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From Ryan Gardner <>
Subject Thoughts on adding JMX support to the the leadership selector?
Date Tue, 28 Jan 2014 17:44:59 GMT
I've set up something internally where I expose some of the
LeadershipSelector methods via jmx so that I can easily tell a node to
relinquish leadership or check the hasLeadership attribute to verify that
has the leadership status.

I don't think it would be very hard to create a patch for the
LeadershipSelector (and LeadershipLatch) to expose those things as mbeans

Has anyone considered doing this before?

Exposing the ability to see values for current leader / state  and to
perform an "interrupt leadership" or "requeue" or "shutdown" the
LeadershipSelector are very convenient.

I can write up and submit a patch (with tests etc) implementing this if
there is any interest.


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