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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-4328) Run multiple tablet servers on a single host
Date Fri, 03 Jun 2016 20:03:59 GMT


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:
>             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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