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Date: Tue, 20 Oct 2015 23:55:27 +0000 (UTC)
From: "Dave Marion (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (ACCUMULO-3948) Enable A/B testing of scan
 iterators on a table
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     [ https://issues.apache.org/jira/browse/ACCUMULO-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dave Marion updated ACCUMULO-3948:
----------------------------------
    Attachment: TestIterator.patch
                ACCUMULO-3948.1-6-3.patch

I got this working with 1.6.3 (files attached for safe keeping), still need to port this patch to 1.8.0.

> Enable A/B testing of scan iterators on a table
> -----------------------------------------------
>
>                 Key: ACCUMULO-3948
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3948
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>             Fix For: 1.8.0
>
>         Attachments: ACCUMULO-3948.1-6-3.patch, TestIterator.patch
>
>
> Classpath contexts are assigned to a table via the table configuration. You can test at scale by cloning your table and assigning a new classpath context to the cloned table. However, you would also need to change your application to use the new table names and since we cannot disable compactions you would start to consume more space in the filesystem for that table. We can support users passing in a context name to use for the scan on existing tables. 


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