pnowojski commented on a change in pull request #11687: [FLINK-16536][network][checkpointing] Implement InputChannel state recovery for unaligned checkpoint URL: https://github.com/apache/flink/pull/11687#discussion_r409415021
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java ########## @@ -149,6 +149,47 @@ void assignExclusiveSegments() throws IOException { } } + @Override + public void initializeState(ChannelStateReader reader) throws IOException, InterruptedException { + numRequiredBuffers = initialCredit + inputGate.getBufferPool().getMaxNumberOfMemorySegments(); + unannouncedCredit.set(initialCredit); + + while (true) { + Buffer buffer; + synchronized (bufferQueue) { + buffer = bufferQueue.takeBuffer(); + if (buffer == null) { + if (isReleased()) { + return; + } + + if (!isWaitingForFloatingBuffers) { + buffer = inputGate.getBufferPool().requestBuffer(); + if (buffer == null) { + inputGate.getBufferProvider().addBufferListener(this); + isWaitingForFloatingBuffers = true; + } + } + } + } + + if (buffer == null) { + wait(10); Review comment: Oh, I missed that we are already using a separate thread pool. In that case we don't need the not blocking option now. It would be still good to get rid of timed wait in favour of some notifications though. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services