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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-4500) Implement visibility histograms as a table feature
Date Mon, 17 Oct 2016 12:57:58 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-4500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582174#comment-15582174
] 

Keith Turner commented on ACCUMULO-4500:
----------------------------------------

I am in favor of making a configurable per table function.  The function would take in key
values and emit counts.  The emitted counts would build the histogram.   Not configuring a
function would turn it off.  General counts could be used by compaction strategies when making
decisions.  This would be useful for ACCUMULO-1266.  

> Implement visibility histograms as a table feature
> --------------------------------------------------
>
>                 Key: ACCUMULO-4500
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4500
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: client, tserver
>            Reporter: Josh Elser
>
> Add support to quickly extract a histogram of all of the visibilities stored in an Accumulo
table.
> DISCUSS: https://lists.apache.org/thread.html/df5e764362a95277344fd2731a432e9fafc60595e7d30015d9a56b9c@%3Cdev.accumulo.apache.org%3E



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