</span>  }<a name="line.434"></a>
-<span class="sourceLineNo">435</span><a name="line.435"></a>
-<span class="sourceLineNo">436</span>  // Initialize a thread pool<a name="line.436"></a>
-<span class="sourceLineNo">437</span>  private ExecutorService createExecutorService() {<a name="line.437"></a>
-<span class="sourceLineNo">438</span>    ThreadFactoryBuilder builder = new ThreadFactoryBuilder();<a name="line.438"></a>
-<span class="sourceLineNo">439</span>    builder.setNameFormat("LoadIncrementalHFiles-%1$d");<a name="line.439"></a>
-<span class="sourceLineNo">440</span>    ExecutorService pool = new ThreadPoolExecutor(nrThreads, nrThreads, 60, TimeUnit.SECONDS,<a name="line.440"></a>
-<span class="sourceLineNo">441</span>        new LinkedBlockingQueue&lt;Runnable&gt;(), builder.build());<a name="line.441"></a>
-<span class="sourceLineNo">442</span>    ((ThreadPoolExecutor) pool).allowCoreThreadTimeOut(true);<a name="line.442"></a>
-<span class="sourceLineNo">443</span>    return pool;<a name="line.443"></a>
-<span class="sourceLineNo">444</span>  }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span>  /**<a name="line.446"></a>
-<span class="sourceLineNo">447</span>   * Checks whether there is any invalid family name in HFiles to be bulk loaded.<a name="line.447"></a>
-<span class="sourceLineNo">448</span>   */<a name="line.448"></a>
-<span class="sourceLineNo">449</span>  private void validateFamiliesInHFiles(Table table, Deque&lt;LoadQueueItem&gt; queue)<a name="line.449"></a>
-<span class="sourceLineNo">450</span>      throws IOException {<a name="line.450"></a>
-<span class="sourceLineNo">451</span>    Collection&lt;HColumnDescriptor&gt; families = table.getTableDescriptor().getFamilies();<a name="line.451"></a>
-<span class="sourceLineNo">452</span>    List&lt;String&gt; familyNames = new ArrayList&lt;String&gt;(families.size());<a name="line.452"></a>
-<span class="sourceLineNo">453</span>    for (HColumnDescriptor family : families) {<a name="line.453"></a>
-<span class="sourceLineNo">454</span>      familyNames.add(family.getNameAsString());<a name="line.454"></a>
-<span class="sourceLineNo">455</span>    }<a name="line.455"></a>
-<span class="sourceLineNo">456</span>    List&lt;String&gt; unmatchedFamilies = new ArrayList&lt;String&gt;();<a name="line.456"></a>
-<span class="sourceLineNo">457</span>    Iterator&lt;LoadQueueItem&gt; queueIter = queue.iterator();<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    while (queueIter.hasNext()) {<a name="line.458"></a>
-<span class="sourceLineNo">459</span>      LoadQueueItem lqi = queueIter.next();<a name="line.459"></a>
-<span class="sourceLineNo">460</span>      String familyNameInHFile = Bytes.toString(lqi.family);<a name="line.460"></a>
-<span class="sourceLineNo">461</span>      if (!familyNames.contains(familyNameInHFile)) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span>        unmatchedFamilies.add(familyNameInHFile);<a name="line.462"></a>
-<span class="sourceLineNo">463</span>      }<a name="line.463"></a>
-<span class="sourceLineNo">464</span>    }<a name="line.464"></a>
-<span class="sourceLineNo">465</span>    if (unmatchedFamilies.size() &gt; 0) {<a name="line.465"></a>
-<span class="sourceLineNo">466</span>      String msg =<a name="line.466"></a>
-<span class="sourceLineNo">467</span>          "Unmatched family names found: unmatched family names in HFiles to be bulkloaded: "<a name="line.467"></a>
-<span class="sourceLineNo">468</span>              + unmatchedFamilies + "; valid family names of table " + table.getName() + " are: "<a name="line.468"></a>
-<span class="sourceLineNo">469</span>              + familyNames;<a name="line.469"></a>
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-<span class="sourceLineNo">475</span>  /**<a name="line.475"></a>
