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Subject: Re: Review Request 24855: ACCUMULO-1454 design doc
From: "Josh Elser" <josh.elser@gmail.com>
To: "accumulo" <dev@accumulo.apache.org>, "Josh Elser" <josh.elser@gmail.com>,
 keith@deenlo.com
Date: Thu, 21 Aug 2014 18:45:28 -0000
Message-ID: <20140821184528.1309.72643@reviews.apache.org>
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Sender: "Josh Elser" <noreply@reviews.apache.org>
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Reply-To: "Josh Elser" <josh.elser@gmail.com>

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> On Aug. 21, 2014, 4:58 p.m., Josh Elser wrote:
> > docs/src/main/asciidoc/design/ACCUMULO-1454-proposal-01.adoc, line 111
> > <https://reviews.apache.org/r/24855/diff/2/?file=665310#file665310line111>
> >
> >     Would decomission(String) do more/less than what `accumulo admin stop tserver` currently does?
> 
> kturner wrote:
>     Yeah

Cool. It's nice to have explicit implementations/methods for what commands on `accumulo` are running.


> On Aug. 21, 2014, 4:58 p.m., Josh Elser wrote:
> > docs/src/main/asciidoc/design/ACCUMULO-1454-proposal-01.adoc, line 35
> > <https://reviews.apache.org/r/24855/diff/2/?file=665310#file665310line35>
> >
> >     stop-here.sh and start-here.sh already can't be used when running more than one tserver per host (e.g. Slider -- accumulo on yarn) because those scripts assume that there is only one process per node.
> >     
> >     This is a bigger problem in regards to the assumptions that the scripts make. I've come to the conclusion already that we need to rethink the scripts to support this.
> >     
> >     I think what you've outlined for rolling restarts still makes sense with multiple tservers per host (assuming the last loc is host:port and not just host)
> 
> kturner wrote:
>     ugh.  Sounds like that situation will be harder to test.   Like you said, I would like the design to support multiple tservers per a node even if the scripts do not.

It's a pain, but not impossible. You have to just use `accumulo` directly, manually control where log files get written (as that's done by `start-server.sh`) and make sure that the `--address` is set correctly for what you want.


- Josh


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On Aug. 20, 2014, 5:40 p.m., kturner wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/24855/
> -----------------------------------------------------------
> 
> (Updated Aug. 20, 2014, 5:40 p.m.)
> 
> 
> Review request for accumulo.
> 
> 
> Bugs: ACCUMULO-1454
>     https://issues.apache.org/jira/browse/ACCUMULO-1454
> 
> 
> Repository: accumulo
> 
> 
> Description
> -------
> 
> Positing ACCUMULO-1454 design doc for review
> 
> 
> Diffs
> -----
> 
>   docs/src/main/asciidoc/design/ACCUMULO-1454-proposal-01.adoc PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/24855/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> kturner
> 
>


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