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From "Matt Stump (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-8160) CF level option to call posix_fadvise for sstables on creation and startup
Date Tue, 21 Oct 2014 18:07:34 GMT
Matt Stump created CASSANDRA-8160:
-------------------------------------

             Summary: CF level option to call posix_fadvise for sstables on creation and startup
                 Key: CASSANDRA-8160
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8160
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Matt Stump
            Priority: Critical


We should have a CF level configuration with will result in posix_fadvise being called for
sstables for that CF. It should be called on node startup and for new sstables. This should
be configurable per CF to allow for some CFs to be prioritized above others. Not sure if we
should use POSIX_FADV_SEQUENTIAL or POSIX_FADV_WILLNEED. 



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