http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f17356a7/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.LoadQueueItem.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.LoadQueueItem.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.LoadQueueItem.html index 6d25806..55fa666 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.LoadQueueItem.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.LoadQueueItem.html @@ -370,12 +370,12 @@ <span class="sourceLineNo">362</span> * @param regionLocator region locator<a name="line.362"></a> <span class="sourceLineNo">363</span> * @param silence true to ignore unmatched column families<a name="line.363"></a> <span class="sourceLineNo">364</span> * @param copyFile always copy hfiles if true<a name="line.364"></a> -<span class="sourceLineNo">365</span> * @return List of filenames which were not found<a name="line.365"></a> +<span class="sourceLineNo">365</span> * @return Map of LoadQueueItem to region<a name="line.365"></a> <span class="sourceLineNo">366</span> * @throws TableNotFoundException if table does not yet exist<a name="line.366"></a> <span class="sourceLineNo">367</span> */<a name="line.367"></a> -<span class="sourceLineNo">368</span> public List<String> doBulkLoad(Map<byte[], List<Path>> map, final Admin admin, Table table,<a name="line.368"></a> -<span class="sourceLineNo">369</span> RegionLocator regionLocator, boolean silence, boolean copyFile)<a name="line.369"></a> -<span class="sourceLineNo">370</span> throws TableNotFoundException, IOException {<a name="line.370"></a> +<span class="sourceLineNo">368</span> public Map<LoadQueueItem, ByteBuffer> doBulkLoad(Map<byte[], List<Path>> map, final Admin admin,<a name="line.368"></a> +<span class="sourceLineNo">369</span> Table table, RegionLocator regionLocator, boolean silence, boolean copyFile)<a name="line.369"></a> +<span class="sourceLineNo">370</span> throws TableNotFoundException, IOException {<a name="line.370"></a> <span class="sourceLineNo">371</span> if (!admin.isTableAvailable(regionLocator.getName())) {<a name="line.371"></a> <span class="sourceLineNo">372</span> throw new TableNotFoundException("Table " + table.getName() + " is not currently available.");<a name="line.372"></a> <span class="sourceLineNo">373</span> }<a name="line.373"></a> @@ -457,8 +457,8 @@ <span class="sourceLineNo">449</span> }<a name="line.449"></a> <span class="sourceLineNo">450</span> }<a name="line.450"></a> <span class="sourceLineNo">451</span><a name="line.451"></a> -<span class="sourceLineNo">452</span> List<String> performBulkLoad(final Admin admin, Table table, RegionLocator regionLocator,<a name="line.452"></a> -<span class="sourceLineNo">453</span> Deque<LoadQueueItem> queue, ExecutorService pool,<a name="line.453"></a> +<span class="sourceLineNo">452</span> Map<LoadQueueItem, ByteBuffer> performBulkLoad(final Admin admin, Table table,<a name="line.452"></a> +<span class="sourceLineNo">453</span> RegionLocator regionLocator, Deque<LoadQueueItem> queue, ExecutorService pool,<a name="line.453"></a> <span class="sourceLineNo">454</span> SecureBulkLoadClient secureClient, boolean copyFile) throws IOException {<a name="line.454"></a> <span class="sourceLineNo">455</span> int count = 0;<a name="line.455"></a> <span class="sourceLineNo">456</span><a name="line.456"></a> @@ -472,802 +472,815 @@ <span class="sourceLineNo">464</span> // fs is the source filesystem<a name="line.464"></a> <span class="sourceLineNo">465</span> fsDelegationToken.acquireDelegationToken(fs);<a name="line.465"></a> <span class="sourceLineNo">466</span> bulkToken = secureClient.prepareBulkLoad(admin.getConnection());<a name="line.466"></a> -<span class="sourceLineNo">467</span> Pair<Multimap<ByteBuffer, LoadQueueItem>, List<String>> pair = null;<a name="line.467"></a> +<span class="sourceLineNo">467</span> Pair<Multimap<ByteBuffer, LoadQueueItem>, Set<String>> pair = null;<a name="line.467"></a> <span class="sourceLineNo">468</span><a name="line.468"></a> -<span class="sourceLineNo">469</span> // Assumes that region splits can happen while this occurs.<a name="line.469"></a> -<span class="sourceLineNo">470</span> while (!queue.isEmpty()) {<a name="line.470"></a> -<span class="sourceLineNo">471</span> // need to reload split keys each iteration.<a name="line.471"></a> -<span class="sourceLineNo">472</span> final Pair<byte[][], byte[][]> startEndKeys = regionLocator.getStartEndKeys();<a name="line.472"></a> -<span class="sourceLineNo">473</span> if (count != 0) {<a name="line.473"></a> -<span class="sourceLineNo">474</span> LOG.info("Split occured while grouping HFiles, retry attempt " +<a name="line.474"></a> -<span class="sourceLineNo">475</span> + count + " with " + queue.size() + " files remaining to group or split");<a name="line.475"></a> -<span class="sourceLineNo">476</span> }<a name="line.476"></a> -<span class="sourceLineNo">477</span><a name="line.477"></a> -<span class="sourceLineNo">478</span> int maxRetries = getConf().getInt(HConstants.BULKLOAD_MAX_RETRIES_NUMBER, 10);<a name="line.478"></a> -<span class="sourceLineNo">479</span> maxRetries = Math.max(maxRetries, startEndKeys.getFirst().length + 1);<a name="line.479"></a> -<span class="sourceLineNo">480</span> if (maxRetries != 0 && count >= maxRetries) {<a name="line.480"></a> -<span class="sourceLineNo">481</span> throw new IOException("Retry attempted " + count +<a name="line.481"></a> -<span class="sourceLineNo">482</span> " times without completing, bailing out");<a name="line.482"></a> -<span class="sourceLineNo">483</span> }<a name="line.483"></a> -<span class="sourceLineNo">484</span> count++;<a name="line.484"></a> -<span class="sourceLineNo">485</span><a name="line.485"></a> -<span class="sourceLineNo">486</span> // Using ByteBuffer for byte[] equality semantics<a name="line.486"></a> -<span class="sourceLineNo">487</span> pair = groupOrSplitPhase(table, pool, queue, startEndKeys);<a name="line.487"></a> -<span class="sourceLineNo">488</span> Multimap<ByteBuffer, LoadQueueItem> regionGroups = pair.getFirst();<a name="line.488"></a> -<span class="sourceLineNo">489</span><a name="line.489"></a> -<span class="sourceLineNo">490</span> if (!checkHFilesCountPerRegionPerFamily(regionGroups)) {<a name="line.490"></a> -<span class="sourceLineNo">491</span> // Error is logged inside checkHFilesCountPerRegionPerFamily.