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From "Cliff Moon (JIRA)" <>
Subject [jira] Created: (CASSANDRA-1114) start script occasionally causes flapping when used with runit
Date Thu, 20 May 2010 17:45:16 GMT
start script occasionally causes flapping when used with runit

                 Key: CASSANDRA-1114
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
         Environment: ubuntu Karmic
            Reporter: Cliff Moon
            Priority: Minor
         Attachments: start_script.patch

Starting cassandra in the foreground is the preferred way of running it under something like
runit or daemontools.  Currently, the start script will execute java in a subprocess when
starting in the foreground.  This is a problem for runit and daemontools since they both register
the pid of start script.  Occasionally the start script process will fail, leaving the java
process running.  The runit supervisor will then start flapping since it thinks cassandra
is down even though there is a java process running.

The attached patch will run cassandra in the same process as the start script when run in
the foreground.  This will cause runit and daemontools to have the correct behavior.

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