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Posted to commits@hbase.apache.org by st...@apache.org on 2016/11/15 05:46:14 UTC
[23/35] hbase-site git commit: Published site at
9250bf809155ebe93fd6ae8a0485b22c744fdf70.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f17356a7/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
index 6d25806..55fa666 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.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, validateHFile, false);<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> /**<a name="line.526"></a>
-<span class="sourceLineNo">527</span> * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.527"></a>
-<span class="sourceLineNo">528</span> * passed directory and validates whether the prepared queue has all the valid table column<a name="line.528"></a>
-<span class="sourceLineNo">529</span> * families in it.<a name="line.529"></a>
-<span class="sourceLineNo">530</span> * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.530"></a>
-<span class="sourceLineNo">531</span> * @param table table to which hfiles should be loaded<a name="line.531"></a>
-<span class="sourceLineNo">532</span> * @param queue queue which needs to be loaded into the table<a 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 bulk loaded.<a name="line.570"></a>
-<span class="sourceLineNo">571</span> */<a name="line.571"></a>
-<span class="sourceLineNo">572</span> private void validateFamiliesInHFiles(Table table, Deque<LoadQueueItem> queue, boolean silence)<a name="line.572"></a>
-<span class="sourceLineNo">573</span> throws IOException {<a name="line.573"></a>
-<span class="sourceLineNo">574</span> Collection<HColumnDescriptor> families = table.getTableDescriptor().getFamilies();<a name="line.574"></a>
-<span class="sourceLineNo">575</span> List<String> familyNames = new ArrayList<>(families.size());<a name="line.575"></a>
-<span class="sourceLineNo">576</span> for (HColumnDescriptor family : families) {<a name="line.576"></a>
-<span class="sourceLineNo">577</span> familyNames.add(family.getNameAsString());<a name="line.577"></a>
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-<span class="sourceLineNo">579</span> Iterator<LoadQueueItem> queueIter = queue.iterator();<a name="line.579"></a>
-<span class="sourceLineNo">580</span> while (queueIter.hasNext()) {<a name="line.580"></a>
-<span class="sourceLineNo">581</span> LoadQueueItem lqi = queueIter.next();<a name="line.581"></a>
-<span class="sourceLineNo">582</span> String familyNameInHFile = Bytes.toString(lqi.family);<a name="line.582"></a>
-<span class="sourceLineNo">583</span> if (!familyNames.contains(familyNameInHFile)) {<a name="line.583"></a>
-<span class="sourceLineNo">584</span> unmatchedFamilies.add(familyNameInHFile);<a name="line.584"></a>
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-<span class="sourceLineNo">586</span> }<a name="line.586"></a>
-<span class="sourceLineNo">587</span> if (unmatchedFamilies.size() > 0) {<a name="line.587"></a>
-<span class="sourceLineNo">588</span> String msg =<a name="line.588"></a>
-<span class="sourceLineNo">589</span> "Unmatched family names found: unmatched family names in HFiles to be bulkloaded: "<a name="line.589"></a>
-<span 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>
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-<span class="sourceLineNo">650</span> Set<Future<List<LoadQueueItem>>> loadingFutures = new HashSet<>();<a name="line.650"></a>
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