KarmaGYZ commented on a change in pull request #16959:
URL: https://github.com/apache/flink/pull/16959#discussion_r695453034
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/DefaultDeclarativeSlotPool.java
##########
@@ -117,7 +117,7 @@ public void increaseResourceRequirementsBy(ResourceCounter
increment) {
@Override
public void decreaseResourceRequirementsBy(ResourceCounter decrement) {
- if (decrement.isEmpty()) {
+ if (decrement.isEmpty() || totalResourceRequirements.isEmpty()) {
Review comment:
Ahh. I think I misunderstand it.
> There should never be a case where we decrease the resource requirement
such that the result is negative.
This scenario already exists, that is why we observe multiple "Clearing
resource requirements of job". The `totalResourceRequirements` will decrease
each time in `onReleaseTaskManager`. If that is a bug, we should fix it.
@zentol
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/DefaultDeclarativeSlotPool.java
##########
@@ -117,7 +117,7 @@ public void increaseResourceRequirementsBy(ResourceCounter
increment) {
@Override
public void decreaseResourceRequirementsBy(ResourceCounter decrement) {
- if (decrement.isEmpty()) {
+ if (decrement.isEmpty() || totalResourceRequirements.isEmpty()) {
Review comment:
Ahh. I think I misunderstand it.
> There should never be a case where we decrease the resource requirement
such that the result is negative.
This scenario already exists, that is why we observe multiple "Clearing
resource requirements of job". The `totalResourceRequirements` will decrease
each time in `onReleaseTaskManager`. If that is a bug, we should fix it.
@zentol
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