<a name="line.491"></a> -<span class="sourceLineNo">492</span> throw new IOException("Trying to load more than " + maxFilesPerRegionPerFamily<a name="line.492"></a> -<span class="sourceLineNo">493</span> + " hfiles to one family of one region");<a name="line.493"></a> -<span class="sourceLineNo">494</span> }<a name="line.494"></a> -<span class="sourceLineNo">495</span><a name="line.495"></a> -<span class="sourceLineNo">496</span> bulkLoadPhase(table, admin.getConnection(), pool, queue, regionGroups, copyFile);<a name="line.496"></a> -<span class="sourceLineNo">497</span><a name="line.497"></a> -<span class="sourceLineNo">498</span> // NOTE: The next iteration's split / group could happen in parallel to<a name="line.498"></a> -<span class="sourceLineNo">499</span> // atomic bulkloads assuming that there are splits and no merges, and<a name="line.499"></a> -<span class="sourceLineNo">500</span> // that we can atomically pull out the groups we want to retry.<a name="line.500"></a> -<span class="sourceLineNo">501</span> }<a name="line.501"></a> -<span class="sourceLineNo">502</span><a name="line.502"></a> -<span class="sourceLineNo">503</span> if (!queue.isEmpty()) {<a name="line.503"></a> -<span class="sourceLineNo">504</span> throw new RuntimeException("Bulk load aborted with some files not yet loaded."<a name="line.504"></a> -<span class="sourceLineNo">505</span> + "Please check log for more details.");<a name="line.505"></a> -<span class="sourceLineNo">506</span> }<a name="line.506"></a> -<span class="sourceLineNo">507</span> if (pair == null) return null;<a name="line.507"></a> -<span class="sourceLineNo">508</span> return pair.getSecond();<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span><a name="line.510"></a> -<span class="sourceLineNo">511</span> /**<a name="line.511"></a> -<span class="sourceLineNo">512</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.512"></a> -<span class="sourceLineNo">513</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.513"></a> -<span class="sourceLineNo">514</span> * families in it.<a name="line.514"></a> -<span class="sourceLineNo">515</span> * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.515"></a> -<span class="sourceLineNo">516</span> * @param table table to which hfiles should be loaded<a name="line.516"></a> -<span class="sourceLineNo">517</span> * @param queue queue which needs to be loaded into the table<a name="line.517"></a> -<span class="sourceLineNo">518</span> * @param validateHFile if true hfiles will be validated for its format<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @throws IOException If any I/O or network error occurred<a name="line.519"></a> -<span class="sourceLineNo">520</span> */<a name="line.520"></a> -<span class="sourceLineNo">521</span> public void prepareHFileQueue(Path hfilesDir, Table table, Deque<LoadQueueItem> queue,<a name="line.521"></a> -<span class="sourceLineNo">522</span> boolean validateHFile) throws IOException {<a name="line.522"></a> -<span class="sourceLineNo">523</span> prepareHFileQueue(hfilesDir, table, queue, 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name="line.532"></a> -<span class="sourceLineNo">533</span> * @param validateHFile if true hfiles will be validated for its format<a name="line.533"></a> -<span class="sourceLineNo">534</span> * @param silence true to ignore unmatched column families<a name="line.534"></a> -<span class="sourceLineNo">535</span> * @throws IOException If any I/O or network error occurred<a name="line.535"></a> -<span class="sourceLineNo">536</span> */<a name="line.536"></a> -<span class="sourceLineNo">537</span> public void prepareHFileQueue(Path hfilesDir, Table table,<a name="line.537"></a> -<span class="sourceLineNo">538</span> Deque<LoadQueueItem> queue, boolean validateHFile, boolean silence) throws IOException {<a name="line.538"></a> -<span class="sourceLineNo">539</span> discoverLoadQueue(queue, hfilesDir, validateHFile);<a name="line.539"></a> -<span class="sourceLineNo">540</span> validateFamiliesInHFiles(table, queue, silence);<a name="line.540"></a> -<span class="sourceLineNo">541</span> }<a name="line.541"></a> -<span class="sourceLineNo">542</span><a name="line.542"></a> -<span class="sourceLineNo">543</span> /**<a name="line.543"></a> -<span class="sourceLineNo">544</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.544"></a> -<span class="sourceLineNo">545</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.545"></a> -<span class="sourceLineNo">546</span> * families in it.<a name="line.546"></a> -<span class="sourceLineNo">547</span> * @param map map of family to List of hfiles<a name="line.547"></a> -<span class="sourceLineNo">548</span> * @param table table to which hfiles should be loaded<a name="line.548"></a> -<span class="sourceLineNo">549</span> * @param queue queue which needs to be loaded into the table<a name="line.549"></a> -<span class="sourceLineNo">550</span> * @param silence true to ignore unmatched column families<a name="line.550"></a> -<span class="sourceLineNo">551</span> * @throws IOException If any I/O or network error occurred<a name="line.551"></a> -<span class="sourceLineNo">552</span> */<a name="line.552"></a> -<span class="sourceLineNo">553</span> public void prepareHFileQueue(Map<byte[], List<Path>> map, Table table,<a name="line.553"></a> -<span class="sourceLineNo">554</span> Deque<LoadQueueItem> queue, boolean silence) throws IOException {<a name="line.554"></a> -<span class="sourceLineNo">555</span> populateLoadQueue(queue, map);<a name="line.555"></a> -<span class="sourceLineNo">556</span> validateFamiliesInHFiles(table, queue, silence);<a name="line.556"></a> -<span class="sourceLineNo">557</span> }<a name="line.557"></a> -<span class="sourceLineNo">558</span><a name="line.558"></a> -<span class="sourceLineNo">559</span> // Initialize a thread pool<a name="line.559"></a> -<span class="sourceLineNo">560</span> private ExecutorService createExecutorService() {<a name="line.560"></a> -<span class="sourceLineNo">561</span> ThreadFactoryBuilder builder = new ThreadFactoryBuilder();<a name="line.561"></a> -<span class="sourceLineNo">562</span> builder.setNameFormat("LoadIncrementalHFiles-%1$d");<a name="line.562"></a> -<span class="sourceLineNo">563</span> ExecutorService pool = new ThreadPoolExecutor(nrThreads, nrThreads, 60, TimeUnit.SECONDS,<a name="line.563"></a> -<span class="sourceLineNo">564</span> new LinkedBlockingQueue<Runnable>(), builder.build());<a name="line.564"></a> -<span class="sourceLineNo">565</span> ((ThreadPoolExecutor) pool).allowCoreThreadTimeOut(true);<a name="line.565"></a> -<span class="sourceLineNo">566</span> return pool;<a