Github user lirui-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/892#discussion_r13601229
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -388,7 +386,7 @@ private[spark] class TaskSetManager(
val curTime = clock.getTime()
var allowedLocality = getAllowedLocalityLevel(curTime)
- if (allowedLocality > maxLocality) {
+ if (allowedLocality > maxLocality &&
myLocalityLevels.contains(maxLocality)) {
allowedLocality = maxLocality // We're not allowed to search for
farther-away tasks
}
--- End diff --
Hi @mridulm , another possible change: maxLocality always starts from
PROCESS_LOCAL, how about making it start from the highest level of
myLocalityLevels? Do you think this makes sense?
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