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HBASE-22731 ReplicationSource and HBaseInterClusterReplicationEndpoin…
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…t log messages should include a target Peer identifier

Signed-off-by: Peter Somogyi <psomogyi@apache.org>
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@wchevreuil
wchevreuil committed Aug 7, 2019
1 parent 041df8c commit 46d0e5a
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Showing 2 changed files with 76 additions and 38 deletions.
54 changes: 35 additions & 19 deletions ...rg/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -199,11 +199,14 @@ private void connectToPeers() {
protected boolean sleepForRetries(String msg, int sleepMultiplier) {
try {
if (LOG.isTraceEnabled()) {
LOG.trace(msg + ", sleeping " + sleepForRetries + " times " + sleepMultiplier);
LOG.trace("{} {}, sleeping {} times {}",
logPeerId(), msg, sleepForRetries, sleepMultiplier);
}
Thread.sleep(this.sleepForRetries * sleepMultiplier);
} catch (InterruptedException e) {
LOG.debug("Interrupted while sleeping between retries");
if (LOG.isDebugEnabled()) {
LOG.debug("{} Interrupted while sleeping between retries", logPeerId());
}
}
return sleepMultiplier < maxRetriesMultiplier;
}
Expand Down Expand Up @@ -288,7 +291,7 @@ private void reconnectToPeerCluster() {
try {
connection = (ClusterConnection) ConnectionFactory.createConnection(this.conf);
} catch (IOException ioe) {
LOG.warn("Failed to create connection for peer cluster", ioe);
LOG.warn("{} Failed to create connection for peer cluster", logPeerId(), ioe);
}
if (connection != null) {
this.conn = connection;
Expand All @@ -301,8 +304,10 @@ private long parallelReplicate(CompletionService<Integer> pool, ReplicateContext
for (int i = 0; i < batches.size(); i++) {
List<Entry> entries = batches.get(i);
if (!entries.isEmpty()) {
LOG.trace("Submitting {} entries of total size {}", entries.size(),
replicateContext.getSize());
if (LOG.isTraceEnabled()) {
LOG.trace("{} Submitting {} entries of total size {}", logPeerId(), entries.size(),
replicateContext.getSize());
}
// RuntimeExceptions encountered here bubble up and are handled in ReplicationSource
pool.submit(createReplicator(entries, i));
futures++;
Expand Down Expand Up @@ -354,8 +359,8 @@ public boolean replicate(ReplicateContext replicateContext) {

int numSinks = replicationSinkMgr.getNumSinks();
if (numSinks == 0) {
LOG.warn("No replication sinks found, returning without replicating. The source should " +
"retry with the same set of edits.");
LOG.warn("{} No replication sinks found, returning without replicating. "
+ "The source should retry with the same set of edits.", logPeerId());
return false;
}

