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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/05/04 14:48:34 UTC
[35/51] [partial] hbase-site git commit: Published site at
87f5b5f3411d96c31b4cb61b9a57ced22be91d1f.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/de18d468/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html
index c282308..094b592 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html
@@ -426,483 +426,481 @@
<span class="sourceLineNo">418</span> */<a name="line.418"></a>
<span class="sourceLineNo">419</span> void removeRecoveredSource(ReplicationSourceInterface src) {<a name="line.419"></a>
<span class="sourceLineNo">420</span> LOG.info("Done with the recovered queue " + src.getQueueId());<a name="line.420"></a>
-<span class="sourceLineNo">421</span> src.getSourceMetrics().clear();<a name="line.421"></a>
-<span class="sourceLineNo">422</span> this.oldsources.remove(src);<a name="line.422"></a>
-<span class="sourceLineNo">423</span> // Delete queue from storage and memory<a name="line.423"></a>
-<span class="sourceLineNo">424</span> deleteQueue(src.getQueueId());<a name="line.424"></a>
-<span class="sourceLineNo">425</span> this.walsByIdRecoveredQueues.remove(src.getQueueId());<a name="line.425"></a>
-<span class="sourceLineNo">426</span> }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span> /**<a name="line.428"></a>
-<span class="sourceLineNo">429</span> * Clear the metrics and related replication queue of the specified old source<a name="line.429"></a>
-<span class="sourceLineNo">430</span> * @param src source to clear<a name="line.430"></a>
-<span class="sourceLineNo">431</span> */<a name="line.431"></a>
-<span class="sourceLineNo">432</span> void removeSource(ReplicationSourceInterface src) {<a name="line.432"></a>
-<span class="sourceLineNo">433</span> LOG.info("Done with the queue " + src.getQueueId());<a name="line.433"></a>
-<span class="sourceLineNo">434</span> src.getSourceMetrics().clear();<a name="line.434"></a>
-<span class="sourceLineNo">435</span> this.sources.remove(src.getPeerId());<a name="line.435"></a>
-<span class="sourceLineNo">436</span> // Delete queue from storage and memory<a name="line.436"></a>
-<span class="sourceLineNo">437</span> deleteQueue(src.getQueueId());<a name="line.437"></a>
-<span class="sourceLineNo">438</span> this.walsById.remove(src.getQueueId());<a name="line.438"></a>
-<span class="sourceLineNo">439</span> }<a name="line.439"></a>
-<span class="sourceLineNo">440</span><a name="line.440"></a>
-<span class="sourceLineNo">441</span> /**<a name="line.441"></a>
-<span class="sourceLineNo">442</span> * Delete a complete queue of wals associated with a replication source<a name="line.442"></a>
-<span class="sourceLineNo">443</span> * @param queueId the id of replication queue to delete<a name="line.443"></a>
-<span class="sourceLineNo">444</span> */<a name="line.444"></a>
-<span class="sourceLineNo">445</span> private void deleteQueue(String queueId) {<a name="line.445"></a>
-<span class="sourceLineNo">446</span> abortWhenFail(() -> this.queueStorage.removeQueue(server.getServerName(), queueId));<a name="line.446"></a>
-<span class="sourceLineNo">447</span> }<a name="line.447"></a>
-<span class="sourceLineNo">448</span><a name="line.448"></a>
-<span class="sourceLineNo">449</span> @FunctionalInterface<a name="line.449"></a>
-<span class="sourceLineNo">450</span> private interface ReplicationQueueOperation {<a name="line.450"></a>
-<span class="sourceLineNo">451</span> void exec() throws ReplicationException;<a name="line.451"></a>
-<span class="sourceLineNo">452</span> }<a name="line.452"></a>
-<span class="sourceLineNo">453</span><a name="line.453"></a>
-<span class="sourceLineNo">454</span> private void abortWhenFail(ReplicationQueueOperation op) {<a name="line.454"></a>
-<span class="sourceLineNo">455</span> try {<a name="line.455"></a>
-<span class="sourceLineNo">456</span> op.exec();<a name="line.456"></a>
-<span class="sourceLineNo">457</span> } catch (ReplicationException e) {<a name="line.457"></a>
-<span class="sourceLineNo">458</span> server.abort("Failed to operate on replication queue", e);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> }<a name="line.459"></a>