name="line.566"></a> -<span class="sourceLineNo">567</span> }<a name="line.567"></a> -<span class="sourceLineNo">568</span><a name="line.568"></a> -<span class="sourceLineNo">569</span> /**<a name="line.569"></a> -<span class="sourceLineNo">570</span> * Checks whether there is any invalid family name in HFiles to be 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class="sourceLineNo">590</span> + unmatchedFamilies + "; valid family names of table " + table.getName() + " are: "<a name="line.590"></a> -<span class="sourceLineNo">591</span> + familyNames;<a name="line.591"></a> -<span class="sourceLineNo">592</span> LOG.error(msg);<a name="line.592"></a> -<span class="sourceLineNo">593</span> if (!silence) throw new IOException(msg);<a name="line.593"></a> -<span class="sourceLineNo">594</span> }<a name="line.594"></a> -<span class="sourceLineNo">595</span> }<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> * Used by the replication sink to load the hfiles from the source cluster. 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class="sourceLineNo">674</span> } catch (ExecutionException e1) {<a name="line.674"></a> -<span class="sourceLineNo">675</span> Throwable t = e1.getCause();<a name="line.675"></a> -<span class="sourceLineNo">676</span> if (t instanceof IOException) {<a name="line.676"></a> -<span class="sourceLineNo">677</span> // At this point something unrecoverable has happened.<a name="line.677"></a> -<span class="sourceLineNo">678</span> // TODO Implement bulk load recovery<a name="line.678"></a> -<span class="sourceLineNo">679</span> throw new IOException("BulkLoad encountered an unrecoverable problem", t);<a name="line.679"></a> -<span class="sourceLineNo">680</span> }<a name="line.680"></a> -<span class="sourceLineNo">681</span> LOG.error("Unexpected execution exception during bulk load", e1);<a name="line.681"></a> -<span class="sourceLineNo">682</span> throw new IllegalStateException(t);<a name="line.682"></a> -<span class="sourceLineNo">683</span> } catch (InterruptedException e1) {<a 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Splitting...");<a name="line.793"></a> -<span class="sourceLineNo">794</span><a name="line.794"></a> -<span class="sourceLineNo">795</span> String uniqueName = getUniqueName();<a name="line.795"></a> -<span class="sourceLineNo">796</span> HColumnDescriptor familyDesc = table.getTableDescriptor().getFamily(item.family);<a name="line.796"></a> -<span class="sourceLineNo">797</span><a name="line.797"></a> -<span class="sourceLineNo">798</span> Path botOut = new Path(tmpDir, uniqueName + ".bottom");<a name="line.798"></a> -<span class="sourceLineNo">799</span> Path topOut = new Path(tmpDir, uniqueName + ".top");<a name="line.799"></a> -<span class="sourceLineNo">800</span> splitStoreFile(getConf(), hfilePath, familyDesc, splitKey, botOut, topOut);<a name="line.800"></a> -<span class="sourceLineNo">801</span><a name="line.801"></a> -<span class="sourceLineNo">802</span> FileSystem fs = tmpDir.getFileSystem(getConf());<a name="line.802"></a> -<span class="sourceLineNo">803</span> fs.setPermission(tmpDir, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.803"></a> -<span class="sourceLineNo">804</span> fs.setPermission(botOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.804"></a> -<span class="sourceLineNo">805</span> fs.setPermission(topOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.805"></a> +<span class="sourceLineNo">469</span> Map<LoadQueueItem, ByteBuffer> item2RegionMap = new HashMap<>();<a name="line.469"></a> +<span class="sourceLineNo">470</span> // Assumes that region splits can happen while this occurs.<a name="line.470"></a> +<span class="sourceLineNo">471</span> while (!queue.isEmpty()) {<a name="line.471"></a> +<span class="sourceLineNo">472</span> // need to reload split keys each iteration.<a name="line.472"></a> +<span class="sourceLineNo">473</span> final Pair<byte[][], byte[][]> startEndKeys = regionLocator.getStartEndKeys();<a name="line.473"></a> +<span class="sourceLineNo">474</span> if (count != 0) {<a name="line.474"></a> +<span class="sourceLineNo">475</span> LOG.info("Split occured while grouping HFiles, retry attempt " +<a name="line.475"></a> +<span class="sourceLineNo">476</span> + count + " with " + queue.size() + " files remaining to group or split");<a name="line.476"></a> +<span class="sourceLineNo">477</span> }<a name="line.477"></a> +<span class="sourceLineNo">478</span><a name="line.478"></a> +<span class="sourceLineNo">479</span> int maxRetries = getConf().getInt(HConstants.BULKLOAD_MAX_RETRIES_NUMBER, 10);<a name="line.479"></a> +<span class="sourceLineNo">480</span> maxRetries = Math.max(maxRetries, startEndKeys.getFirst().length + 1);<a name="line.480"></a> +<span class="sourceLineNo">481</span> if (maxRetries != 0 && count >= maxRetries) {<a name="line.481"></a> +<span class="sourceLineNo">482</span> throw new IOException("Retry attempted " + count +<a name="line.482"></a> +<span class="sourceLineNo">483</span> " times without completing, bailing out");<a name="line.483"></a> +<span class="sourceLineNo">484</span> }<a name="line.484"></a> +<span class="sourceLineNo">485</span> count++;<a name="line.485"></a> +<span class="sourceLineNo">486</span><a name="line.486"></a> +<span class="sourceLineNo">487</span> // Using ByteBuffer for byte[] equality semantics<a name="line.487"></a> +<span class="sourceLineNo">488</span> pair = groupOrSplitPhase(table, pool, queue, startEndKeys);<a name="line.488"></a> +<span class="sourceLineNo">489</span> Multimap<ByteBuffer, LoadQueueItem> regionGroups = pair.getFirst();<a name="line.489"></a> +<span class="sourceLineNo">490</span><a name="line.490"></a> +<span class="sourceLineNo">491</span> if (!checkHFilesCountPerRegionPerFamily(regionGroups)) {<a name="line.491"></a> +<span class="sourceLineNo">492</span> // Error is logged inside checkHFilesCountPerRegionPerFamily.<a name="line.492"></a> +<span class="sourceLineNo">493</span> throw new IOException("Trying to load more than " + maxFilesPerRegionPerFamily<a name="line.493"></a> +<span class="sourceLineNo">494</span> + " hfiles to one family of one region");<a name="line.494"></a> +<span class="sourceLineNo">495</span> }<a name="line.495"></a> +<span class="sourceLineNo">496</span><a name="line.496"></a> +<span class="sourceLineNo">497</span> bulkLoadPhase(table, admin.getConnection(), pool, queue, regionGroups, copyFile,<a name="line.497"></a> +<span class="sourceLineNo">498</span> item2RegionMap);<a name="line.498"></a> +<span class="sourceLineNo">499</span><a name="line.499"></a> +<span class="sourceLineNo">500</span> // NOTE: The next iteration's split / group could happen in parallel to<a name="line.500"></a> +<span class="sourceLineNo">501</span> // atomic bulkloads assuming that there are splits and no merges, and<a name="line.501"></a> +<span class="sourceLineNo">502</span> // that we can atomically pull out the groups we want to retry.