Expand Down Expand Up @@ -386,7 +391,8 @@ public boolean replicate(ReplicateContext replicateContext) {
this.metrics.refreshAgeOfLastShippedOp(walGroupId);
if (ioe instanceof RemoteException) {
ioe = ((RemoteException) ioe).unwrapRemoteException();
LOG.warn("Can't replicate because of an error on the remote cluster: ", ioe);
LOG.warn("{} Can't replicate because of an error on the remote cluster: ",
logPeerId(), ioe);
if (ioe instanceof TableNotFoundException) {
if (dropOnDeletedTables) {
// this is a bit fragile, but cannot change how TNFE is serialized
Expand All @@ -399,19 +405,20 @@ public boolean replicate(ReplicateContext replicateContext) {
// Would potentially be better to retry in one of the outer loops
// and add a table filter there; but that would break the encapsulation,
// so we're doing the filtering here.
LOG.info("Missing table detected at sink, local table also does not exist, " +
"filtering edits for '" + table + "'");
LOG.info("{} Missing table detected at sink, local table also does not "
+ "exist, filtering edits for '{}'", logPeerId(), table);
batches = filterBatches(batches, table);
continue;
}
} catch (IOException iox) {
LOG.warn("Exception checking for local table: ", iox);
LOG.warn("{} Exception checking for local table: ", logPeerId(), iox);
}
}
}
// fall through and sleep below
} else {
LOG.warn("Peer encountered RemoteException, rechecking all sinks: ", ioe);
LOG.warn("{} Peer encountered RemoteException, rechecking all sinks: ", logPeerId(),
ioe);
replicationSinkMgr.chooseSinks();
}
} else {
Expand All @@ -424,10 +431,10 @@ public boolean replicate(ReplicateContext replicateContext) {
"caused by a machine failure or a massive slowdown",
this.socketTimeoutMultiplier);
} else if (ioe instanceof ConnectException || ioe instanceof UnknownHostException) {
LOG.warn("Peer is unavailable, rechecking all sinks: ", ioe);
LOG.warn("{} Peer is unavailable, rechecking all sinks: ", logPeerId(), ioe);
replicationSinkMgr.chooseSinks();
} else {
LOG.warn("Can't replicate because of a local or network error: ", ioe);
LOG.warn("{} Can't replicate because of a local or network error: ", logPeerId(), ioe);
}
}
if (sleepForRetries("Since we are unable to replicate", sleepMultiplier)) {
Expand All @@ -450,7 +457,7 @@ protected void doStop() {
this.conn.close();
this.conn = null;
} catch (IOException e) {
LOG.warn("Failed to close the connection");
LOG.warn("{} Failed to close the connection", logPeerId());
}
}
// Allow currently running replication tasks to finish
Expand All @@ -476,17 +483,21 @@ protected int replicateEntries(List<Entry> entries, int batchIndex) throws IOExc
int entriesHashCode = System.identityHashCode(entries);
if (LOG.isTraceEnabled()) {
long size = entries.stream().mapToLong(this::getEstimatedEntrySize).sum();
LOG.trace("Replicating batch {} of {} entries with total size {} bytes to {}",
entriesHashCode, entries.size(), size, replicationClusterId);
LOG.trace("{} Replicating batch {} of {} entries with total size {} bytes to {}",
logPeerId(), entriesHashCode, entries.size(), size, replicationClusterId);
}
sinkPeer = replicationSinkMgr.getReplicationSink();
BlockingInterface rrs = sinkPeer.getRegionServer();
try {
ReplicationProtbufUtil.replicateWALEntry(rrs, entries.toArray(new Entry[entries.size()]),
replicationClusterId, baseNamespaceDir, hfileArchiveDir);
LOG.trace("Completed replicating batch {}", entriesHashCode);
if (LOG.isTraceEnabled()) {
LOG.trace("{} Completed replicating batch {}", logPeerId(), entriesHashCode);
}
} catch (IOException e) {
LOG.trace("Failed replicating batch {}", entriesHashCode, e);
if (LOG.isTraceEnabled()) {
LOG.trace("{} Failed replicating batch {}", logPeerId(), entriesHashCode, e);
}
throw e;
}
replicationSinkMgr.reportSinkSuccess(sinkPeer);
Expand Down Expand Up @@ -524,4 +535,9 @@ protected Callable<Integer> createReplicator(List<Entry> entries, int batchIndex
return isSerial ? () -> serialReplicateRegionEntries(entries, batchIndex)
: () -> replicateEntries(entries, batchIndex);
}

private String logPeerId(){
return "[Source for peer " + this.ctx.getPeerId() + "]:";
}