-<span class="sourceLineNo">460</span> }<a name="line.460"></a>
-<span class="sourceLineNo">461</span><a name="line.461"></a>
-<span class="sourceLineNo">462</span> private void throwIOExceptionWhenFail(ReplicationQueueOperation op) throws IOException {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> try {<a name="line.463"></a>
-<span class="sourceLineNo">464</span> op.exec();<a name="line.464"></a>
-<span class="sourceLineNo">465</span> } catch (ReplicationException e) {<a name="line.465"></a>
-<span class="sourceLineNo">466</span> throw new IOException(e);<a name="line.466"></a>
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-<span class="sourceLineNo">468</span> }<a name="line.468"></a>
-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> private void abortAndThrowIOExceptionWhenFail(ReplicationQueueOperation op) throws IOException {<a name="line.470"></a>
-<span class="sourceLineNo">471</span> try {<a name="line.471"></a>
-<span class="sourceLineNo">472</span> op.exec();<a name="line.472"></a>
-<span class="sourceLineNo">473</span> } catch (ReplicationException e) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> server.abort("Failed to operate on replication queue", e);<a name="line.474"></a>
-<span class="sourceLineNo">475</span> throw new IOException(e);<a name="line.475"></a>
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-<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> /**<a name="line.479"></a>
-<span class="sourceLineNo">480</span> * This method will log the current position to storage. And also clean old logs from the<a name="line.480"></a>
-<span class="sourceLineNo">481</span> * replication queue.<a name="line.481"></a>
-<span class="sourceLineNo">482</span> * @param queueId id of the replication queue<a name="line.482"></a>
-<span class="sourceLineNo">483</span> * @param queueRecovered indicates if this queue comes from another region server<a name="line.483"></a>
-<span class="sourceLineNo">484</span> * @param entryBatch the wal entry batch we just shipped<a name="line.484"></a>
-<span class="sourceLineNo">485</span> */<a name="line.485"></a>
-<span class="sourceLineNo">486</span> public void logPositionAndCleanOldLogs(String queueId, boolean queueRecovered,<a name="line.486"></a>
-<span class="sourceLineNo">487</span> WALEntryBatch entryBatch) {<a name="line.487"></a>
-<span class="sourceLineNo">488</span> String fileName = entryBatch.getLastWalPath().getName();<a name="line.488"></a>
-<span class="sourceLineNo">489</span> abortWhenFail(() -> this.queueStorage.setWALPosition(server.getServerName(), queueId, fileName,<a name="line.489"></a>
-<span class="sourceLineNo">490</span> entryBatch.getLastWalPosition(), entryBatch.getLastSeqIds()));<a name="line.490"></a>
-<span class="sourceLineNo">491</span> cleanOldLogs(fileName, entryBatch.isEndOfFile(), queueId, queueRecovered);<a name="line.491"></a>
-<span class="sourceLineNo">492</span> }<a name="line.492"></a>
-<span class="sourceLineNo">493</span><a name="line.493"></a>
-<span class="sourceLineNo">494</span> /**<a name="line.494"></a>
-<span class="sourceLineNo">495</span> * Cleans a log file and all older logs from replication queue. Called when we are sure that a log<a name="line.495"></a>
-<span class="sourceLineNo">496</span> * file is closed and has no more entries.<a name="line.496"></a>
-<span class="sourceLineNo">497</span> * @param log Path to the log<a name="line.497"></a>
-<span class="sourceLineNo">498</span> * @param inclusive whether we should also remove the given log file<a name="line.498"></a>
-<span class="sourceLineNo">499</span> * @param queueId id of the replication queue<a name="line.499"></a>
-<span class="sourceLineNo">500</span> * @param queueRecovered Whether this is a recovered queue<a name="line.500"></a>
-<span class="sourceLineNo">501</span> */<a name="line.501"></a>
-<span class="sourceLineNo">502</span> @VisibleForTesting<a name="line.502"></a>
-<span class="sourceLineNo">503</span> void cleanOldLogs(String log, boolean inclusive, String queueId, boolean queueRecovered) {<a name="line.503"></a>
-<span class="sourceLineNo">504</span> String logPrefix = AbstractFSWALProvider.getWALPrefixFromWALName(log);<a name="line.504"></a>