<a name="line.502"></a> +<span class="sourceLineNo">503</span> }<a name="line.503"></a> +<span class="sourceLineNo">504</span><a name="line.504"></a> +<span class="sourceLineNo">505</span> if (!queue.isEmpty()) {<a name="line.505"></a> +<span class="sourceLineNo">506</span> throw new RuntimeException("Bulk load aborted with some files not yet loaded."<a name="line.506"></a> +<span class="sourceLineNo">507</span> + "Please check log for more details.");<a name="line.507"></a> +<span class="sourceLineNo">508</span> }<a name="line.508"></a> +<span class="sourceLineNo">509</span> return item2RegionMap;<a name="line.509"></a> +<span class="sourceLineNo">510</span> }<a name="line.510"></a> +<span class="sourceLineNo">511</span><a name="line.511"></a> +<span class="sourceLineNo">512</span> /**<a name="line.512"></a> +<span class="sourceLineNo">513</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.513"></a> +<span class="sourceLineNo">514</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.514"></a> +<span class="sourceLineNo">515</span> * families in it.<a name="line.515"></a> +<span class="sourceLineNo">516</span> * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.516"></a> +<span class="sourceLineNo">517</span> * @param table table to which hfiles should be loaded<a name="line.517"></a> +<span class="sourceLineNo">518</span> * @param queue queue which needs to be loaded into the table<a name="line.518"></a> +<span class="sourceLineNo">519</span> * @param validateHFile if true hfiles will be validated for its format<a name="line.519"></a> +<span class="sourceLineNo">520</span> * @throws IOException If any I/O or network error occurred<a name="line.520"></a> +<span class="sourceLineNo">521</span> */<a name="line.521"></a> +<span class="sourceLineNo">522</span> public void prepareHFileQueue(Path hfilesDir, Table table, Deque<LoadQueueItem> queue,<a name="line.522"></a> +<span class="sourceLineNo">523</span> boolean validateHFile) throws IOException {<a name="line.523"></a> +<span class="sourceLineNo">524</span> prepareHFileQueue(hfilesDir, table, queue, validateHFile, false);<a name="line.524"></a> +<span class="sourceLineNo">525</span> }<a name="line.525"></a> +<span class="sourceLineNo">526</span><a name="line.526"></a> +<span class="sourceLineNo">527</span> /**<a name="line.527"></a> +<span class="sourceLineNo">528</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.528"></a> +<span class="sourceLineNo">529</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.529"></a> +<span class="sourceLineNo">530</span> * families in it.<a name="line.530"></a> +<span class="sourceLineNo">531</span> * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.531"></a> +<span class="sourceLineNo">532</span> * @param table table to which hfiles should be loaded<a name="line.532"></a> +<span class="sourceLineNo">533</span> * @param queue queue which needs to be loaded into the table<a name="line.533"></a> +<span class="sourceLineNo">534</span> * @param validateHFile if true hfiles will be validated for its format<a name="line.534"></a> +<span class="sourceLineNo">535</span> * @param silence true to ignore unmatched column families<a name="line.535"></a> +<span class="sourceLineNo">536</span> * @throws IOException If any I/O or network error occurred<a name="line.536"></a> +<span class="sourceLineNo">537</span> */<a name="line.537"></a> +<span class="sourceLineNo">538</span> public void prepareHFileQueue(Path hfilesDir, Table table,<a name="line.538"></a> +<span class="sourceLineNo">539</span> Deque<LoadQueueItem> queue, boolean validateHFile, boolean silence) throws IOException {<a name="line.539"></a> +<span class="sourceLineNo">540</span> discoverLoadQueue(queue, hfilesDir, validateHFile);<a name="line.540"></a> +<span class="sourceLineNo">541</span> validateFamiliesInHFiles(table, queue, silence);<a name="line.541"></a> +<span class="sourceLineNo">542</span> }<a name="line.542"></a> +<span class="sourceLineNo">543</span><a name="line.543"></a> +<span class="sourceLineNo">544</span> /**<a name="line.544"></a> +<span class="sourceLineNo">545</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.545"></a> +<span class="sourceLineNo">546</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.546"></a> +<span class="sourceLineNo">547</span> * families in it.<a name="line.547"></a> +<span class="sourceLineNo">548</span> * @param map map of family to List of hfiles<a name="line.548"></a> +<span class="sourceLineNo">549</span> * @param table table to which hfiles should be loaded<a name="line.549"></a> +<span class="sourceLineNo">550</span> * @param queue queue which needs to be loaded into the table<a name="line.550"></a> +<span class="sourceLineNo">551</span> * @param silence true to ignore unmatched column families<a name="line.551"></a> +<span class="sourceLineNo">552</span> * @throws IOException If any I/O or network error occurred<a name="line.552"></a> +<span class="sourceLineNo">553</span> */<a name="line.553"></a> +<span class="sourceLineNo">554</span> public void prepareHFileQueue(Map<byte[], List<Path>> map, Table table,<a name="line.554"></a> +<span class="sourceLineNo">555</span> Deque<LoadQueueItem> queue, boolean silence) throws IOException {<a name="line.555"></a> +<span class="sourceLineNo">556</span> populateLoadQueue(queue, map);<a name="line.556"></a> +<span class="sourceLineNo">557</span> validateFamiliesInHFiles(table, queue, silence);<a name="line.557"></a> +<span class="sourceLineNo">558</span> }<a name="line.558"></a> +<span class="sourceLineNo">559</span><a name="line.559"></a> +<span class="sourceLineNo">560</span> // Initialize a thread pool<a name="line.560"></a> +<span class="sourceLineNo">561</span> private ExecutorService createExecutorService() {<a name="line.561"></a> +<span class="sourceLineNo">562</span> ThreadFactoryBuilder builder = new ThreadFactoryBuilder();<a name="line.562"></a> +<span class="sourceLineNo">563</span> builder.setNameFormat("LoadIncrementalHFiles-%1$d");<a name="line.563"></a> +<span class="sourceLineNo">564</span> ExecutorService pool = new ThreadPoolExecutor(nrThreads, nrThreads, 60, TimeUnit.SECONDS,<a name="line.564"></a> +<span class="sourceLineNo">565</span> new LinkedBlockingQueue<Runnable>(), builder.build());<a name="line.565"></a> +<span class="sourceLineNo">566</span> ((ThreadPoolExecutor) pool).allowCoreThreadTimeOut(true);<a name="line.566"></a> +<span class="sourceLineNo">567</span> return pool;<a name="line.567"></a> +<span class="sourceLineNo">568</span> }<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> * Checks whether there is any invalid family name in HFiles to be bulk loaded.