}
60 changes: 41 additions & 19 deletions ...ver/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,10 @@ public void enqueueLog(Path log) {
}
}
queue.put(log);
if (LOG.isTraceEnabled()) {
LOG.trace("{} Added log file {} to queue of source {}.", logPeerId(), logPrefix,
this.replicationQueueInfo.getQueueId());
}
this.metrics.incrSizeOfLogQueue();
// This will log a warning for each new log that gets created above the warn threshold
int queueSize = queue.size();
Expand All @@ -227,8 +231,8 @@ public void addHFileRefs(TableName tableName, byte[] family, List<Pair<Path, Pat
this.queueStorage.addHFileRefs(peerId, pairs);
metrics.incrSizeOfHFileRefsQueue(pairs.size());
} else {
LOG.debug("HFiles will not be replicated belonging to the table " + tableName + " family "
+ Bytes.toString(family) + " to peer id " + peerId);
LOG.debug("HFiles will not be replicated belonging to the table {} family {} to peer id {}",
tableName, Bytes.toString(family), peerId);
}
} else {
// user has explicitly not defined any table cfs for replication, means replicate all the
Expand Down Expand Up @@ -300,9 +304,14 @@ private void tryStartNewShipper(String walGroupId, PriorityBlockingQueue<Path> q
ReplicationSourceShipper worker = createNewShipper(walGroupId, queue);
ReplicationSourceShipper extant = workerThreads.putIfAbsent(walGroupId, worker);
if (extant != null) {
LOG.debug("Someone has beat us to start a worker thread for wal group {}", walGroupId);
if(LOG.isDebugEnabled()) {
LOG.debug("{} Someone has beat us to start a worker thread for wal group {}", logPeerId(),
walGroupId);
}
} else {
LOG.debug("Starting up worker for wal group {}", walGroupId);
if(LOG.isDebugEnabled()) {
LOG.debug("{} Starting up worker for wal group {}", logPeerId(), walGroupId);
}
ReplicationSourceWALReader walReader =
createNewWALReader(walGroupId, queue, worker.getStartPosition());
Threads.setDaemonThreadRunning(walReader, Thread.currentThread().getName() +
Expand Down Expand Up @@ -334,7 +343,7 @@ public Map<String, ReplicationStatus> getWalGroupStatus() {
}
} else {
currentPath = new Path("NO_LOGS_IN_QUEUE");
LOG.warn("No replication ongoing, waiting for new log");
LOG.warn("{} No replication ongoing, waiting for new log", logPeerId());
}
ReplicationStatus.ReplicationStatusBuilder statusBuilder = ReplicationStatus.newBuilder();
statusBuilder.withPeerId(this.getPeerId())
Expand Down Expand Up @@ -375,7 +384,8 @@ private ReplicationSourceWALReader createNewWALReader(String walGroupId,

protected final void uncaughtException(Thread t, Throwable e) {
RSRpcServices.exitIfOOME(e);
LOG.error("Unexpected exception in " + t.getName() + " currentPath=" + getCurrentPath(), e);
LOG.error("Unexpected exception in {} currentPath={}",
t.getName(), getCurrentPath(), e);
server.abort("Unexpected exception in " + t.getName(), e);
}

