[jira] [Commented] (ACCUMULO-4500) Implement visibility histograms as a table feature

["Michael Wall (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-4500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582081#comment-15582081 ] 

Michael Wall commented on ACCUMULO-4500:
----------------------------------------

I am in favor of this idea in general.  I have concerns about performance though.  Beside protecting this information with some permission, can we also it configurable to turn off and on?  If you have it off for some period, then turn it on, only new ingest and files that get compacted would have the info.  If you turn have it on, then turn it off, new data would not have it and compactions would not write it back out.

> 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



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)