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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