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From "Milan Milosevic (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13728) Provide max hint window as part of nodetool
Date Tue, 25 Jul 2017 10:16:00 GMT
Milan Milosevic created CASSANDRA-13728:
-------------------------------------------

             Summary: Provide max hint window as part of nodetool
                 Key: CASSANDRA-13728
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13728
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Milan Milosevic
            Priority: Minor
             Fix For: 3.0.15, 3.11.1


Currently it is not possible to get max_hint_window over nodetool. The information is available
through StorageProxyMBean, though. Since max hint window information is needed in order to
asses what kind of failure recovery should be performed for a node that goes down (bootstrap
or just restart), it would be handy if max hint window is easily accessible using nodetool.

Currently nodetool statushandoff output is:

{code}
[centos@cassandra-node]$ nodetool statushandoff
Hinted handoff is running
{code}

The output could be improved to look like this:

{code}
[centos@cassandra-node]$ nodetool statushandoff
Hinted handoff is running with max hint window (ms): 10800000
{code}

Implementation is quite trivial (fetch the info from the StorageProxyMBean from the StatusHandoff
class). I can provide the patch for this, if it is agreed that this it right approach.



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