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-<span class="sourceLineNo">477</span>   * 1. {@link LoadIncrementalHFiles#groupOrSplitPhase(Table, ExecutorService, Deque, Pair)} 2.<a name="line.477"></a>
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-<span class="sourceLineNo">479</span>   * LoadIncrementalHFiles#bulkLoadPhase(Table, Connection, ExecutorService, Deque, Multimap)}<a name="line.479"></a>
-<span class="sourceLineNo">480</span>   * @param table Table to which these hfiles should be loaded to<a name="line.480"></a>
-<span class="sourceLineNo">481</span>   * @param conn Connection to use<a name="line.481"></a>
-<span class="sourceLineNo">482</span>   * @param queue {@link LoadQueueItem} has hfiles yet to be loaded<a name="line.482"></a>
-<span class="sourceLineNo">483</span>   * @param startEndKeys starting and ending row keys of the region<a name="line.483"></a>
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-<span class="sourceLineNo">485</span>  public void loadHFileQueue(final Table table, final Connection conn, Deque&lt;LoadQueueItem&gt; queue,<a name="line.485"></a>
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-<span class="sourceLineNo">487</span>    ExecutorService pool = null;<a name="line.487"></a>
-<span class="sourceLineNo">488</span>    try {<a name="line.488"></a>
-<span class="sourceLineNo">489</span>      pool = createExecutorService();<a name="line.489"></a>
-<span class="sourceLineNo">490</span>      Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups =<a name="line.490"></a>
-<span class="sourceLineNo">491</span>          groupOrSplitPhase(table, pool, queue, startEndKeys);<a name="line.491"></a>
-<span class="sourceLineNo">492</span>      bulkLoadPhase(table, conn, pool, queue, regionGroups);<a name="line.492"></a>
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-<span class="sourceLineNo">501</span>   * This takes the LQI's grouped by likely regions and attempts to bulk load<a name="line.501"></a>
-<span class="sourceLineNo">502</span>   * them.  Any failures are re-queued for another pass with the<a name="line.502"></a>
-<span class="sourceLineNo">503</span>   * groupOrSplitPhase.<a name="line.503"></a>
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-<span class="sourceLineNo">507</span>      final Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups) throws IOException {<a name="line.507"></a>
-<span class="sourceLineNo">508</span>    // atomically bulk load the groups.<a name="line.508"></a>
-<span class="sourceLineNo">509</span>    Set&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt; loadingFutures = new HashSet&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt;();<a name="line.509"></a>
-<span class="sourceLineNo">510</span>    for (Entry&lt;ByteBuffer, ? extends Collection&lt;LoadQueueItem&gt;&gt; e: regionGroups.asMap().entrySet()){<a name="line.510"></a>
-<span class="sourceLineNo">511</span>      final byte[] first = e.getKey().array();<a name="line.511"></a>
-<span class="sourceLineNo">512</span>      final Collection&lt;LoadQueueItem&gt; lqis =  e.getValue();<a name="line.512"></a>
-<span class="sourceLineNo">513</span><a name="line.513"></a>
-<span class="sourceLineNo">514</span>      final Callable&lt;List&lt;LoadQueueItem&gt;&gt; call = new Callable&lt;List&lt;LoadQueueItem&gt;&gt;() {<a name="line.514"></a>
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-<span class="sourceLineNo">516</span>        public List&lt;LoadQueueItem&gt; call() throws Exception {<a name="line.516"></a>
-<span class="sourceLineNo">517</span>          List&lt;LoadQueueItem&gt; toRetry =<a name="line.517"></a>
-<span class="sourceLineNo">518</span>              tryAtomicRegionLoad(conn, table.getName(), first, lqis);<a name="line.518"></a>
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-<span class="sourceLineNo">524</span><a name="line.524"></a>
