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Date: Thu, 17 Aug 2017 21:57:00 +0000 (UTC)
From: "Varun Gupta (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Commented] (CASSANDRA-13728) Provide max hint window as
 part of nodetool
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archived-at: Thu, 17 Aug 2017 21:57:05 -0000


    [ https://issues.apache.org/jira/browse/CASSANDRA-13728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131358#comment-16131358 ] 

Varun Gupta commented on CASSANDRA-13728:
-----------------------------------------

[~jasobrown] can you please review the patch?

> 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
>          Components: Tools
>            Reporter: Milan Milosevic
>            Priority: Minor
>              Labels: lhf
>             Fix For: 3.0.15, 3.11.1
>
>         Attachments: display-max-hint-handoff-period.patch
>
>
> 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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