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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