-<span class="sourceLineNo">525</span>    // get all the results.<a name="line.525"></a>
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-<span class="sourceLineNo">528</span>        List&lt;LoadQueueItem&gt; toRetry = future.get();<a name="line.528"></a>
-<span class="sourceLineNo">529</span><a name="line.529"></a>
-<span class="sourceLineNo">530</span>        // LQIs that are requeued to be regrouped.<a name="line.530"></a>
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-<span class="sourceLineNo">532</span><a name="line.532"></a>
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-<span class="sourceLineNo">535</span>        if (t instanceof IOException) {<a name="line.535"></a>
-<span class="sourceLineNo">536</span>          // At this point something unrecoverable has happened.<a name="line.536"></a>
-<span class="sourceLineNo">537</span>          // TODO Implement bulk load recovery<a name="line.537"></a>
-<span class="sourceLineNo">538</span>          throw new IOException("BulkLoad encountered an unrecoverable problem", t);<a name="line.538"></a>
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-<span class="sourceLineNo">548</span><a name="line.548"></a>
-<span class="sourceLineNo">549</span>  private boolean checkHFilesCountPerRegionPerFamily(<a name="line.549"></a>
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-<span class="sourceLineNo">551</span>    for (Entry&lt;ByteBuffer,<a name="line.551"></a>
-<span class="sourceLineNo">552</span>        ? extends Collection&lt;LoadQueueItem&gt;&gt; e: regionGroups.asMap().entrySet()) {<a name="line.552"></a>
-<span class="sourceLineNo">553</span>      final Collection&lt;LoadQueueItem&gt; lqis =  e.getValue();<a name="line.553"></a>
-<span class="sourceLineNo">554</span>      HashMap&lt;byte[], MutableInt&gt; filesMap = new HashMap&lt;byte[], MutableInt&gt;();<a name="line.554"></a>
-<span class="sourceLineNo">555</span>      for (LoadQueueItem lqi: lqis) {<a name="line.555"></a>
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-<span class="sourceLineNo">557</span>        if (count == null) {<a name="line.557"></a>
-<span class="sourceLineNo">558</span>          count = new MutableInt();<a name="line.558"></a>
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-<span class="sourceLineNo">561</span>        count.increment();<a name="line.561"></a>
-<span class="sourceLineNo">562</span>        if (count.intValue() &gt; maxFilesPerRegionPerFamily) {<a name="line.562"></a>
-<span class="sourceLineNo">563</span>          LOG.error("Trying to load more than " + maxFilesPerRegionPerFamily<a name="line.563"></a>
-<span class="sourceLineNo">564</span>            + " hfiles to family " + Bytes.toStringBinary(lqi.family)<a name="line.564"></a>
-<span class="sourceLineNo">565</span>            + " of region with start key "<a name="line.565"></a>
-<span class="sourceLineNo">566</span>            + Bytes.toStringBinary(e.getKey()));<a name="line.566"></a>
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-<span class="sourceLineNo">574</span>  /**<a name="line.574"></a>
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+<span class="sourceLineNo">441</span>    ExecutorService pool = new ThreadPoolExecutor(nrThreads, nrThreads, 60, TimeUnit.SECONDS,<a name="line.441"></a>
+<span class="sourceLineNo">442</span>        new LinkedBlockingQueue&lt;Runnable&gt;(), builder.build());<a name="line.442"></a>
+<span class="sourceLineNo">443</span>    ((ThreadPoolExecutor) pool).allowCoreThreadTimeOut(true);<a name="line.443"></a>
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+<span class="sourceLineNo">446</span><a name="line.446"></a>
+<span class="sourceLineNo">447</span>  /**<a name="line.447"></a>
+<span class="sourceLineNo">448</span>   * Checks whether there is any invalid family name in HFiles to be bulk loaded.<a name="line.448"></a>
