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Posted to commits@cassandra.apache.org by "Paulo Motta (JIRA)" <ji...@apache.org> on 2016/05/09 19:32:12 UTC

[jira] [Created] (CASSANDRA-11739) Cache key references might cause OOM on incremental repair

Paulo Motta created CASSANDRA-11739:
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             Summary: Cache key references might cause OOM on incremental repair
                 Key: CASSANDRA-11739
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11739
             Project: Cassandra
          Issue Type: Bug
            Reporter: Paulo Motta
            Assignee: Paulo Motta
         Attachments: heapdump.png

We keep {{SSTableReader}} references for the duration of the repair to anti-compact later, and their tidier keep references to cache keys to be invalidated which are only cleaned up by GC after repair is finished. These cache keys can accumulate while repair is being executed leading to OOM for large tables/keyspaces.

Heap dump attached.



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