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From "Wei Deng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-11739) Cache key references might cause OOM on incremental repair
Date Wed, 31 Aug 2016 23:13:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-11739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei Deng updated CASSANDRA-11739:
---------------------------------
    Labels: lcs repair  (was: )

> 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
>              Labels: lcs, repair
>             Fix For: 2.1.15, 2.2.7, 3.0.7, 3.7
>
>         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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