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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2015/06/16 16:02:02 UTC

[jira] [Assigned] (CASSANDRA-9579) Add JMX / nodetool command to refresh system.size_estimates

     [ https://issues.apache.org/jira/browse/CASSANDRA-9579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko reassigned CASSANDRA-9579:
--------------------------------------------

    Assignee: Aleksey Yeschenko

> Add JMX / nodetool command to refresh system.size_estimates
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-9579
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9579
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: API
>            Reporter: Piotr Kołaczkowski
>            Assignee: Aleksey Yeschenko
>            Priority: Minor
>
> CASSANDRA-7688 added dumping size estimates at a fixed interval. However, in some cases, e.g. after inserting huge amounts of data or truncating a table, size estimates may become severely incorrect for the interval time. In this case being able to manually trigger the recalculation of the estimates would be very useful. It would be also useful for any automated testing requiring fresh size estimates.



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