GJL commented on a change in pull request #9860: [FLINK-14331][runtime] Reset
vertices right after they transition to terminated states
URL: https://github.com/apache/flink/pull/9860#discussion_r334367314
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionVertex.java
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@@ -706,8 +706,10 @@ private Execution resetForNewExecutionInternal(final long
timestamp, final long
public void tryAssignResource(LogicalSlot slot) {
if (!currentExecution.tryAssignResource(slot)) {
- throw new IllegalStateException("Could not assign
resource " + slot + " to current execution " +
- currentExecution + '.');
+ final IllegalStateException e = new
IllegalStateException(
+ "Could not assign resource " + slot + " to
current execution " + currentExecution + '.');
+ slot.releaseSlot(e);
Review comment:
I am getting second thoughts about this change. It's not optimal that we are
adding business logic to the `ExecutionVertex`. I think it's better to let the
caller release the slot. However, since this `IllegalStateException` denotes a
bug, what do you think about wrapping all instances of
`.handle(assignResourceOrHandleError(deploymentHandle))` into
`FutureUtils.assertNoException`?
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