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From "Joshua McKenzie (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-8584) Add strerror output on failed trySkipCache calls
Date Thu, 08 Jan 2015 18:09:35 GMT
Joshua McKenzie created CASSANDRA-8584:
------------------------------------------

             Summary: Add strerror output on failed trySkipCache calls
                 Key: CASSANDRA-8584
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8584
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Joshua McKenzie
            Assignee: Joshua McKenzie
            Priority: Trivial
             Fix For: 2.1.3


Since trySkipCache returns an errno rather than -1 and setting errno like our other CLibrary
calls, it's thread-safe and we could print out more helpful information if we failed to prompt
the kernel to skip the page cache.  That system call should always succeed unless we have
an invalid fd as it's free to ignore us.



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