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Date: Fri, 3 Jun 2016 20:03:59 +0000 (UTC)
From: "Josh Elser (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (ACCUMULO-4328) Run multiple tablet servers on a
 single host
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archived-at: Fri, 03 Jun 2016 20:04:01 -0000


    [ https://issues.apache.org/jira/browse/ACCUMULO-4328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15314706#comment-15314706 ] 

Josh Elser commented on ACCUMULO-4328:
--------------------------------------

(about to be anti-social...)

Looking at the pull request, you're targeting this for 1.6, [~dlmarion]? I'd have (at least one) reservation in pulling this into 1.6:

This really goes against the spirit of our release guidelines. This looks like it would have a huge impact on users. It's hard to quantify this because we have no good guarantees defined on the shell scripts/configuration. However, given that 1.6 is close to EOL, this change doesn't make sense to me for 1.6 or 1.7.

For a 1.8 or 2.0, I think this would be a nice feature. It would be nice to get some high-level documentation on how it's expected to work before looking at the changes though:

* How do we track multiple processes in the shell scripts?
* How do we differentiate multiple tservers on a host internally (inside the master)?
* What configuration do users need to make to take advantage of this?

Since you already have a patch put together for this, I'm guessing I'm mostly looking for user manual updates (instead of a design doc).

> Run multiple tablet servers on a single host
> --------------------------------------------
>
>                 Key: ACCUMULO-4328
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4328
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: scripts, tserver
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Modify scripts and necessary code to run multiple tablet servers on a single host.


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