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From "Ashic Mahtab (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7984) Nodetool status sometimes reports negative size
Date Mon, 22 Sep 2014 09:18:33 GMT
Ashic Mahtab created CASSANDRA-7984:
---------------------------------------

             Summary: Nodetool status sometimes reports negative size
                 Key: CASSANDRA-7984
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7984
             Project: Cassandra
          Issue Type: Bug
          Components: Core, Tools
         Environment: Ubuntu server x64, 4 nodes on 4 VMWare VMS, 2GB ram on each node.
            Reporter: Ashic Mahtab
         Attachments: Capture.PNG, Capture2.PNG

This has been an issue for a few versions now (from the various RCs of 2.1, but possibly earlier).
The issue doesn't manifest itself initially, but if the cluster is left alone for a while,
slowly but surely it pops up. The issue is that nodetool status starts outputting negative
values for Load. This causes the graphs in OpsCenter to start acting crazy as well. I've attached
screenshots of both.

Running a rolling restart (or simply restarting the affected node) resolves the issue until
it arises again.  



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