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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2013/11/20 01:11:21 UTC

[jira] [Resolved] (CASSANDRA-6056) Heavy write load exhausts heap space

     [ https://issues.apache.org/jira/browse/CASSANDRA-6056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis resolved CASSANDRA-6056.
---------------------------------------

    Resolution: Fixed

between CASSANDRA-5982 and CASSANDRA-6059 I think we're good.

> Heavy write load exhausts heap space
> ------------------------------------
>
>                 Key: CASSANDRA-6056
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6056
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Debian, Cassandra 2.0
>            Reporter: arnaud-lb
>         Attachments: dominator-tree.png, jvisualvm-class-instances.png
>
>
> Issuing many INSERT or UPDATE queries cause cassandra to exhaust the heap space in a few minutes. It then gets stuck in full GCs, failing to recover.
> Observed with the default config from Datastax Debian packages, with a 8GB heap. Query rate is around 35K queries per second, with 16 concurrent queries.



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