zhuzhurk commented on a change in pull request #12256:
URL: https://github.com/apache/flink/pull/12256#discussion_r433106488
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/DefaultExecutionSlotAllocator.java
##########
@@ -96,52 +97,88 @@ public DefaultExecutionSlotAllocator(
LOG.debug("Allocate slot with id {} for execution {}",
slotRequestId, executionVertexId);
- CompletableFuture<LogicalSlot> slotFuture =
calculatePreferredLocations(
+ final CompletableFuture<SlotProfile> slotProfileFuture
= createSlotProfile(
+ schedulingRequirements,
+ Collections.emptySet(),
+
schedulingRequirements.getPhysicalSlotResourceProfile(),
+ allPreviousAllocationIds);
+
+ final CompletableFuture<LogicalSlot> slotFuture =
slotProfileFuture.thenCompose(
+ slotProfile ->
+ slotProviderStrategy.allocateSlot(
+ slotRequestId,
+ new ScheduledUnit(
+ executionVertexId,
+ slotSharingGroupId,
+
schedulingRequirements.getCoLocationConstraint()),
+ slotProfile));
+
+ final SlotExecutionVertexAssignment
slotExecutionVertexAssignment =
+ createAndRegisterSlotExecutionVertexAssignment(
executionVertexId,
-
schedulingRequirements.getPreferredLocations(),
- inputsLocationsRetriever,
- Collections.emptySet()).thenCompose(
-
(Collection<TaskManagerLocation> preferredLocations) ->
-
slotProviderStrategy.allocateSlot(
-
slotRequestId,
- new
ScheduledUnit(
-
executionVertexId,
-
slotSharingGroupId,
-
schedulingRequirements.getCoLocationConstraint()),
-
SlotProfile.priorAllocation(
-
schedulingRequirements.getTaskResourceProfile(),
-
schedulingRequirements.getPhysicalSlotResourceProfile(),
-
preferredLocations,
-
Collections.singletonList(schedulingRequirements.getPreviousAllocationId()),
-
allPreviousAllocationIds)));
-
- SlotExecutionVertexAssignment
slotExecutionVertexAssignment =
- new
SlotExecutionVertexAssignment(executionVertexId, slotFuture);
- // add to map first to avoid the future completed
before added.
- pendingSlotAssignments.put(executionVertexId,
slotExecutionVertexAssignment);
-
- slotFuture.whenComplete(
- (ignored, throwable) -> {
-
pendingSlotAssignments.remove(executionVertexId);
- if (throwable != null) {
-
slotProviderStrategy.cancelSlotRequest(slotRequestId, slotSharingGroupId,
throwable);
- }
- });
+ slotFuture,
+ slotRequestId,
+ slotSharingGroupId);
slotExecutionVertexAssignments.add(slotExecutionVertexAssignment);
}
return slotExecutionVertexAssignments;
}
- private void
validateSchedulingRequirements(Collection<ExecutionVertexSchedulingRequirements>
schedulingRequirements) {
+ protected void
validateSchedulingRequirements(Collection<ExecutionVertexSchedulingRequirements>
schedulingRequirements) {
schedulingRequirements.stream()
.map(ExecutionVertexSchedulingRequirements::getExecutionVertexId)
.forEach(id -> checkState(
!pendingSlotAssignments.containsKey(id),
"BUG: vertex %s tries to allocate a slot when
its previous slot request is still pending", id));
}
+ protected CompletableFuture<SlotProfile> createSlotProfile(
Review comment:
PR #12423 is opened which is based on this PR.
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