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From John Vines <>
Subject Re: Time requirement between shutting down tablet servers?
Date Mon, 06 Aug 2012 17:01:39 GMT
Perhaps we should direct to utilize admin stop. Or at the very
least rename stop-here to kill-here to make it clear that it's rough around
the edges.


On Mon, Aug 6, 2012 at 12:28 PM, Eric Newton <> wrote:

> You are killing loggers, which means that recovery cannot take place with
> tablets are moved to the remaining servers.
> Try:
> $ ./bin/accumulo admin stop host:port
> This will gracefully stop the tserver and logger on that machine, and
> flush the tablets with references to logs on that machine.
> -Eric
> On Mon, Aug 6, 2012 at 10:25 AM, Steven Troxell <>wrote:
>> Is there a problem with shutting down tablet servers in quick
>> succession?  I am attempting to scale back from 10 tservers to 2 for
>> benchmark testing, but I am running into problems where the at some point,
>> the monitor stops showing the remaining servers (that I hadn't gotten to
>> kill yet) as online.  I see numerous Connection refused, and unable to
>> recover errors in my logs, but there's no consistency as to after how many
>> servers shut down that I lose everythying.  The only thing I've picked up
>> on is higher success rates, when I leave larger gaps of time in between
>> shutting servers.  Is this reasonable/expected behavior?
>> I am using the bin/ command to kill servers.  Alternatively I
>> have tried ./bin/,  then running ./bin/  on master
>> and individual tablet servers I want running, but that doesn't seem to
>> bring them up
>> Thanks,
>> Steve

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