<a name="line.571"></a> +<span class="sourceLineNo">572</span> */<a name="line.572"></a> +<span class="sourceLineNo">573</span> private void validateFamiliesInHFiles(Table table, Deque<LoadQueueItem> queue, boolean silence)<a name="line.573"></a> +<span class="sourceLineNo">574</span> throws IOException {<a name="line.574"></a> +<span class="sourceLineNo">575</span> Collection<HColumnDescriptor> families = table.getTableDescriptor().getFamilies();<a name="line.575"></a> +<span class="sourceLineNo">576</span> List<String> familyNames = new ArrayList<>(families.size());<a name="line.576"></a> +<span class="sourceLineNo">577</span> for (HColumnDescriptor family : families) {<a name="line.577"></a> +<span class="sourceLineNo">578</span> familyNames.add(family.getNameAsString());<a name="line.578"></a> +<span class="sourceLineNo">579</span> }<a name="line.579"></a> +<span class="sourceLineNo">580</span> Iterator<LoadQueueItem> queueIter = queue.iterator();<a name="line.580"></a> +<span class="sourceLineNo">581</span> while (queueIter.hasNext()) {<a name="line.581"></a> +<span class="sourceLineNo">582</span> LoadQueueItem lqi = queueIter.next();<a name="line.582"></a> +<span class="sourceLineNo">583</span> String familyNameInHFile = Bytes.toString(lqi.family);<a name="line.583"></a> +<span class="sourceLineNo">584</span> if (!familyNames.contains(familyNameInHFile)) {<a name="line.584"></a> +<span class="sourceLineNo">585</span> unmatchedFamilies.add(familyNameInHFile);<a name="line.585"></a> +<span class="sourceLineNo">586</span> }<a name="line.586"></a> +<span class="sourceLineNo">587</span> }<a name="line.587"></a> +<span class="sourceLineNo">588</span> if (unmatchedFamilies.size() > 0) {<a name="line.588"></a> +<span class="sourceLineNo">589</span> String msg =<a name="line.589"></a> +<span class="sourceLineNo">590</span> "Unmatched family names found: unmatched family names in HFiles to be bulkloaded: "<a name="line.590"></a> +<span class="sourceLineNo">591</span> + unmatchedFamilies + "; valid family names of table " + table.getName() + " are: "<a name="line.591"></a> +<span class="sourceLineNo">592</span> + familyNames;<a name="line.592"></a> +<span class="sourceLineNo">593</span> LOG.error(msg);<a name="line.593"></a> +<span class="sourceLineNo">594</span> if (!silence) throw new IOException(msg);<a name="line.594"></a> +<span class="sourceLineNo">595</span> }<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> /**<a name="line.598"></a> +<span class="sourceLineNo">599</span> * Used by the replication sink to load the hfiles from the source cluster. It does the following,<a name="line.599"></a> +<span class="sourceLineNo">600</span> * <ol><a name="line.600"></a> +<span class="sourceLineNo">601</span> * <li>LoadIncrementalHFiles#groupOrSplitPhase(Table, ExecutorService, Deque, Pair)}</li><a name="line.601"></a> +<span class="sourceLineNo">602</span> * <li>LoadIncrementalHFiles#bulkLoadPhase(Table, Connection, ExecutorService, Deque, Multimap)<a name="line.602"></a> +<span class="sourceLineNo">603</span> * </li><a name="line.603"></a> +<span class="sourceLineNo">604</span> * </ol><a name="line.604"></a> +<span class="sourceLineNo">605</span> * @param table Table to which these hfiles should be loaded to<a name="line.605"></a> +<span class="sourceLineNo">606</span> * @param conn Connection to use<a name="line.606"></a> +<span class="sourceLineNo">607</span> * @param queue {@link LoadQueueItem} has hfiles yet to be loaded<a name="line.607"></a> +<span class="sourceLineNo">608</span> * @param startEndKeys starting and ending row keys of the region<a name="line.608"></a> +<span class="sourceLineNo">609</span> */<a name="line.609"></a> +<span class="sourceLineNo">610</span> public void loadHFileQueue(final Table table, final Connection conn, Deque<LoadQueueItem> queue,<a name="line.610"></a> +<span class="sourceLineNo">611</span> Pair<byte[][], byte[][]> startEndKeys) throws IOException {<a name="line.611"></a> +<span class="sourceLineNo">612</span> loadHFileQueue(table, conn, queue, startEndKeys, false);<a name="line.612"></a> +<span class="sourceLineNo">613</span> }<a name="line.613"></a> +<span class="sourceLineNo">614</span><a name="line.614"></a> +<span class="sourceLineNo">615</span> /**<a name="line.615"></a> +<span class="sourceLineNo">616</span> * Used by the replication sink to load the hfiles from the source cluster. It does the following,<a name="line.616"></a> +<span class="sourceLineNo">617</span> * <ol><a name="line.617"></a> +<span class="sourceLineNo">618</span> * <li>LoadIncrementalHFiles#groupOrSplitPhase(Table, ExecutorService, Deque, Pair)}</li><a name="line.618"></a> +<span class="sourceLineNo">619</span> * <li>LoadIncrementalHFiles#bulkLoadPhase(Table, Connection, ExecutorService, Deque, Multimap)<a name="line.619"></a> +<span class="sourceLineNo">620</span> * </li><a name="line.620"></a> +<span class="sourceLineNo">621</span> * </ol><a name="line.621"></a> +<span class="sourceLineNo">622</span> * @param table Table to which these hfiles should be loaded to<a name="line.622"></a> +<span class="sourceLineNo">623</span> * @param conn Connection to use<a name="line.623"></a> +<span class="sourceLineNo">624</span> * @param queue {@link LoadQueueItem} has hfiles yet to be loaded<a name="line.624"></a> +<span class="sourceLineNo">625</span> * @param startEndKeys starting and ending row keys of the region<a name="line.625"></a> +<span class="sourceLineNo">626</span> */<a name="line.626"></a> +<span class="sourceLineNo">627</span> public void loadHFileQueue(final Table table, final Connection conn, Deque<LoadQueueItem> queue,<a name="line.627"></a> +<span class="sourceLineNo">628</span> Pair<byte[][], byte[][]> startEndKeys, boolean copyFile) throws IOException {<a name="line.628"></a> +<span class="sourceLineNo">629</span> ExecutorService pool = null;<a name="line.629"></a> +<span class="sourceLineNo">630</span> try {<a