tillrohrmann commented on a change in pull request #9960: [FLINK-14476] Extend PartitionTracker to support promotions URL: https://github.com/apache/flink/pull/9960#discussion_r340536894
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PartitionTrackerImpl.java ########## @@ -173,12 +199,69 @@ private void internalReleasePartitionsOnTaskExecutor( } } - private void internalReleasePartitionsOnShuffleMaster(Collection<ResultPartitionDeploymentDescriptor> partitionDeploymentDescriptors) { - partitionDeploymentDescriptors.stream() + private void internalReleaseOrPromotePartitionsOnTaskExecutor( + ResourceID potentialPartitionLocation, + Collection<ResultPartitionDeploymentDescriptor> partitionDeploymentDescriptors) { + + final Set<ResultPartitionID> partitionsRequiringRpcReleaseCalls = + getPartitionsToReleaseOrPromote( + partitionDeploymentDescriptors, + filterByPersistence(false)); + + final Set<ResultPartitionID> partitionsRequiringRpcPromoteCalls = + getPartitionsToReleaseOrPromote( + partitionDeploymentDescriptors, + filterByPersistence(true)); + + if (!partitionsRequiringRpcReleaseCalls.isEmpty() || !partitionsRequiringRpcPromoteCalls.isEmpty()) { + taskExecutorGatewayLookup + .lookup(potentialPartitionLocation) + .ifPresent(taskExecutorGateway -> + taskExecutorGateway.releaseOrPromotePartitions(jobId, partitionsRequiringRpcReleaseCalls, partitionsRequiringRpcPromoteCalls)); + } + } + + private static Set<ResultPartitionID> getPartitionsToReleaseOrPromote( + Collection<ResultPartitionDeploymentDescriptor> partitionDeploymentDescriptors, + Predicate<ResultPartitionDeploymentDescriptor> persistenceFilter) { + + return partitionDeploymentDescriptors.stream() + .filter(PartitionTrackerImpl::excludePartitionsWithoutLocalResources) + .filter(persistenceFilter) + .map(PartitionTrackerImpl::getResultPartitionId) + .collect(Collectors.toSet()); + } + + private void internalReleasePartitionsOnShuffleMaster(Stream<ResultPartitionDeploymentDescriptor> partitionDeploymentDescriptors) { + partitionDeploymentDescriptors .map(ResultPartitionDeploymentDescriptor::getShuffleDescriptor) .forEach(shuffleMaster::releasePartitionExternally); } + private static <X> Stream<X> asStream(Optional<X> optional) { + if (optional.isPresent()) { + return Stream.of(optional.get()); + } else { + return Stream.empty(); + } + } Review comment: Shall we make this an utility for other components as well? We could add `OptionalUtils` to `flink-core`. ---------------------------------------------------------------- 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