+<span class="sourceLineNo">449</span>   */<a name="line.449"></a>
+<span class="sourceLineNo">450</span>  private void validateFamiliesInHFiles(Table table, Deque&lt;LoadQueueItem&gt; queue)<a name="line.450"></a>
+<span class="sourceLineNo">451</span>      throws IOException {<a name="line.451"></a>
+<span class="sourceLineNo">452</span>    Collection&lt;HColumnDescriptor&gt; families = table.getTableDescriptor().getFamilies();<a name="line.452"></a>
+<span class="sourceLineNo">453</span>    List&lt;String&gt; familyNames = new ArrayList&lt;String&gt;(families.size());<a name="line.453"></a>
+<span class="sourceLineNo">454</span>    for (HColumnDescriptor family : families) {<a name="line.454"></a>
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+<span class="sourceLineNo">456</span>    }<a name="line.456"></a>
+<span class="sourceLineNo">457</span>    List&lt;String&gt; unmatchedFamilies = new ArrayList&lt;String&gt;();<a name="line.457"></a>
+<span class="sourceLineNo">458</span>    Iterator&lt;LoadQueueItem&gt; queueIter = queue.iterator();<a name="line.458"></a>
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+<span class="sourceLineNo">460</span>      LoadQueueItem lqi = queueIter.next();<a name="line.460"></a>
+<span class="sourceLineNo">461</span>      String familyNameInHFile = Bytes.toString(lqi.family);<a name="line.461"></a>
+<span class="sourceLineNo">462</span>      if (!familyNames.contains(familyNameInHFile)) {<a name="line.462"></a>
+<span class="sourceLineNo">463</span>        unmatchedFamilies.add(familyNameInHFile);<a name="line.463"></a>
+<span class="sourceLineNo">464</span>      }<a name="line.464"></a>
+<span class="sourceLineNo">465</span>    }<a name="line.465"></a>
+<span class="sourceLineNo">466</span>    if (unmatchedFamilies.size() &gt; 0) {<a name="line.466"></a>
+<span class="sourceLineNo">467</span>      String msg =<a name="line.467"></a>
+<span class="sourceLineNo">468</span>          "Unmatched family names found: unmatched family names in HFiles to be bulkloaded: "<a name="line.468"></a>
+<span class="sourceLineNo">469</span>              + unmatchedFamilies + "; valid family names of table " + table.getName() + " are: "<a name="line.469"></a>
+<span class="sourceLineNo">470</span>              + familyNames;<a name="line.470"></a>
+<span class="sourceLineNo">471</span>      LOG.error(msg);<a name="line.471"></a>
+<span class="sourceLineNo">472</span>      throw new IOException(msg);<a name="line.472"></a>
+<span class="sourceLineNo">473</span>    }<a name="line.473"></a>
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+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span>  /**<a name="line.476"></a>
+<span class="sourceLineNo">477</span>   * Used by the replication sink to load the hfiles from the source cluster. It does the following,<a name="line.477"></a>
+<span class="sourceLineNo">478</span>   * 1. {@link LoadIncrementalHFiles#groupOrSplitPhase(Table, ExecutorService, Deque, Pair)} 2.<a name="line.478"></a>
+<span class="sourceLineNo">479</span>   * {@link<a name="line.479"></a>
+<span class="sourceLineNo">480</span>   * LoadIncrementalHFiles#bulkLoadPhase(Table, Connection, ExecutorService, Deque, Multimap)}<a name="line.480"></a>
+<span class="sourceLineNo">481</span>   * @param table Table to which these hfiles should be loaded to<a name="line.481"></a>
+<span class="sourceLineNo">482</span>   * @param conn Connection to use<a name="line.482"></a>
+<span class="sourceLineNo">483</span>   * @param queue {@link LoadQueueItem} has hfiles yet to be loaded<a name="line.483"></a>
+<span class="sourceLineNo">484</span>   * @param startEndKeys starting and ending row keys of the region<a name="line.484"></a>
+<span class="sourceLineNo">485</span>   */<a name="line.485"></a>
