srowen commented on code in PR #40440:
URL: https://github.com/apache/spark/pull/40440#discussion_r1141396846
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core/src/main/scala/org/apache/spark/MapOutputTracker.scala:
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@@ -697,6 +697,8 @@ private[spark] class MapOutputTrackerMaster(
pool
}
+ private val availableProcessors = Runtime.getRuntime.availableProcessors()
Review Comment:
The other usages don't seem to matter - one-time checks in initialization,
that kind of thing. I'm OK with this by itself
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