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From "arnaud-lb (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-6056) Heavy write load exhausts heap space
Date Wed, 18 Sep 2013 16:17:53 GMT
arnaud-lb created CASSANDRA-6056:
------------------------------------

             Summary: 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


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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