+<span class="sourceLineNo">486</span>  public void loadHFileQueue(final Table table, final Connection conn, Deque&lt;LoadQueueItem&gt; queue,<a name="line.486"></a>
+<span class="sourceLineNo">487</span>      Pair&lt;byte[][], byte[][]&gt; startEndKeys) throws IOException {<a name="line.487"></a>
+<span class="sourceLineNo">488</span>    ExecutorService pool = null;<a name="line.488"></a>
+<span class="sourceLineNo">489</span>    try {<a name="line.489"></a>
+<span class="sourceLineNo">490</span>      pool = createExecutorService();<a name="line.490"></a>
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+<span class="sourceLineNo">492</span>          groupOrSplitPhase(table, pool, queue, startEndKeys);<a name="line.492"></a>
+<span class="sourceLineNo">493</span>      bulkLoadPhase(table, conn, pool, queue, regionGroups);<a name="line.493"></a>
+<span class="sourceLineNo">494</span>    } finally {<a name="line.494"></a>
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+<span class="sourceLineNo">496</span>        pool.shutdown();<a name="line.496"></a>
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+<span class="sourceLineNo">499</span>  }<a name="line.499"></a>
+<span class="sourceLineNo">500</span><a name="line.500"></a>
+<span class="sourceLineNo">501</span>  /**<a name="line.501"></a>
+<span class="sourceLineNo">502</span>   * This takes the LQI's grouped by likely regions and attempts to bulk load<a name="line.502"></a>
+<span class="sourceLineNo">503</span>   * them.  Any failures are re-queued for another pass with the<a name="line.503"></a>
+<span class="sourceLineNo">504</span>   * groupOrSplitPhase.<a name="line.504"></a>
+<span class="sourceLineNo">505</span>   */<a name="line.505"></a>
+<span class="sourceLineNo">506</span>  protected void bulkLoadPhase(final Table table, final Connection conn,<a name="line.506"></a>
+<span class="sourceLineNo">507</span>      ExecutorService pool, Deque&lt;LoadQueueItem&gt; queue,<a name="line.507"></a>
+<span class="sourceLineNo">508</span>      final Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups) throws IOException {<a name="line.508"></a>
+<span class="sourceLineNo">509</span>    // atomically bulk load the groups.<a name="line.509"></a>
+<span class="sourceLineNo">510</span>    Set&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt; loadingFutures = new HashSet&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt;();<a name="line.510"></a>
+<span class="sourceLineNo">511</span>    for (Entry&lt;ByteBuffer, ? extends Collection&lt;LoadQueueItem&gt;&gt; e: regionGroups.asMap().entrySet()){<a name="line.511"></a>
+<span class="sourceLineNo">512</span>      final byte[] first = e.getKey().array();<a name="line.512"></a>
+<span class="sourceLineNo">513</span>      final Collection&lt;LoadQueueItem&gt; lqis =  e.getValue();<a name="line.513"></a>
+<span class="sourceLineNo">514</span><a name="line.514"></a>
+<span class="sourceLineNo">515</span>      final Callable&lt;List&lt;LoadQueueItem&gt;&gt; call = new Callable&lt;List&lt;LoadQueueItem&gt;&gt;() {<a name="line.515"></a>
+<span class="sourceLineNo">516</span>        @Override<a name="line.516"></a>
+<span class="sourceLineNo">517</span>        public List&lt;LoadQueueItem&gt; call() throws Exception {<a name="line.517"></a>
+<span class="sourceLineNo">518</span>          List&lt;LoadQueueItem&gt; toRetry =<a name="line.518"></a>
+<span class="sourceLineNo">519</span>              tryAtomicRegionLoad(conn, table.getName(), first, lqis);<a name="line.519"></a>
+<span class="sourceLineNo">520</span>          return toRetry;<a name="line.520"></a>
+<span class="sourceLineNo">521</span>        }<a name="line.521"></a>
+<span class="sourceLineNo">522</span>      };<a name="line.522"></a>
+<span class="sourceLineNo">523</span>      loadingFutures.add(pool.submit(call));<a name="line.523"></a>
