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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/12/06 20:28:01 UTC

[jira] [Assigned] (SPARK-22721) BytesToBytesMap peak memory usage not accurate after reset()

     [ https://issues.apache.org/jira/browse/SPARK-22721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-22721:
------------------------------------

    Assignee:     (was: Apache Spark)

> BytesToBytesMap peak memory usage not accurate after reset()
> ------------------------------------------------------------
>
>                 Key: SPARK-22721
>                 URL: https://issues.apache.org/jira/browse/SPARK-22721
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.2.0
>            Reporter: Juliusz Sompolski
>
> BytesToBytesMap doesn't update peak memory usage before shrinking back to initial capacity in reset(), so after a disk spill one never knows what was the size of hash table was before spilling.



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