Skip to content

Register state change listener only once #14890

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sopel39 merged 1 commit into from
Nov 4, 2022
Merged

Register state change listener only once #14890

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 1 addition & 2 deletions ...trino-main/src/main/java/io/trino/execution/scheduler/policy/PhasedExecutionSchedule.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -241,15 +241,14 @@ private void selectForExecution(StageExecution stage)
return;
}

if (fragmentDependency.outDegreeOf(stage.getFragment().getId()) > 0) {
if (activeStages.add(stage) && fragmentDependency.outDegreeOf(stage.getFragment().getId()) > 0) {
// if there are any dependent stages then reschedule when stage is completed
stage.addStateChangeListener(state -> {
if (isStageCompleted(stage)) {
notifyReschedule();
}
});
}
activeStages.add(stage);
}

private void notifyReschedule()
Expand Down