+<span class="sourceLineNo">524</span>    }<a name="line.524"></a>
+<span class="sourceLineNo">525</span><a name="line.525"></a>
+<span class="sourceLineNo">526</span>    // get all the results.<a name="line.526"></a>
+<span class="sourceLineNo">527</span>    for (Future&lt;List&lt;LoadQueueItem&gt;&gt; future : loadingFutures) {<a name="line.527"></a>
+<span class="sourceLineNo">528</span>      try {<a name="line.528"></a>
+<span class="sourceLineNo">529</span>        List&lt;LoadQueueItem&gt; toRetry = future.get();<a name="line.529"></a>
+<span class="sourceLineNo">530</span><a name="line.530"></a>
+<span class="sourceLineNo">531</span>        // LQIs that are requeued to be regrouped.<a name="line.531"></a>
+<span class="sourceLineNo">532</span>        queue.addAll(toRetry);<a name="line.532"></a>
+<span class="sourceLineNo">533</span><a name="line.533"></a>
+<span class="sourceLineNo">534</span>      } catch (ExecutionException e1) {<a name="line.534"></a>
+<span class="sourceLineNo">535</span>        Throwable t = e1.getCause();<a name="line.535"></a>
+<span class="sourceLineNo">536</span>        if (t instanceof IOException) {<a name="line.536"></a>
+<span class="sourceLineNo">537</span>          // At this point something unrecoverable has happened.<a name="line.537"></a>
+<span class="sourceLineNo">538</span>          // TODO Implement bulk load recovery<a name="line.538"></a>
+<span class="sourceLineNo">539</span>          throw new IOException("BulkLoad encountered an unrecoverable problem", t);<a name="line.539"></a>
+<span class="sourceLineNo">540</span>        }<a name="line.540"></a>
+<span class="sourceLineNo">541</span>        LOG.error("Unexpected execution exception during bulk load", e1);<a name="line.541"></a>
+<span class="sourceLineNo">542</span>        throw new IllegalStateException(t);<a name="line.542"></a>
+<span class="sourceLineNo">543</span>      } catch (InterruptedException e1) {<a name="line.543"></a>
+<span class="sourceLineNo">544</span>        LOG.error("Unexpected interrupted exception during bulk load", e1);<a name="line.544"></a>
+<span class="sourceLineNo">545</span>        throw (InterruptedIOException)new InterruptedIOException().initCause(e1);<a name="line.545"></a>
+<span class="sourceLineNo">546</span>      }<a name="line.546"></a>
+<span class="sourceLineNo">547</span>    }<a name="line.547"></a>
+<span class="sourceLineNo">548</span>  }<a name="line.548"></a>
+<span class="sourceLineNo">549</span><a name="line.549"></a>
+<span class="sourceLineNo">550</span>  private boolean checkHFilesCountPerRegionPerFamily(<a name="line.550"></a>
+<span class="sourceLineNo">551</span>      final Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups) {<a name="line.551"></a>
+<span class="sourceLineNo">552</span>    for (Entry&lt;ByteBuffer,<a name="line.552"></a>
+<span class="sourceLineNo">553</span>        ? extends Collection&lt;LoadQueueItem&gt;&gt; e: regionGroups.asMap().entrySet()) {<a name="line.553"></a>
+<span class="sourceLineNo">554</span>      final Collection&lt;LoadQueueItem&gt; lqis =  e.getValue();<a name="line.554"></a>
+<span class="sourceLineNo">555</span>      HashMap&lt;byte[], MutableInt&gt; filesMap = new HashMap&lt;byte[], MutableInt&gt;();<a name="line.555"></a>
+<span class="sourceLineNo">556</span>      for (LoadQueueItem lqi: lqis) {<a name="line.556"></a>
+<span class="sourceLineNo">557</span>        MutableInt count = filesMap.get(lqi.family);<a name="line.557"></a>
+<span class="sourceLineNo">558</span>        if (count == null) {<a name="line.558"></a>
+<span class="sourceLineNo">559</span>          count = new MutableInt();<a name="line.559"></a>
+<span class="sourceLineNo">560</span>          filesMap.put(lqi.family, count);<a name="line.560"></a>
+<span class="sourceLineNo">561</span>        }<a name="line.561"></a>
