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From "mck (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11720) Changing `max_hint_window_in_ms` at runtime
Date Tue, 02 May 2017 20:41:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15993703#comment-15993703
] 

mck commented on CASSANDRA-11720:
---------------------------------

{quote} I think that i will implement the above correspondence, how is it?{quote}
I'm not sure I understand you [~hnishi].

I've updated your patch, it is here – https://github.com/michaelsembwever/cassandra/commit/b40cb59728112b759b6caa8204152add825829cd

I'm looking into adding something in to the existing hints dtest found in [hintedhandoff_test.py|https://github.com/riptano/cassandra-dtest/blob/master/hintedhandoff_test.py]

> Changing `max_hint_window_in_ms` at runtime
> -------------------------------------------
>
>                 Key: CASSANDRA-11720
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11720
>             Project: Cassandra
>          Issue Type: Wish
>          Components: Coordination
>            Reporter: Jens Rantil
>            Assignee: Hiroyuki Nishi
>            Priority: Minor
>              Labels: lhf
>             Fix For: 4.x
>
>         Attachments: CASSANDRA-11720-trunk.patch
>
>
> Scenario: A larger node (in terms of data it holds) goes down. You realize that it will
take slightly more than `max_hint_window_in_ms` to fix it. You have a the disk space to store
some additional hints.
> Proposal: Support changing `max_hint_window_in_ms` at runtime. The change doesn't have
to be persisted somewhere. I'm thinking similar to changing the `compactionthroughput` etc.
using `nodetool`.
> Workaround: Change the value in the configuration file and do a rolling restart of all
the nodes.



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