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https://issues.apache.org/jira/browse/CASSANDRA-9579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002555#comment-15002555
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Aleksey Yeschenko commented on CASSANDRA-9579:
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Committed as
[ecd66de2bdf2ecb88c4276a4616a76f5ec2921bb|https://github.com/apache/cassandra/commit/ecd66de2bdf2ecb88c4276a4616a76f5ec2921bb]
to 2.1, merged with 2.2, 3.0, 3.1, and trunk. Thank you. (messed up commit
message a bit, but whatevs).
> 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: CQL
> 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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