+<span class="sourceLineNo">562</span>        count.increment();<a name="line.562"></a>
+<span class="sourceLineNo">563</span>        if (count.intValue() &gt; maxFilesPerRegionPerFamily) {<a name="line.563"></a>
+<span class="sourceLineNo">564</span>          LOG.error("Trying to load more than " + maxFilesPerRegionPerFamily<a name="line.564"></a>
+<span class="sourceLineNo">565</span>            + " hfiles to family " + Bytes.toStringBinary(lqi.family)<a name="line.565"></a>
+<span class="sourceLineNo">566</span>            + " of region with start key "<a name="line.566"></a>
+<span class="sourceLineNo">567</span>            + Bytes.toStringBinary(e.getKey()));<a name="line.567"></a>
+<span class="sourceLineNo">568</span>          return false;<a name="line.568"></a>
+<span class="sourceLineNo">569</span>        }<a name="line.569"></a>
+<span class="sourceLineNo">570</span>      }<a name="line.570"></a>
+<span class="sourceLineNo">571</span>    }<a name="line.571"></a>
+<span class="sourceLineNo">572</span>    return true;<a name="line.572"></a>
+<span class="sourceLineNo">573</span>  }<a name="line.573"></a>
+<span class="sourceLineNo">574</span><a name="line.574"></a>
+<span class="sourceLineNo">575</span>  /**<a name="line.575"></a>
+<span class="sourceLineNo">576</span>   * @return A map that groups LQI by likely bulk load region targets.<a name="line.576"></a>
+<span class="sourceLineNo">577</span>   */<a name="line.577"></a>
+<span class="sourceLineNo">578</span>  private Multimap&lt;ByteBuffer, LoadQueueItem&gt; groupOrSplitPhase(final Table table,<a name="line.578"></a>
+<span class="sourceLineNo">579</span>      ExecutorService pool, Deque&lt;LoadQueueItem&gt; queue,<a name="line.579"></a>
+<span class="sourceLineNo">580</span>      final Pair&lt;byte[][], byte[][]&gt; startEndKeys) throws IOException {<a name="line.580"></a>
+<span class="sourceLineNo">581</span>    // &lt;region start key, LQI&gt; need synchronized only within this scope of this<a name="line.581"></a>
+<span class="sourceLineNo">582</span>    // phase because of the puts that happen in futures.<a name="line.582"></a>
+<span class="sourceLineNo">583</span>    Multimap&lt;ByteBuffer, LoadQueueItem&gt; rgs = HashMultimap.create();<a name="line.583"></a>
+<span class="sourceLineNo">584</span>    final Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups = Multimaps.synchronizedMultimap(rgs);<a name="line.584"></a>
+<span class="sourceLineNo">585</span><a name="line.585"></a>
+<span class="sourceLineNo">586</span>    // drain LQIs and figure out bulk load groups<a name="line.586"></a>
+<span class="sourceLineNo">587</span>    Set&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt; splittingFutures = new HashSet&lt;Future&lt;List&lt;LoadQueueItem&gt;&gt;&gt;();<a name="line.587"></a>
+<span class="sourceLineNo">588</span>    while (!queue.isEmpty()) {<a name="line.588"></a>
+<span class="sourceLineNo">589</span>      final LoadQueueItem item = queue.remove();<a name="line.589"></a>
+<span class="sourceLineNo">590</span><a name="line.590"></a>
+<span class="sourceLineNo">591</span>      final Callable&lt;List&lt;LoadQueueItem&gt;&gt; call = new Callable&lt;List&lt;LoadQueueItem&gt;&gt;() {<a name="line.591"></a>
+<span class="sourceLineNo">592</span>        @Override<a name="line.592"></a>
+<span class="sourceLineNo">593</span>        public List&lt;LoadQueueItem&gt; call() throws Exception {<a name="line.593"></a>
+<span class="sourceLineNo">594</span>          List&lt;LoadQueueItem&gt; splits = groupOrSplit(regionGroups, item, table, startEndKeys);<a name="line.594"></a>
+<span class="sourceLineNo">595</span>          return splits;<a name="line.595"></a>
+<span class="sourceLineNo">596</span>        }<a name="line.596"></a>
+<span class="sourceLineNo">597</span>      };<a name="line.597"></a>