name="line.630"></a> +<span class="sourceLineNo">631</span> pool = createExecutorService();<a name="line.631"></a> +<span class="sourceLineNo">632</span> Multimap<ByteBuffer, LoadQueueItem> regionGroups =<a name="line.632"></a> +<span class="sourceLineNo">633</span> groupOrSplitPhase(table, pool, queue, startEndKeys).getFirst();<a name="line.633"></a> +<span class="sourceLineNo">634</span> bulkLoadPhase(table, conn, pool, queue, regionGroups, copyFile, null);<a name="line.634"></a> +<span class="sourceLineNo">635</span> } finally {<a name="line.635"></a> +<span class="sourceLineNo">636</span> if (pool != null) {<a name="line.636"></a> +<span class="sourceLineNo">637</span> pool.shutdown();<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><a name="line.641"></a> +<span class="sourceLineNo">642</span> /**<a name="line.642"></a> +<span class="sourceLineNo">643</span> * This takes the LQI's grouped by likely regions and attempts to bulk load<a name="line.643"></a> +<span class="sourceLineNo">644</span> * them. Any failures are re-queued for another pass with the<a name="line.644"></a> +<span class="sourceLineNo">645</span> * groupOrSplitPhase.<a name="line.645"></a> +<span class="sourceLineNo">646</span> */<a name="line.646"></a> +<span class="sourceLineNo">647</span> protected void bulkLoadPhase(final Table table, final Connection conn,<a name="line.647"></a> +<span class="sourceLineNo">648</span> ExecutorService pool, Deque<LoadQueueItem> queue,<a name="line.648"></a> +<span class="sourceLineNo">649</span> final Multimap<ByteBuffer, LoadQueueItem> regionGroups, boolean copyFile,<a name="line.649"></a> +<span class="sourceLineNo">650</span> Map<LoadQueueItem, ByteBuffer> item2RegionMap) throws IOException {<a name="line.650"></a> +<span class="sourceLineNo">651</span> // atomically bulk load the groups.<a name="line.651"></a> +<span class="sourceLineNo">652</span> Set<Future<List<LoadQueueItem>>> loadingFutures = new HashSet<>();<a name="line.652"></a> +<span class="sourceLineNo">653</span> for (Entry<ByteBuffer, ? extends Collection<LoadQueueItem>> e: regionGroups.asMap().entrySet()){<a name="line.653"></a> +<span class="sourceLineNo">654</span> final byte[] first = e.getKey().array();<a name="line.654"></a> +<span class="sourceLineNo">655</span> final Collection<LoadQueueItem> lqis = e.getValue();<a name="line.655"></a> +<span class="sourceLineNo">656</span><a name="line.656"></a> +<span class="sourceLineNo">657</span> final Callable<List<LoadQueueItem>> call = new Callable<List<LoadQueueItem>>() {<a name="line.657"></a> +<span class="sourceLineNo">658</span> @Override<a name="line.658"></a> +<span class="sourceLineNo">659</span> public List<LoadQueueItem> call() throws Exception {<a name="line.659"></a> +<span class="sourceLineNo">660</span> List<LoadQueueItem> toRetry =<a name="line.660"></a> +<span class="sourceLineNo">661</span> tryAtomicRegionLoad(conn, table.getName(), first, lqis, copyFile);<a name="line.661"></a> +<span class="sourceLineNo">662</span> return toRetry;<a name="line.662"></a> +<span class="sourceLineNo">663</span> }<a name="line.663"></a> +<span class="sourceLineNo">664</span> };<a name="line.664"></a> +<span class="sourceLineNo">665</span> if (item2RegionMap != null) {<a name="line.665"></a> +<span class="sourceLineNo">666</span> for (LoadQueueItem lqi : lqis) {<a name="line.666"></a> +<span class="sourceLineNo">667</span> item2RegionMap.put(lqi, e.getKey());<a name="line.667"></a> +<span class="sourceLineNo">668</span> }<a name="line.668"></a> +<span class="sourceLineNo">669</span> }<a name="line.669"></a> +<span class="sourceLineNo">670</span> loadingFutures.add(pool.submit(call));<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 all the results.<a name="line.673"></a> +<span class="sourceLineNo">674</span> for (Future<List<LoadQueueItem>> future : loadingFutures) {<a name="line.674"></a> +<span class="sourceLineNo">675</span> try {<a name="line.675"></a> +<span class="sourceLineNo">676</span> List<LoadQueueItem> toRetry = future.get();<a name="line.676"></a> +<span class="sourceLineNo">677</span><a name="line.677"></a> +<span class="sourceLineNo">678</span> if (item2RegionMap != null) {<a name="line.678"></a> +<span class="sourceLineNo">679</span> for (LoadQueueItem lqi : toRetry) {<a name="line.679"></a> +<span class="sourceLineNo">680</span> item2RegionMap.remove(lqi);<a name="line.680"></a> +<span class="sourceLineNo">681</span> }<a name="line.681"></a> +<span class="sourceLineNo">682</span> }<a name="line.682"></a> +<span class="sourceLineNo">683</span> // LQIs that are requeued to be regrouped.<a name="line.683"></a> +<span class="sourceLineNo">684</span> queue.addAll(toRetry);<a name="line.684"></a> +<span class="sourceLineNo">685</span><a name="line.685"></a> +<span class="sourceLineNo">686</span> } catch (ExecutionException e1) {<a name="line.686"></a> +<span class="sourceLineNo">687</span> Throwable t = e1.getCause();<a name="line.687"></a> +<span class="sourceLineNo">688</span> if (t instanceof IOException) {<a name="line.688"></a> +<span class="sourceLineNo">689</span> // At this point something unrecoverable has happened.<a name="line.689"></a> +<span class="sourceLineNo">690</span> // TODO Implement bulk load recovery<a name="line.690"></a> +<span class="sourceLineNo">691</span> throw new IOException("BulkLoad encountered an unrecoverable problem", t);<a name="line.691"></a> +<span class="sourceLineNo">692</span> }<a name="line.692"></a> +<span class="sourceLineNo">693</span> LOG.error("Unexpected execution exception during bulk load", e1);<a name="line.693"></a> +<span class="sourceLineNo">694</span> throw new IllegalStateException(t);<a name="line.694"></a> +<span class="sourceLineNo">695</span> } catch (InterruptedException e1) {<a name="line.695"></a> +<span class="sourceLineNo">696</span> LOG.error("Unexpected interrupted exception during bulk load", e1);<a name="line.696"></a> +<span class="sourceLineNo">697</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e1);<a name="line.697"></a> +<span class="sourceLineNo">698</span> }<a name="line.698"></a> +<span class="sourceLineNo">699</span> }<a name="line.699"></a> +<span class="sourceLineNo">700</span> }<a name="line.700"></a> +<span class="sourceLineNo">701</span><a name="line.701"></a> +<span class="sourceLineNo">702</span> private boolean checkHFilesCountPerRegionPerFamily(<a name="line.702"></a> +<span class="sourceLineNo">703</span> final Multimap<ByteBuffer, LoadQueueItem> regionGroups) {<a