tillrohrmann commented on a change in pull request #10362:
[FLINK-14792][coordination] Implement TE cluster partition release
URL: https://github.com/apache/flink/pull/10362#discussion_r397874560
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/TaskExecutorPartitionTrackerImpl.java
##########
@@ -66,41 +72,67 @@ public void stopTrackingAndReleaseJobPartitionsFor(JobID
producingJobId) {
@Override
public void promoteJobPartitions(Collection<ResultPartitionID>
partitionsToPromote) {
+ if (partitionsToPromote.isEmpty()) {
+ return;
+ }
+
final Collection<PartitionTrackerEntry<JobID,
TaskExecutorPartitionInfo>> partitionTrackerEntries =
stopTrackingPartitions(partitionsToPromote);
- final Map<TaskExecutorPartitionInfo, Set<ResultPartitionID>>
newClusterPartitions = partitionTrackerEntries.stream()
- .collect(Collectors.groupingBy(
- PartitionTrackerEntry::getMetaInfo,
-
Collectors.mapping(PartitionTrackerEntry::getResultPartitionId,
Collectors.toSet())));
-
- newClusterPartitions.forEach(
- (dataSetMetaInfo, newPartitionEntries) ->
clusterPartitions.compute(dataSetMetaInfo, (ignored, existingPartitions) -> {
- if (existingPartitions == null) {
- return newPartitionEntries;
- } else {
-
existingPartitions.addAll(newPartitionEntries);
- return existingPartitions;
- }
- }));
+ for (PartitionTrackerEntry<JobID, TaskExecutorPartitionInfo>
partitionTrackerEntry : partitionTrackerEntries) {
+ final TaskExecutorPartitionInfo dataSetMetaInfo =
partitionTrackerEntry.getMetaInfo();
+ final DataSetEntry dataSetEntry =
clusterPartitions.computeIfAbsent(
+ dataSetMetaInfo.getIntermediateDataSetId(),
+ ignored -> new
DataSetEntry(dataSetMetaInfo.getNumberOfPartitions()));
+
dataSetEntry.addPartition(partitionTrackerEntry.getResultPartitionId());
+ }
+ }
+
+ @Override
+ public void
stopTrackingAndReleaseClusterPartitions(Collection<IntermediateDataSetID>
dataSetsToRelease) {
+ for (IntermediateDataSetID dataSetID : dataSetsToRelease) {
+ final DataSetEntry dataSetEntry =
clusterPartitions.remove(dataSetID);
+ final Set<ResultPartitionID> partitionIds =
dataSetEntry.getPartitionIds();
+
shuffleEnvironment.releasePartitionsLocally(partitionIds);
+ }
}
@Override
public void stopTrackingAndReleaseAllClusterPartitions() {
-
clusterPartitions.values().forEach(shuffleEnvironment::releasePartitionsLocally);
+
clusterPartitions.values().stream().map(DataSetEntry::getPartitionIds).forEach(shuffleEnvironment::releasePartitionsLocally);
clusterPartitions.clear();
}
@Override
public ClusterPartitionReport createClusterPartitionReport() {
- List<ClusterPartitionReport.ClusterPartitionReportEntry>
collect = clusterPartitions.entrySet().stream().map(entry -> {
- TaskExecutorPartitionInfo dataSetMetaInfo =
entry.getKey();
- Set<ResultPartitionID> partitionsIds = entry.getValue();
- return new
ClusterPartitionReport.ClusterPartitionReportEntry(
- dataSetMetaInfo.getIntermediateDataSetId(),
- partitionsIds,
- dataSetMetaInfo.getNumberOfPartitions());
- }).collect(Collectors.toList());
+ List<ClusterPartitionReport.ClusterPartitionReportEntry>
reportEntries = clusterPartitions.entrySet().stream().map(entry ->
+ new ClusterPartitionReport.ClusterPartitionReportEntry(
+ entry.getKey(),
+ entry.getValue().getPartitionIds(),
+ entry.getValue().getTotalNumberOfPartitions()))
+ .collect(Collectors.toList());
+
+ return new ClusterPartitionReport(reportEntries);
+ }
+
+ private static class DataSetEntry {
+
+ private final Set<ResultPartitionID> partitionIds = new
HashSet<>();
+ private final int totalNumberOfPartitions;
+
+ private DataSetEntry(int totalNumberOfPartitions) {
+ this.totalNumberOfPartitions = totalNumberOfPartitions;
+ }
+
+ void addPartition(ResultPartitionID resultPartitionId) {
+ partitionIds.add(resultPartitionId);
+ }
+
+ public Set<ResultPartitionID> getPartitionIds() {
Review comment:
Nit: I guess we could limit the accessibility of the two getters in this
class.
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