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From "T Jake Luciani (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-8639) Can OOM on CL replay with dense mutations
Date Fri, 16 Jan 2015 19:48:34 GMT
T Jake Luciani created CASSANDRA-8639:

             Summary: Can OOM on CL replay with dense mutations
                 Key: CASSANDRA-8639
             Project: Cassandra
          Issue Type: Bug
            Reporter: T Jake Luciani
            Priority: Minor
             Fix For: 2.1.3

If you write dense mutations with many clustering keys, the replay of the CL can quickly overwhelm
a node on startup.  This looks to be caused by the fact we only ensure there are 1000 mutations
in flight at a time. but those mutations could have thousands of cells in them.

A better approach would be to limit the CL replay to the amount of memory in flight using

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