Skip to content

[SPARK-25852][Core] we should filter the workOffers with freeCores>=CPUS_PER_TASK for better performance #22849

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

Closed
zuotingbing wants to merge 1 commit into from
Closed

[SPARK-25852][Core] we should filter the workOffers with freeCores>=CPUS_PER_TASK for better performance #22849

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
2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,7 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, val rpcEnv: Rp
val taskDescs = CoarseGrainedSchedulerBackend.this.synchronized {
// Filter out executors under killing
val activeExecutors = executorDataMap.filterKeys(executorIsAlive)
val workOffers = activeExecutors.map {
val workOffers = activeExecutors.filter(_._2.freeCores >= scheduler.CPUS_PER_TASK).map {
case (id, executorData) =>
new WorkerOffer(id, executorData.executorHost, executorData.freeCores,
Some(executorData.executorAddress.hostPort))
Expand Down