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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9579) Add JMX / nodetool command to refresh system.size_estimates
Date Tue, 16 Jun 2015 14:03:02 GMT

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

Aleksey Yeschenko updated CASSANDRA-9579:
-----------------------------------------
    Fix Version/s: 2.2.x

> 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
>             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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