Expand All @@ -396,7 +406,7 @@ public void tryThrottle(int batchSize) throws InterruptedException {
long sleepTicks = throttler.getNextSleepInterval(batchSize);
if (sleepTicks > 0) {
if (LOG.isTraceEnabled()) {
LOG.trace("To sleep " + sleepTicks + "ms for throttling control");
LOG.trace("{} To sleep {}ms for throttling control", logPeerId(), sleepTicks);
}
Thread.sleep(sleepTicks);
// reset throttler's cycle start tick when sleep for throttling occurs
Expand Down Expand Up @@ -430,11 +440,14 @@ private long getCurrentBandwidth() {
protected boolean sleepForRetries(String msg, int sleepMultiplier) {
try {
if (LOG.isTraceEnabled()) {
LOG.trace(msg + ", sleeping " + sleepForRetries + " times " + sleepMultiplier);
LOG.trace("{} {}, sleeping {} times {}",
logPeerId(), msg, sleepForRetries, sleepMultiplier);
}
Thread.sleep(this.sleepForRetries * sleepMultiplier);
} catch (InterruptedException e) {
LOG.debug("Interrupted while sleeping between retries");
if(LOG.isDebugEnabled()) {
LOG.debug("{} Interrupted while sleeping between retries", logPeerId());
}
Thread.currentThread().interrupt();
}
return sleepMultiplier < maxRetriesMultiplier;
Expand All @@ -456,7 +469,7 @@ private void initialize() {
try {
replicationEndpoint = createReplicationEndpoint();
} catch (Exception e) {
LOG.warn("error creating ReplicationEndpoint, retry", e);
LOG.warn("{} error creating ReplicationEndpoint, retry", logPeerId(), e);
if (sleepForRetries("Error creating ReplicationEndpoint", sleepMultiplier)) {
sleepMultiplier++;
}
Expand All @@ -468,7 +481,7 @@ private void initialize() {
this.replicationEndpoint = replicationEndpoint;
break;
} catch (Exception e) {
LOG.warn("Error starting ReplicationEndpoint, retry", e);
LOG.warn("{} Error starting ReplicationEndpoint, retry", logPeerId(), e);
replicationEndpoint.stop();
if (sleepForRetries("Error starting ReplicationEndpoint", sleepMultiplier)) {
sleepMultiplier++;
Expand All @@ -486,6 +499,10 @@ private void initialize() {
for (;;) {
peerClusterId = replicationEndpoint.getPeerUUID();
if (this.isSourceActive() && peerClusterId == null) {
if(LOG.isDebugEnabled()) {
LOG.debug("{} Could not connect to Peer ZK. Sleeping for {} millis", logPeerId(),
(this.sleepForRetries * sleepMultiplier));
}
if (sleepForRetries("Cannot contact the peer's zk ensemble", sleepMultiplier)) {
sleepMultiplier++;
}
Expand All @@ -503,7 +520,8 @@ private void initialize() {
this.manager.removeSource(this);
return;
}
LOG.info("Replicating " + clusterId + " -> " + peerClusterId);
LOG.info("{} Source: {}, is now replicating from cluster: {}; to peer cluster: {};",
logPeerId(), this.replicationQueueInfo.getQueueId(), clusterId, peerClusterId);

initializeWALEntryFilter(peerClusterId);
// start workers
Expand Down Expand Up @@ -536,10 +554,10 @@ public void terminate(String reason, Exception cause) {

public void terminate(String reason, Exception cause, boolean join) {
if (cause == null) {
LOG.info("Closing source " + this.queueId + " because: " + reason);
LOG.info("{} Closing source {} because: {}", logPeerId(), this.queueId, reason);
} else {
LOG.error("Closing source " + this.queueId + " because an error occurred: " + reason,
cause);
LOG.error("{} Closing source {} because an error occurred: {}",
logPeerId(), this.queueId, reason, cause);
}
this.sourceRunning = false;
if (initThread != null && Thread.currentThread() != initThread) {
Expand All @@ -561,7 +579,7 @@ public void terminate(String reason, Exception cause, boolean join) {
// Wait worker to stop
Thread.sleep(this.sleepForRetries);
} catch (InterruptedException e) {
LOG.info("Interrupted while waiting " + worker.getName() + " to stop");
LOG.info("{} Interrupted while waiting {} to stop", logPeerId(), worker.getName());
Thread.currentThread().interrupt();
}
// If worker still is alive after waiting, interrupt it
Expand All @@ -581,15 +599,15 @@ public void terminate(String reason, Exception cause, boolean join) {
if (join) {
for (ReplicationSourceShipper worker : workers) {
Threads.shutdown(worker, this.sleepForRetries);
LOG.info("ReplicationSourceWorker " + worker.getName() + " terminated");
LOG.info("{} ReplicationSourceWorker {} terminated", logPeerId(), worker.getName());
}
if (this.replicationEndpoint != null) {
try {
this.replicationEndpoint.awaitTerminated(sleepForRetries * maxRetriesMultiplier,
TimeUnit.MILLISECONDS);
} catch (TimeoutException te) {
LOG.warn("Got exception while waiting for endpoint to shutdown for replication source :" +
this.queueId, te);
LOG.warn("{} Got exception while waiting for endpoint to shutdown "
+ "for replication source : {}", logPeerId(), this.queueId, te);
}
}
}
Expand Down Expand Up @@ -697,4 +715,8 @@ Server getServer() {
ReplicationQueueStorage getQueueStorage() {
return queueStorage;
}

private String logPeerId(){
return "[Source for peer " + this.getPeerId() + "]:";
}
}

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