+<span class="sourceLineNo">598</span>      splittingFutures.add(pool.submit(call));<a name="line.598"></a>
+<span class="sourceLineNo">599</span>    }<a name="line.599"></a>
+<span class="sourceLineNo">600</span>    // get all the results.  All grouping and splitting must finish before<a name="line.600"></a>
+<span class="sourceLineNo">601</span>    // we can attempt the atomic loads.<a name="line.601"></a>
+<span class="sourceLineNo">602</span>    for (Future&lt;List&lt;LoadQueueItem&gt;&gt; lqis : splittingFutures) {<a name="line.602"></a>
+<span class="sourceLineNo">603</span>      try {<a name="line.603"></a>
+<span class="sourceLineNo">604</span>        List&lt;LoadQueueItem&gt; splits = lqis.get();<a name="line.604"></a>
+<span class="sourceLineNo">605</span>        if (splits != null) {<a name="line.605"></a>
+<span class="sourceLineNo">606</span>          queue.addAll(splits);<a name="line.606"></a>
+<span class="sourceLineNo">607</span>        }<a name="line.607"></a>
+<span class="sourceLineNo">608</span>      } catch (ExecutionException e1) {<a name="line.608"></a>
+<span class="sourceLineNo">609</span>        Throwable t = e1.getCause();<a name="line.609"></a>
+<span class="sourceLineNo">610</span>        if (t instanceof IOException) {<a name="line.610"></a>
+<span class="sourceLineNo">611</span>          LOG.error("IOException during splitting", e1);<a name="line.611"></a>
+<span class="sourceLineNo">612</span>          throw (IOException)t; // would have been thrown if not parallelized,<a name="line.612"></a>
+<span class="sourceLineNo">613</span>        }<a name="line.613"></a>
+<span class="sourceLineNo">614</span>        LOG.error("Unexpected execution exception during splitting", e1);<a name="line.614"></a>
+<span class="sourceLineNo">615</span>        throw new IllegalStateException(t);<a name="line.615"></a>
+<span class="sourceLineNo">616</span>      } catch (InterruptedException e1) {<a name="line.616"></a>
+<span class="sourceLineNo">617</span>        LOG.error("Unexpected interrupted exception during splitting", e1);<a name="line.617"></a>
+<span class="sourceLineNo">618</span>        throw (InterruptedIOException)new InterruptedIOException().initCause(e1);<a name="line.618"></a>
+<span class="sourceLineNo">619</span>      }<a name="line.619"></a>
+<span class="sourceLineNo">620</span>    }<a name="line.620"></a>
+<span class="sourceLineNo">621</span>    return regionGroups;<a name="line.621"></a>
+<span class="sourceLineNo">622</span>  }<a name="line.622"></a>
+<span class="sourceLineNo">623</span><a name="line.623"></a>
+<span class="sourceLineNo">624</span>  // unique file name for the table<a name="line.624"></a>
+<span class="sourceLineNo">625</span>  private String getUniqueName() {<a name="line.625"></a>
+<span class="sourceLineNo">626</span>    return UUID.randomUUID().toString().replaceAll("-", "");<a name="line.626"></a>
+<span class="sourceLineNo">627</span>  }<a name="line.627"></a>
+<span class="sourceLineNo">628</span><a name="line.628"></a>
+<span class="sourceLineNo">629</span>  protected List&lt;LoadQueueItem&gt; splitStoreFile(final LoadQueueItem item,<a name="line.629"></a>
+<span class="sourceLineNo">630</span>      final Table table, byte[] startKey,<a name="line.630"></a>
+<span class="sourceLineNo">631</span>      byte[] splitKey) throws IOException {<a name="line.631"></a>
+<span class="sourceLineNo">632</span>    final Path hfilePath = item.hfilePath;<a name="line.632"></a>
+<span class="sourceLineNo">633</span><a name="line.633"></a>
+<span class="sourceLineNo">634</span>    // We use a '_' prefix which is ignored when walking directory trees<a name="line.634"></a>
+<span class="sourceLineNo">635</span>    // above.<a name="line.635"></a>
+<span class="sourceLineNo">636</span>    final String TMP_DIR = "_tmp";<a nam

<TRUNCATED>

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