@Override
public void fetchFailed(
String host, InputAttemptIdentifier srcAttemptIdentifier, boolean connectFailed) {
// TODO NEWTEZ. Implement logic to report fetch failures after a threshold.
// For now, reporting immediately.
LOG.info(
"Fetch failed for src: "
+ srcAttemptIdentifier
+ "InputIdentifier: "
+ srcAttemptIdentifier
+ ", connectFailed: "
+ connectFailed);
failedShufflesCounter.increment(1);
if (srcAttemptIdentifier == null) {
String message = "Received fetchFailure for an unknown src (null)";
LOG.fatal(message);
inputContext.fatalError(null, message);
} else {
InputReadErrorEvent readError =
new InputReadErrorEvent(
"Fetch failure while fetching from "
+ TezRuntimeUtils.getTaskAttemptIdentifier(
inputContext.getSourceVertexName(),
srcAttemptIdentifier.getInputIdentifier().getInputIndex(),
srcAttemptIdentifier.getAttemptNumber()),
srcAttemptIdentifier.getInputIdentifier().getInputIndex(),
srcAttemptIdentifier.getAttemptNumber());
List<Event> failedEvents = Lists.newArrayListWithCapacity(1);
failedEvents.add(readError);
inputContext.sendEvents(failedEvents);
}
}
private void registerCompletedInput(FetchedInput fetchedInput) {
lock.lock();
try {
completedInputSet.add(fetchedInput.getInputAttemptIdentifier().getInputIdentifier());
completedInputs.add(fetchedInput);
if (!inputReadyNotificationSent.getAndSet(true)) {
// TODO Should eventually be controlled by Inputs which are processing the data.
inputContext.inputIsReady();
}
int numComplete = numCompletedInputs.incrementAndGet();
if (numComplete == numInputs) {
LOG.info("All inputs fetched for input vertex : " + inputContext.getSourceVertexName());
}
} finally {
lock.unlock();
}
}
public ShuffleManager(
TezInputContext inputContext,
Configuration conf,
int numInputs,
int bufferSize,
boolean ifileReadAheadEnabled,
int ifileReadAheadLength,
CompressionCodec codec,
FetchedInputAllocator inputAllocator)
throws IOException {
this.inputContext = inputContext;
this.numInputs = numInputs;
this.shuffledInputsCounter =
inputContext.getCounters().findCounter(TaskCounter.NUM_SHUFFLED_INPUTS);
this.failedShufflesCounter =
inputContext.getCounters().findCounter(TaskCounter.NUM_FAILED_SHUFFLE_INPUTS);
this.bytesShuffledCounter = inputContext.getCounters().findCounter(TaskCounter.SHUFFLE_BYTES);
this.decompressedDataSizeCounter =
inputContext.getCounters().findCounter(TaskCounter.SHUFFLE_BYTES_DECOMPRESSED);
this.bytesShuffledToDiskCounter =
inputContext.getCounters().findCounter(TaskCounter.SHUFFLE_BYTES_TO_DISK);
this.bytesShuffledToMemCounter =
inputContext.getCounters().findCounter(TaskCounter.SHUFFLE_BYTES_TO_MEM);
this.ifileBufferSize = bufferSize;
this.ifileReadAhead = ifileReadAheadEnabled;
this.ifileReadAheadLength = ifileReadAheadLength;
this.codec = codec;
this.inputManager = inputAllocator;
this.srcNameTrimmed = TezUtils.cleanVertexName(inputContext.getSourceVertexName());
completedInputSet =
Collections.newSetFromMap(new ConcurrentHashMap<InputIdentifier, Boolean>(numInputs));
completedInputs = new LinkedBlockingQueue<FetchedInput>(numInputs);
knownSrcHosts = new ConcurrentHashMap<String, InputHost>();
pendingHosts = new LinkedBlockingQueue<InputHost>();
obsoletedInputs =
Collections.newSetFromMap(new ConcurrentHashMap<InputAttemptIdentifier, Boolean>());
runningFetchers = Collections.newSetFromMap(new ConcurrentHashMap<Fetcher, Boolean>());
int maxConfiguredFetchers =
conf.getInt(
TezJobConfig.TEZ_RUNTIME_SHUFFLE_PARALLEL_COPIES,
TezJobConfig.TEZ_RUNTIME_SHUFFLE_PARALLEL_COPIES_DEFAULT);
this.numFetchers = Math.min(maxConfiguredFetchers, numInputs);
ExecutorService fetcherRawExecutor =
Executors.newFixedThreadPool(
numFetchers,
new ThreadFactoryBuilder()
.setDaemon(true)
.setNameFormat("Fetcher [" + srcNameTrimmed + "] #%d")
.build());
this.fetcherExecutor = MoreExecutors.listeningDecorator(fetcherRawExecutor);
ExecutorService schedulerRawExecutor =
Executors.newFixedThreadPool(
1,
new ThreadFactoryBuilder()
.setDaemon(true)
.setNameFormat("ShuffleRunner [" + srcNameTrimmed + "]")
.build());
this.schedulerExecutor = MoreExecutors.listeningDecorator(schedulerRawExecutor);
this.startTime = System.currentTimeMillis();
this.lastProgressTime = startTime;
this.shuffleSecret =
ShuffleUtils.getJobTokenSecretFromTokenBytes(
inputContext.getServiceConsumerMetaData(
TezConfiguration.TEZ_SHUFFLE_HANDLER_SERVICE_ID));
httpConnectionParams = ShuffleUtils.constructHttpShuffleConnectionParams(conf);
LOG.info(
this.getClass().getSimpleName()
+ " : numInputs="
+ numInputs
+ ", compressionCodec="
+ (codec == null ? "NoCompressionCodec" : codec.getClass().getName())
+ ", numFetchers="
+ numFetchers
+ ", ifileBufferSize="
+ ifileBufferSize
+ ", ifileReadAheadEnabled="
+ ifileReadAhead
+ ", ifileReadAheadLength="
+ ifileReadAheadLength
+ ", "
+ httpConnectionParams.toString());
}
