Github user jerryshao commented on a diff in the pull request: https://github.com/apache/spark/pull/14617#discussion_r109271875 --- 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 -- Yes, right. So I should figure out a way to be compatible with both.
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