name="line.703"></a> +<span class="sourceLineNo">704</span> for (Entry<ByteBuffer,<a name="line.704"></a> +<span class="sourceLineNo">705</span> ? extends Collection<LoadQueueItem>> e: regionGroups.asMap().entrySet()) {<a name="line.705"></a> +<span class="sourceLineNo">706</span> final Collection<LoadQueueItem> lqis = e.getValue();<a name="line.706"></a> +<span class="sourceLineNo">707</span> HashMap<byte[], MutableInt> filesMap = new HashMap<>();<a name="line.707"></a> +<span class="sourceLineNo">708</span> for (LoadQueueItem lqi: lqis) {<a name="line.708"></a> +<span class="sourceLineNo">709</span> MutableInt count = filesMap.get(lqi.family);<a name="line.709"></a> +<span class="sourceLineNo">710</span> if (count == null) {<a name="line.710"></a> +<span class="sourceLineNo">711</span> count = new MutableInt();<a name="line.711"></a> +<span class="sourceLineNo">712</span> filesMap.put(lqi.family, count);<a name="line.712"></a> +<span class="sourceLineNo">713</span> }<a name="line.713"></a> +<span class="sourceLineNo">714</span> count.increment();<a name="line.714"></a> +<span class="sourceLineNo">715</span> if (count.intValue() > maxFilesPerRegionPerFamily) {<a name="line.715"></a> +<span class="sourceLineNo">716</span> LOG.error("Trying to load more than " + maxFilesPerRegionPerFamily<a name="line.716"></a> +<span class="sourceLineNo">717</span> + " hfiles to family " + Bytes.toStringBinary(lqi.family)<a name="line.717"></a> +<span class="sourceLineNo">718</span> + " of region with start key "<a name="line.718"></a> +<span class="sourceLineNo">719</span> + Bytes.toStringBinary(e.getKey()));<a name="line.719"></a> +<span class="sourceLineNo">720</span> return false;<a name="line.720"></a> +<span class="sourceLineNo">721</span> }<a name="line.721"></a> +<span class="sourceLineNo">722</span> }<a name="line.722"></a> +<span class="sourceLineNo">723</span> }<a name="line.723"></a> +<span class="sourceLineNo">724</span> return true;<a name="line.724"></a> +<span class="sourceLineNo">725</span> }<a name="line.725"></a> +<span class="sourceLineNo">726</span><a name="line.726"></a> +<span class="sourceLineNo">727</span> /**<a name="line.727"></a> +<span class="sourceLineNo">728</span> * @param table the table to load into<a name="line.728"></a> +<span class="sourceLineNo">729</span> * @param pool the ExecutorService<a name="line.729"></a> +<span class="sourceLineNo">730</span> * @param queue the queue for LoadQueueItem<a name="line.730"></a> +<span class="sourceLineNo">731</span> * @param startEndKeys start and end keys<a name="line.731"></a> +<span class="sourceLineNo">732</span> * @return A map that groups LQI by likely bulk load region targets and Set of missing hfiles.<a name="line.732"></a> +<span class="sourceLineNo">733</span> */<a name="line.733"></a> +<span class="sourceLineNo">734</span> private Pair<Multimap<ByteBuffer, LoadQueueItem>, Set<String>> groupOrSplitPhase(<a name="line.734"></a> +<span class="sourceLineNo">735</span> final Table table, ExecutorService pool, Deque<LoadQueueItem> queue,<a name="line.735"></a> +<span class="sourceLineNo">736</span> final Pair<byte[][], byte[][]> startEndKeys) throws IOException {<a name="line.736"></a> +<span class="sourceLineNo">737</span> // <region start key, LQI> need synchronized only within this scope of this<a name="line.737"></a> +<span class="sourceLineNo">738</span> // phase because of the puts that happen in futures.<a name="line.738"></a> +<span class="sourceLineNo">739</span> Multimap<ByteBuffer, LoadQueueItem> rgs = HashMultimap.create();<a name="line.739"></a> +<span class="sourceLineNo">740</span> final Multimap<ByteBuffer, LoadQueueItem> regionGroups = Multimaps.synchronizedMultimap(rgs);<a name="line.740"></a> +<span class="sourceLineNo">741</span> Set<String> missingHFiles = new HashSet<>();<a name="line.741"></a> +<span class="sourceLineNo">742</span> Pair<Multimap<ByteBuffer, LoadQueueItem>, Set<String>> pair = new Pair<>(regionGroups,<a name="line.742"></a> +<span class="sourceLineNo">743</span> missingHFiles);<a name="line.743"></a> +<span class="sourceLineNo">744</span><a name="line.744"></a> +<span class="sourceLineNo">745</span> // drain LQIs and figure out bulk load groups<a name="line.745"></a> +<span 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class="sourceLineNo">755</span> startEndKeys);<a name="line.755"></a> +<span class="sourceLineNo">756</span> return splits;<a name="line.756"></a> +<span class="sourceLineNo">757</span> }<a name="line.757"></a> +<span class="sourceLineNo">758</span> };<a name="line.758"></a> +<span class="sourceLineNo">759</span> splittingFutures.add(pool.submit(call));<a name="line.759"></a> +<span class="sourceLineNo">760</span> }<a name="line.760"></a> +<span class="sourceLineNo">761</span> // get all the results. 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Splitting...");<a name="line.805"></a> <span class="sourceLineNo">806</span><a name="line.806"></a> -<span class="sourceLineNo">807</span> // Add these back at the *front* of the queue, so there's a lower<a name="line.807"></a> -<span class="sourceLineNo">808</span> // chance that the region will just split again before we get there.<a name="line.808"></a> -<span class="sourceLineNo">809</span> List<LoadQueueItem> lqis = new ArrayList<LoadQueueItem>(2);<a name="line.809"></a> -<span class="sourceLineNo">810</span> lqis.add(new LoadQueueItem(item.family, botOut));<a name="line.810"></a> -<span class="sourceLineNo">811</span> lqis.add(new LoadQueueItem(item.family, topOut));<a name="line.811"></a> -<span class="sourceLineNo">812</span><a name="line.812"></a> -<span class="sourceLineNo">813</span> // If the current item is already the result of previous splits,<a name="line.813"></a> -<span class="sourceLineNo">814</span> // we don't need it anymore. 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first = hfr.getFirstRowKey();<a name="line.856"></a> -<span class="sourceLineNo">857</span> last = hfr.getLastRowKey();<a name="line.857"></a> -<span class="sourceLineNo">858</span> } finally {<a name="line.858"></a> -<span class="sourceLineNo">859</span> hfr.close();<a name="line.859"></a> -<span class="sourceLineNo">860</span> }<a name="line.860"></a> -<span class="sourceLineNo">861</span><a name="line.861"></a> -<span class="sourceLineNo">862</span> LOG.info("Trying to load hfile=" + hfilePath +<a name="line.862"></a> -<span class="sourceLineNo">863</span> " first=" + Bytes.toStringBinary(first) +<a name="line.863"></a> -<span class="sourceLineNo">864</span> " last=" + Bytes.toStringBinary(last));<a name="line.864"></a> -<span class="sourceLineNo">865</span> if (first == null || last == null) {<a name="line.865"></a> -<span class="sourceLineNo">866</span> assert first == null && last == null;<a name="line.866"></a> -<span class="sourceLineNo">867</span> // TODO what if this is due 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Calculate region it<a name="line.879"></a> -<span class="sourceLineNo">880</span> // would be in.