[jira] [Commented] (SPARK-4777) Some block memory after unrollSafely not count into used memory(memoryStore.entrys or unrollMemory)

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14236765#comment-14236765 ] 

Apache Spark commented on SPARK-4777:
-------------------------------------

User 'suyanNone' has created a pull request for this issue:
https://github.com/apache/spark/pull/3629

> 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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