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Posted to issues@spark.apache.org by "zhoukang (JIRA)" <ji...@apache.org> on 2018/02/24 10:56:00 UTC

[jira] [Created] (SPARK-23508) blockManagerIdCache in BlockManagerId may cause oom

zhoukang created SPARK-23508:
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             Summary: 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: 2.2.1, 2.1.1
            Reporter: zhoukang


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.



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