-<span class="sourceLineNo">505</span> if (queueRecovered) {<a name="line.505"></a>
-<span class="sourceLineNo">506</span> NavigableSet<String> wals = walsByIdRecoveredQueues.get(queueId).get(logPrefix);<a name="line.506"></a>
-<span class="sourceLineNo">507</span> if (wals != null) {<a name="line.507"></a>
-<span class="sourceLineNo">508</span> cleanOldLogs(wals, log, inclusive, queueId);<a name="line.508"></a>
-<span class="sourceLineNo">509</span> }<a name="line.509"></a>
-<span class="sourceLineNo">510</span> } else {<a name="line.510"></a>
-<span class="sourceLineNo">511</span> // synchronized on walsById to avoid race with preLogRoll<a name="line.511"></a>
-<span class="sourceLineNo">512</span> synchronized (this.walsById) {<a name="line.512"></a>
-<span class="sourceLineNo">513</span> NavigableSet<String> wals = walsById.get(queueId).get(logPrefix);<a name="line.513"></a>
-<span class="sourceLineNo">514</span> if (wals != null) {<a name="line.514"></a>
-<span class="sourceLineNo">515</span> cleanOldLogs(wals, log, inclusive, queueId);<a name="line.515"></a>
-<span class="sourceLineNo">516</span> }<a name="line.516"></a>
-<span class="sourceLineNo">517</span> }<a name="line.517"></a>
-<span class="sourceLineNo">518</span> }<a name="line.518"></a>
-<span class="sourceLineNo">519</span> }<a name="line.519"></a>
-<span class="sourceLineNo">520</span><a name="line.520"></a>
-<span class="sourceLineNo">521</span> private void cleanOldLogs(NavigableSet<String> wals, String key, boolean inclusive, String id) {<a name="line.521"></a>
-<span class="sourceLineNo">522</span> NavigableSet<String> walSet = wals.headSet(key, inclusive);<a name="line.522"></a>
-<span class="sourceLineNo">523</span> if (walSet.isEmpty()) {<a name="line.523"></a>
-<span class="sourceLineNo">524</span> return;<a name="line.524"></a>
-<span class="sourceLineNo">525</span> }<a name="line.525"></a>
-<span class="sourceLineNo">526</span> LOG.debug("Removing {} logs in the list: {}", walSet.size(), walSet);<a name="line.526"></a>
-<span class="sourceLineNo">527</span> for (String wal : walSet) {<a name="line.527"></a>
-<span class="sourceLineNo">528</span> abortWhenFail(() -> this.queueStorage.removeWAL(server.getServerName(), id, wal));<a name="line.528"></a>
-<span class="sourceLineNo">529</span> }<a name="line.529"></a>
-<span class="sourceLineNo">530</span> walSet.clear();<a name="line.530"></a>
-<span class="sourceLineNo">531</span> }<a name="line.531"></a>
-<span class="sourceLineNo">532</span><a name="line.532"></a>
-<span class="sourceLineNo">533</span> // public because of we call it in TestReplicationEmptyWALRecovery<a name="line.533"></a>
-<span class="sourceLineNo">534</span> @VisibleForTesting<a name="line.534"></a>
-<span class="sourceLineNo">535</span> public void preLogRoll(Path newLog) throws IOException {<a name="line.535"></a>
-<span class="sourceLineNo">536</span> String logName = newLog.getName();<a name="line.536"></a>
-<span class="sourceLineNo">537</span> String logPrefix = AbstractFSWALProvider.getWALPrefixFromWALName(logName);<a name="line.537"></a>
-<span class="sourceLineNo">538</span> // synchronized on latestPaths to avoid the new open source miss the new log<a name="line.538"></a>
-<span class="sourceLineNo">539</span> synchronized (this.latestPaths) {<a name="line.539"></a>
-<span class="sourceLineNo">540</span> // Add log to queue storage<a name="line.540"></a>
-<span class="sourceLineNo">541</span> for (ReplicationSourceInterface source : this.sources.values()) {<a name="line.541"></a>
-<span class="sourceLineNo">542</span> // If record log to queue storage failed, abort RS and throw exception to make log roll<a name="line.542"></a>
-<span class="sourceLineNo">543</span> // failed<a name="line.543"></a>
-<span class="sourceLineNo">544</span> abortAndThrowIOExceptionWhenFail(<a name="line.544"></a>
-<span class="sourceLineNo">545</span> () -> this.queueStorage.addWAL(server.getServerName(), source.getQueueId(), logName));<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> // synchronized on walsById to avoid race with cleanOldLogs<a name="line.548"></a>
-<span class="sourceLineNo">549</span> synchronized (this.walsById) {<a name="line.549"></a>
