[jira] [Commented] (CASSANDRA-11720) Changing `max_hint_window_in_ms` at runtime

["mck (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-11720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15649054#comment-15649054 ] 

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

LGTM.

Some small feedback [~ztyx]:
  • can we add a test?
      ∘  dtest (nodetool_test.py) (or a unit test if something can be created…)
  • the docs need to be updated
      ∘ we'd need an entry in {{doc/build/html/tools/nodetool/nodetool.html}}

> 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
>            Priority: Minor
>              Labels: lhf
>         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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