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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/02/24 11:03:00 UTC
[jira] [Assigned] (SPARK-23508) blockManagerIdCache in
BlockManagerId may cause oom
[ https://issues.apache.org/jira/browse/SPARK-23508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-23508:
------------------------------------
Assignee: (was: Apache Spark)
> blockManagerIdCache in BlockManagerId may cause oom
> ---------------------------------------------------
>
> Key: SPARK-23508
> URL: https://issues.apache.org/jira/browse/SPARK-23508
> Project: Spark
> Issue Type: Bug
> Components: Deploy, Spark Core
> Affects Versions: 2.1.1, 2.2.1
> Reporter: zhoukang
> Priority: Major
> Attachments: elepahnt-oom1.png, elephant-oom.png
>
>
> blockManagerIdCache in BlockManagerId will not remove old values which may cause oom
> {code:java}
> val blockManagerIdCache = new ConcurrentHashMap[BlockManagerId, BlockManagerId]()
> {code}
> Since whenever we apply a new BlockManagerId, it will put into this map.
> below is an jmap:
> !elepahnt-oom1.png!
> !elephant-oom.png!
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