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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6538) Provide a read-time CQL function to display the data size of columns and rows
Date Fri, 03 Jan 2014 07:45:51 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861305#comment-13861305
] 

Sylvain Lebresne commented on CASSANDRA-6538:
---------------------------------------------

Whenever we have CASSANDRA-4914, it should be relatively simple to write an aggregation function
that sum the data size of queried columns, but in the meantime, I'm highly skeptical that
it's worth adding special casing for it (in CQL at least).

If it's only to check that a given partition isn't a lot bigger than one though, maybe a simpler
option could be a JMX call that given a partition key, returns the total size it occupies
on disk (which as a bonus we can do without actually reading the data, just the index).

> Provide a read-time CQL function to display the data size of columns and rows
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6538
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6538
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Johnny Miller
>
> It would be extremely useful to be able to work out the size of rows and columns via
CQL. 



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