zentol commented on a change in pull request #9960: [FLINK-14476] Extend
PartitionTracker to support promotions
URL: https://github.com/apache/flink/pull/9960#discussion_r339105173
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PartitionTrackerImpl.java
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@@ -122,6 +122,27 @@ public void
stopTrackingAndReleasePartitionsFor(ResourceID producingTaskExecutor
stopTrackingAndReleasePartitions(resultPartitionIds);
}
+ @Override
+ public void stopTrackingAndReleaseOrPromotePartitionsFor(ResourceID
producingTaskExecutorId) {
+ Preconditions.checkNotNull(producingTaskExecutorId);
+
+ // this is a bit icky since we make 2 calls to
pT#stopTrackingPartitions
+ Collection<ResultPartitionID> resultPartitionIds =
partitionTable.stopTrackingPartitions(producingTaskExecutorId);
+
+ // stop tracking partitions to be released and group them by
task executor ID
+ Map<ResourceID, List<ResultPartitionDeploymentDescriptor>>
partitionsToReleaseOrPromoteByResourceId = resultPartitionIds.stream()
+ .map(this::internalStopTrackingPartition)
+ .filter(Optional::isPresent)
+ .map(Optional::get)
+ .collect(Collectors.groupingBy(
Review comment:
yes, we can simplify this implementation rather significantly.
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