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Paulo Motta commented on CASSANDRA-13614:
-----------------------------------------
Overall looks good, just a few minor suggestions:
* I think we should also include the {{nodetool getbatchlogreplaythrottlekb}}
command as well given the JMX method is already there so the extra effort is
minimum and could be handy for admins. I see there are some setters without
their corresponding getters on nodetool, but I think we should always include
both setters and getters. WDYT?
* Can you add a notice to the nodetool command help stating that {{This will be
reduced proportionally to the number of nodes in the cluster}}, similar to the
YAML notice.
* Also, perhaps you could add a debug log on {{BatchLogManager.setRate}}
stating the actual rate that is being set, given it varies with the number of
nodes.
> Batchlog replay throttle should be dynamically configurable with jmx and
> possibly nodetool
> ------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-13614
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13614
> Project: Cassandra
> Issue Type: Sub-task
> Components: Configuration, Materialized Views
> Reporter: Andrés de la Peña
> Assignee: Andrés de la Peña
>
> As it is said in
> [CASSANDRA-13162|https://issues.apache.org/jira/browse/CASSANDRA-13162],
> batchlog replay can be excessively throttled with materialized views. The
> throttle is controlled by the property {{batchlog_replay_throttle_in_kb}},
> which is set by default to (only) 1024KB, and it can't be configured
> dynamically. It would be useful to be able of modifying it dynamically with
> JMX and possibly nodetool.
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