attilapiros commented on a change in pull request #33492:
URL: https://github.com/apache/spark/pull/33492#discussion_r675962645
##########
File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodsAllocator.scala
##########
@@ -293,32 +302,49 @@ private[spark] class ExecutorPodsAllocator(
.withLabelIn(SPARK_EXECUTOR_ID_LABEL,
toDelete.sorted.map(_.toString): _*)
.delete()
newlyCreatedExecutors --= newlyCreatedToDelete
- knownPendingCount -= knownPendingToDelete.size
+ pendingCountForRpId -= pendingToDelete.size
+ notRunningPodCountForRpId -= toDelete.size
}
}
}
-
- if (newlyCreatedExecutorsForRpId.isEmpty
- && knownPodCount < targetNum) {
- requestNewExecutors(targetNum, knownPodCount, applicationId, rpId,
k8sKnownPVCNames)
- }
- totalPendingCount += knownPendingCount
+ totalPendingCount += pendingCountForRpId
+ totalNotRunningPodCount += notRunningPodCountForRpId
// The code below just prints debug messages, which are only useful when
there's a change
// in the snapshot state. Since the messages are a little spammy, avoid
them when we know
// there are no useful updates.
if (log.isDebugEnabled && snapshots.nonEmpty) {
- val outstanding = knownPendingCount + newlyCreatedExecutorsForRpId.size
+ val outstanding = pendingCountForRpId +
newlyCreatedExecutorsForRpId.size
if (currentRunningCount >= targetNum && !dynamicAllocationEnabled) {
logDebug(s"Current number of running executors for ResourceProfile
Id $rpId is " +
"equal to the number of requested executors. Not scaling up
further.")
} else {
- if (outstanding > 0) {
- logDebug(s"Still waiting for $outstanding executors for
ResourceProfile " +
- s"Id $rpId before requesting more.")
+ if (newlyCreatedExecutorsForRpId.nonEmpty) {
+ logDebug(s"Still waiting for ${newlyCreatedExecutorsForRpId.size}
executors for " +
+ s"ResourceProfile Id $rpId before requesting more.")
}
}
}
+ if (newlyCreatedExecutorsForRpId.isEmpty && podCountForRpId < targetNum)
{
+ Some(rpId, podCountForRpId, targetNum)
+ } else {
+ // for this resource profile we do not request more PODs
+ None
+ }
+ }
Review comment:
This is kept intentionally, see
https://github.com/apache/spark/pull/33492#discussion_r675961263.
The new limit is enforced at
https://github.com/apache/spark/blob/adc512d4e1837713713fefc6f64af3b0c6c8cdc8/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodsAllocator.scala#L336-L339
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