cloud-fan commented on a change in pull request #28656:
URL: https://github.com/apache/spark/pull/28656#discussion_r431253567
##########
File path: core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala
##########
@@ -1107,10 +1107,16 @@ private[spark] class TaskSetManager(
def recomputeLocality(): Unit = {
// A zombie TaskSetManager may reach here while executorLost happens
if (isZombie) return
+ val previousLocalityIndex = currentLocalityIndex
val previousLocalityLevel = myLocalityLevels(currentLocalityIndex)
myLocalityLevels = computeValidLocalityLevels()
localityWaits = myLocalityLevels.map(getLocalityWait)
currentLocalityIndex = getLocalityIndex(previousLocalityLevel)
+ if (currentLocalityIndex > previousLocalityIndex) {
+ // SPARK-31837: there's new higher level locality, so shift to
+ // the highest locality level in terms of better data locality
+ currentLocalityIndex = 0
Review comment:
Is the new higher locality level always 0? Can it be HOST_LOCAL?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