<a name="line.880"></a> -<span class="sourceLineNo">881</span> idx = -(idx + 1) - 1;<a name="line.881"></a> +<span class="sourceLineNo">807</span> String uniqueName = getUniqueName();<a name="line.807"></a> +<span class="sourceLineNo">808</span> HColumnDescriptor familyDesc = table.getTableDescriptor().getFamily(item.family);<a name="line.808"></a> +<span class="sourceLineNo">809</span><a name="line.809"></a> +<span class="sourceLineNo">810</span> Path botOut = new Path(tmpDir, uniqueName + ".bottom");<a name="line.810"></a> +<span class="sourceLineNo">811</span> Path topOut = new Path(tmpDir, uniqueName + ".top");<a name="line.811"></a> +<span class="sourceLineNo">812</span> splitStoreFile(getConf(), hfilePath, familyDesc, splitKey, botOut, topOut);<a name="line.812"></a> +<span class="sourceLineNo">813</span><a name="line.813"></a> +<span class="sourceLineNo">814</span> FileSystem fs = tmpDir.getFileSystem(getConf());<a name="line.814"></a> +<span class="sourceLineNo">815</span> fs.setPermission(tmpDir, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.815"></a> +<span class="sourceLineNo">816</span> fs.setPermission(botOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.816"></a> +<span class="sourceLineNo">817</span> fs.setPermission(topOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.817"></a> +<span class="sourceLineNo">818</span><a name="line.818"></a> +<span class="sourceLineNo">819</span> // Add these back at the *front* of the queue, so there's a lower<a name="line.819"></a> +<span class="sourceLineNo">820</span> // chance that the region will just split again before we get there.<a name="line.820"></a> +<span class="sourceLineNo">821</span> List<LoadQueueItem> lqis = new ArrayList<LoadQueueItem>(2);<a name="line.821"></a> +<span class="sourceLineNo">822</span> lqis.add(new LoadQueueItem(item.family, botOut));<a name="line.822"></a> +<span class="sourceLineNo">823</span> lqis.add(new LoadQueueItem(item.family, topOut));<a name="line.823"></a> +<span class="sourceLineNo">824</span><a name="line.824"></a> +<span class="sourceLineNo">825</span> // If the current item is already the result of previous splits,<a name="line.825"></a> +<span class="sourceLineNo">826</span> // we don't need it anymore. Clean up to save space.<a name="line.826"></a> +<span class="sourceLineNo">827</span> // It is not part of the original input files.<a name="line.827"></a> +<span class="sourceLineNo">828</span> try {<a name="line.828"></a> +<span class="sourceLineNo">829</span> tmpDir = item.hfilePath.getParent();<a name="line.829"></a> +<span class="sourceLineNo">830</span> if (tmpDir.getName().equals(TMP_DIR)) {<a name="line.830"></a> +<span class="sourceLineNo">831</span> fs.delete(item.hfilePath, false);<a name="line.831"></a> +<span class="sourceLineNo">832</span> }<a name="line.832"></a> +<span class="sourceLineNo">833</span> } catch (IOException e) {<a name="line.833"></a> +<span class="sourceLineNo">834</span> LOG.warn("Unable to delete temporary split file " + item.hfilePath);<a name="line.834"></a> +<span class="sourceLineNo">835</span> }<a name="line.835"></a> +<span class="sourceLineNo">836</span> LOG.info("Successfully split into new HFiles " + botOut + " and " + topOut);<a name="line.836"></a> +<span class="sourceLineNo">837</span> return lqis;<a name="line.837"></a> +<span class="sourceLineNo">838</span> }<a name="line.838"></a> +<span class="sourceLineNo">839</span><a name="line.839"></a> +<span class="sourceLineNo">840</span> /**<a name="line.840"></a> +<span class="sourceLineNo">841</span> * Attempt to assign the given load queue item into its target region group.<a name="line.841"></a> +<span class="sourceLineNo">842</span> * If the hfile boundary no longer fits into a region, physically splits<a name="line.842"></a> +<span class="sourceLineNo">843</span> * the hfile such that the new bottom half will fit and returns the list of<a name="line.843"></a> +<span class="sourceLineNo">844</span> * LQI's corresponding to the resultant hfiles.<a name="line.844"></a> +<span class="sourceLineNo">845</span> *<a name="line.845"></a> +<span class="sourceLineNo">846</span> * protected for testing<a name="line.846"></a> +<span class="sourceLineNo">847</span> * @throws IOException if an IO failure is encountered<a name="line.847"></a> +<span class="sourceLineNo">848</span> */<a name="line.848"></a> +<span class="sourceLineNo">849</span> protected Pair<List<LoadQueueItem>, String> groupOrSplit(<a name="line.849"></a> +<span class="sourceLineNo">850</span> Multimap<ByteBuffer, LoadQueueItem> regionGroups, final LoadQueueItem item, final Table table,<a name="line.850"></a> +<span class="sourceLineNo">851</span> final Pair<byte[][], byte[][]> startEndKeys) throws IOException {<a name="line.851"></a> +<span class="sourceLineNo">852</span> final Path hfilePath = item.hfilePath;<a name="line.852"></a> +<span class="sourceLineNo">853</span> // fs is the source filesystem<a name="line.853"></a> +<span class="sourceLineNo">854</span> if (fs == null) {<a name="line.854"></a> +<span class="sourceLineNo">855</span> fs = hfilePath.getFileSystem(getConf());<a name="line.855"></a> +<span class="sourceLineNo">856</span> }<a name="line.856"></a> +<span class="sourceLineNo">857</span> HFile.Reader hfr = null;<a name="line.857"></a> +<span class="sourceLineNo">858</span> try {<a name="line.858"></a> +<span class="sourceLineNo">859</span> hfr = HFile.createReader(fs, hfilePath,<a name="line.859"></a> +<span class="sourceLineNo">860</span> new CacheConfig(getConf()), getConf());<a name="line.860"></a> +<span class="sourceLineNo">861</span> } catch (FileNotFoundException fnfe) {<a name="line.861"></a> +<span class="sourceLineNo">862</span> LOG.debug("encountered", fnfe);<a name="line.862"></a> +<span class="sourceLineNo">863</span> return new Pair<>(null, hfilePath.getName());<a name="line.863"></a> +<span class="sourceLineNo">864</span> }<a name="line.864"></a> +<span class="sourceLineNo">865</span> final byte[] first, last;<a name="lin
<TRUNCATED>
