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Accumulo, mail # user - TServer decommissioning


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Re: TServer decommissioning
Christopher 2013-02-27, 07:34
Sorry, that last one should be "bin/accumulo admin stop $host".

--
Christopher L Tubbs II
http://gravatar.com/ctubbsii
On Tue, Feb 26, 2013 at 11:34 PM, Christopher <[EMAIL PROTECTED]> wrote:
> If you're not ingesting to anything hosted by that tserver, doing a
> flush of the tables with tablets on that tserver (that info should be
> available on the monitor page), should avoid long log recoveries.
>
> You should be able to shut down a single tablet server with
> "bin/stop-here.sh" or "bin/accumulo admin $host" ($host, as it appears
> in the slaves file).
>
> --
> Christopher L Tubbs II
> http://gravatar.com/ctubbsii
>
>
> On Tue, Feb 26, 2013 at 9:17 PM, Denis <[EMAIL PROTECTED]> wrote:
>> Hi.
>>
>> Is there a safer way to put a tserver off than by the killing its process?
>>
>> I mean, something similar to decommissioning of HDFS data node, when
>> master knows which nodes are going to be retired and slowly moves the
>> files from them to other nodes.
>>
>> Well, the killing must be safe as well, but the following log recovery
>> introduces few seconds or even minutes of data unavailability.
>>
>> Thanks.