-<span class="sourceLineNo">550</span> // Update walsById map<a name="line.550"></a>
-<span class="sourceLineNo">551</span> for (Map.Entry<String, Map<String, NavigableSet<String>>> entry : this.walsById<a name="line.551"></a>
-<span class="sourceLineNo">552</span> .entrySet()) {<a name="line.552"></a>
-<span class="sourceLineNo">553</span> String peerId = entry.getKey();<a name="line.553"></a>
-<span class="sourceLineNo">554</span> Map<String, NavigableSet<String>> walsByPrefix = entry.getValue();<a name="line.554"></a>
-<span class="sourceLineNo">555</span> boolean existingPrefix = false;<a name="line.555"></a>
-<span class="sourceLineNo">556</span> for (Map.Entry<String, NavigableSet<String>> walsEntry : walsByPrefix.entrySet()) {<a name="line.556"></a>
-<span class="sourceLineNo">557</span> SortedSet<String> wals = walsEntry.getValue();<a name="line.557"></a>
-<span class="sourceLineNo">558</span> if (this.sources.isEmpty()) {<a name="line.558"></a>
-<span class="sourceLineNo">559</span> // If there's no slaves, don't need to keep the old wals since<a name="line.559"></a>
-<span class="sourceLineNo">560</span> // we only consider the last one when a new slave comes in<a name="line.560"></a>
-<span class="sourceLineNo">561</span> wals.clear();<a name="line.561"></a>
-<span class="sourceLineNo">562</span> }<a name="line.562"></a>
-<span class="sourceLineNo">563</span> if (logPrefix.equals(walsEntry.getKey())) {<a name="line.563"></a>
-<span class="sourceLineNo">564</span> wals.add(logName);<a name="line.564"></a>
-<span class="sourceLineNo">565</span> existingPrefix = true;<a name="line.565"></a>
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-<span class="sourceLineNo">568</span> if (!existingPrefix) {<a name="line.568"></a>
-<span class="sourceLineNo">569</span> // The new log belongs to a new group, add it into this peer<a name="line.569"></a>
-<span class="sourceLineNo">570</span> LOG.debug("Start tracking logs for wal group {} for peer {}", logPrefix, peerId);<a name="line.570"></a>
-<span class="sourceLineNo">571</span> NavigableSet<String> wals = new TreeSet<>();<a name="line.571"></a>
-<span class="sourceLineNo">572</span> wals.add(logName);<a name="line.572"></a>
-<span class="sourceLineNo">573</span> walsByPrefix.put(logPrefix, wals);<a name="line.573"></a>
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-<span class="sourceLineNo">575</span> }<a name="line.575"></a>
-<span class="sourceLineNo">576</span> }<a name="line.576"></a>
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-<span class="sourceLineNo">578</span> // Add to latestPaths<a name="line.578"></a>
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-<span class="sourceLineNo">580</span> while (iterator.hasNext()) {<a name="line.580"></a>
-<span class="sourceLineNo">581</span> Path path = iterator.next();<a name="line.581"></a>
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-<span class="sourceLineNo">595</span> for (ReplicationSourceInterface source : this.sources.values()) {<a name="line.595"></a>
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-<span class="sourceLineNo">620</span> LOG.info("Cancelling the transfer of " + deadRS + " because of " + ex.getMessage());<a name="line.620"></a>
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-<span class="sourceLineNo">632</span> // the RecoveredReplicationSource if the peer has been removed. but there's possible that<a name="line.632"></a>
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-<span class="sourceLineNo">634</span> // NodeFailoverWorker. So we need a deep copied <peerId, peer> map to decide whether we<a name="line.634"></a>
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-<span class="sourceLineNo">637</span> // the rs will abort (See HBASE-20475).<a name="line.637"></a>
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-<span class="sourceLineNo">644</span> peersSnapshot = new HashMap<>(replicationPeers.getPeerCache());<a name="line.644"></a>
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-<span class="sourceLineNo">649</span> return oldPeerRef != null && oldPeerRef == newPeerRef;<a name="line.649"></a>
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