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From "SuYan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-4777) Some block memory after unrollSafely not count into used memory(memoryStore.entrys or unrollMemory)
Date Wed, 17 Dec 2014 02:26:13 GMT

    [ https://issues.apache.org/jira/browse/SPARK-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249330#comment-14249330
] 

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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