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_r340537281
##########
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();
+ }
+ }
+
+ private static boolean
excludePartitionsWithoutLocalResources(ResultPartitionDeploymentDescriptor
resultPartitionDeploymentDescriptor) {
Review comment:
```suggestion
private static boolean
isPartitionWithLocalResources(ResultPartitionDeploymentDescriptor
resultPartitionDeploymentDescriptor) {
```
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