zhuzhurk commented on a change in pull request #10200: [FLINK-14062][runtime]
Calculate managed memory fraction based on slot sharing groups
URL: https://github.com/apache/flink/pull/10200#discussion_r347085726
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
##########
@@ -684,6 +689,96 @@ private void setCoLocation() {
}
}
+ private void setManagedMemoryFraction() {
+ // all slot sharing groups in this job
+ final Set<SlotSharingGroup> slotSharingGroups =
Collections.newSetFromMap(new IdentityHashMap<>());
+ // maps a job vertex ID to its head operator ID
+ final Map<JobVertexID, Integer> vertexHeadOperators = new
HashMap<>();
+ // maps a job vertex ID to IDs of all operators in the vertex
+ final Map<JobVertexID, Set<Integer>> vertexOperators = new
HashMap<>();
+
+ for (Entry<Integer, JobVertex> entry : jobVertices.entrySet()) {
+ final int headOperatorId = entry.getKey();
+ final JobVertex jobVertex = entry.getValue();
+
+ final SlotSharingGroup jobVertexSlotSharingGroup =
jobVertex.getSlotSharingGroup();
+ if (jobVertexSlotSharingGroup != null) {
+
slotSharingGroups.add(jobVertexSlotSharingGroup);
+ }
+
+ vertexHeadOperators.put(jobVertex.getID(),
headOperatorId);
+
+ final Set<Integer> operatorIds = new HashSet<>();
+ operatorIds.add(headOperatorId);
+
operatorIds.addAll(chainedConfigs.getOrDefault(headOperatorId, new
HashMap<>()).keySet());
+ vertexOperators.put(jobVertex.getID(), operatorIds);
+ }
+
+ for (SlotSharingGroup slotSharingGroup : slotSharingGroups) {
+
setManagedMemoryFractionForSlotSharingGroup(slotSharingGroup,
vertexHeadOperators, vertexOperators);
+ }
+ }
+
+ private void setManagedMemoryFractionForSlotSharingGroup(
+ final SlotSharingGroup slotSharingGroup,
+ final Map<JobVertexID, Integer> vertexHeadOperators,
+ final Map<JobVertexID, Set<Integer>> vertexOperators) {
+
+ int groupOperatorCount = 0;
+ for (JobVertexID jobVertexID :
slotSharingGroup.getJobVertexIds()) {
Review comment:
Yeah that looks better. updated.
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