mridulm commented on code in PR #38711:
URL: https://github.com/apache/spark/pull/38711#discussion_r1034252202
##########
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala:
##########
@@ -643,10 +643,11 @@ private[spark] class ExecutorAllocationManager(
// Should be 0 when no stages are active.
private val stageAttemptToNumRunningTask = new
mutable.HashMap[StageAttempt, Int]
private val stageAttemptToTaskIndices = new mutable.HashMap[StageAttempt,
mutable.HashSet[Int]]
- // Number of speculative tasks pending/running in each stageAttempt
- private val stageAttemptToNumSpeculativeTasks = new
mutable.HashMap[StageAttempt, Int]
- // The speculative tasks started in each stageAttempt
+ // Number of speculative tasks running in each stageAttempt
private val stageAttemptToSpeculativeTaskIndices =
+ new mutable.HashMap[StageAttempt, mutable.HashSet[Int]]()
Review Comment:
Review Note: Ideally, we simply need an `Int` for this - since we have split
`stageAttemptToUnsubmittedSpeculativeTasks`.
For now, let us keep it as a HashSet though - I have slight concerns around
dropped events which might make the map's go inconsistent.
##########
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala:
##########
@@ -643,10 +643,11 @@ private[spark] class ExecutorAllocationManager(
// Should be 0 when no stages are active.
private val stageAttemptToNumRunningTask = new
mutable.HashMap[StageAttempt, Int]
private val stageAttemptToTaskIndices = new mutable.HashMap[StageAttempt,
mutable.HashSet[Int]]
- // Number of speculative tasks pending/running in each stageAttempt
- private val stageAttemptToNumSpeculativeTasks = new
mutable.HashMap[StageAttempt, Int]
- // The speculative tasks started in each stageAttempt
+ // Number of speculative tasks running in each stageAttempt
private val stageAttemptToSpeculativeTaskIndices =
+ new mutable.HashMap[StageAttempt, mutable.HashSet[Int]]()
Review Comment:
Review Note: Ideally, we simply need an `Int` for this - since we have split
`stageAttemptToUnsubmittedSpeculativeTasks`.
For now, let us keep it as a `HashSet` though - I have slight concerns
around dropped events which might make the map's go inconsistent.
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