private void processSpilledBacklog() throws HyracksDataException {
try {
Iterator<ByteBuffer> backlog = spiller.replayData();
while (backlog.hasNext()) {
process(backlog.next());
nProcessed++;
}
DataBucket bucket = pool.getDataBucket();
bucket.setContentType(ContentType.EOSD);
bucket.setDesiredReadCount(1);
mBuffer.sendMessage(bucket);
spiller.reset();
} catch (Exception e) {
e.printStackTrace();
throw new HyracksDataException(e);
}
}
private void processBufferredBacklog() throws HyracksDataException {
try {
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.info("Processing backlog " + this.runtimeId);
}
if (frameCollection != null) {
Iterator<ByteBuffer> backlog = frameCollection.getFrameCollectionIterator();
while (backlog.hasNext()) {
process(backlog.next());
nProcessed++;
}
DataBucket bucket = pool.getDataBucket();
bucket.setContentType(ContentType.EOSD);
bucket.setDesiredReadCount(1);
mBuffer.sendMessage(bucket);
feedManager.getFeedMemoryManager().releaseMemoryComponent(frameCollection);
frameCollection = null;
}
} catch (Exception e) {
e.printStackTrace();
throw new HyracksDataException(e);
}
}
protected void process(ByteBuffer frame) throws HyracksDataException {
boolean frameProcessed = false;
while (!frameProcessed) {
try {
if (!bufferingEnabled) {
coreOperator.nextFrame(frame); // synchronous
mBuffer.sendReport(frame);
} else {
DataBucket bucket = pool.getDataBucket();
if (bucket != null) {
if (frame != null) {
bucket.reset(frame); // created a copy here
bucket.setContentType(ContentType.DATA);
} else {
bucket.setContentType(ContentType.EOD);
}
bucket.setDesiredReadCount(1);
mBuffer.sendMessage(bucket);
mBuffer.sendReport(frame);
nProcessed++;
} else {
if (fpa.spillToDiskOnCongestion()) {
if (frame != null) {
boolean spilled = spiller.processMessage(frame);
if (spilled) {
setMode(Mode.SPILL);
} else {
reportUnresolvableCongestion();
}
}
} else if (fpa.discardOnCongestion()) {
boolean discarded = discarder.processMessage(frame);
if (!discarded) {
reportUnresolvableCongestion();
}
} else if (fpa.throttlingEnabled()) {
setThrottlingEnabled(true);
} else {
reportUnresolvableCongestion();
}
}
}
frameProcessed = true;
} catch (Exception e) {
if (feedPolicyAccessor.continueOnSoftFailure()) {
frame = exceptionHandler.handleException(e, frame);
if (frame == null) {
frameProcessed = true;
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(
"Encountered exception! "
+ e.getMessage()
+ "Insufficient information, Cannot extract failing tuple");
}
}
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(
"Ingestion policy does not require recovering from tuple. Feed would terminate");
}
mBuffer.close(false);
throw new HyracksDataException(e);
}
}
}
}