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https://issues.apache.org/jira/browse/SPARK-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249330#comment-14249330
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SuYan commented on SPARK-4777:
------------------------------
Sean Owen, Hi, I intended to close that patch, but after having discussed with
SPARK-3000 author, he says, current SPARK-3000 is have not merge into spark
yet, so the problem is still in current code, so let's keep my patch still be
open.
If there are not a need to keep it open, tell me, I will close it, thanks.
> Some block memory after unrollSafely not count into used
> memory(memoryStore.entrys or unrollMemory)
> ---------------------------------------------------------------------------------------------------
>
> Key: SPARK-4777
> URL: https://issues.apache.org/jira/browse/SPARK-4777
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.1.0
> Reporter: SuYan
> Priority: Minor
>
> Some memory not count into memory used by memoryStore or unrollMemory.
> Thread A after unrollsafely memory, it will release 40MB unrollMemory(40MB
> will used by other threads). then ThreadA wait get accountingLock to tryToPut
> blockA(30MB). before Thread A get accountingLock, blockA memory size is not
> counting into unrollMemory or memoryStore.currentMemory.
>
> IIUC, freeMemory should minus that block memory
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