Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/14617#discussion_r109184652
--- Diff:
core/src/main/scala/org/apache/spark/storage/StorageStatusListener.scala ---
@@ -74,8 +74,11 @@ class StorageStatusListener(conf: SparkConf) extends
SparkListener {
synchronized {
val blockManagerId = blockManagerAdded.blockManagerId
val executorId = blockManagerId.executorId
- val maxMem = blockManagerAdded.maxMem
- val storageStatus = new StorageStatus(blockManagerId, maxMem)
+ // This two fields are compatible with old event logs, in which
there only has max on heap
+ // memory in the event log. So maxOnHeapMem will use maxMem,
maxOffHeapMem will set to 0.
+ val maxOnHeapMem =
blockManagerAdded.maxOnHeapMem.getOrElse(blockManagerAdded.maxMem)
--- End diff --
ah I see, thanks for explaining that. But since that went into spark 2.1,
then the meaning of that value in old version could be either, right?
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