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Posted to commits@cassandra.apache.org by "Carl Yeksigian (JIRA)" <ji...@apache.org> on 2015/08/12 20:35:45 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 ]

Carl Yeksigian reassigned CASSANDRA-9579:
-----------------------------------------

    Assignee: Carl Yeksigian  (was: 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: Carl Yeksigian
>            Priority: Minor
>             Fix For: 2.1.x, 2.2.x
>
>
> 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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