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Posted to common-dev@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/07/22 16:54:49 UTC

[jira] [Created] (HADOOP-9757) Har metadata cache can grow without limit

Jason Lowe created HADOOP-9757:
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             Summary: Har metadata cache can grow without limit
                 Key: HADOOP-9757
                 URL: https://issues.apache.org/jira/browse/HADOOP-9757
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.23.9, 2.0.4-alpha
            Reporter: Jason Lowe


MAPREDUCE-2459 added a metadata cache to the har filesystem, but the cache has no upper limits.  A long-running process that accesses many har archives will eventually run out of memory due to a har metadata cache that never retires entries.

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