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HBase >> mail # user >> remove dead regions server


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Re: remove dead regions server
Thanks guys, we had to restart the master for another issue an that
cleaned the deadserver list too.
On 05/02/13 9:08 PM, "Bryan Beaudreault" <[EMAIL PROTECTED]> wrote:

>There really should be no issue or slowdown involved with restarting the
>masters.  The operation only takes 1-2 seconds and is pretty much
>transparent to clients.  We run hundreds of M/R jobs as well as a handful
>of online APIs hitting hbase and have not seen any issue restarting
>masters
>at will whenever we need to.
>
>
>On Tue, Feb 5, 2013 at 4:04 AM, Nicolas Liochon <[EMAIL PROTECTED]> wrote:
>
>> Hi,
>>
>> Looking at the code, no.
>>
>> Nicolas
>>
>>
>> On Tue, Feb 5, 2013 at 9:21 AM, samar kumar <[EMAIL PROTECTED]
>> >wrote:
>>
>> > Thanks Adrien.
>> > Sure , but is there any other way without stoping the masters.
>>Anything
>> > like cleaning the zk. Is there a time-out which cleans the dead rs or
>>max
>> > count .
>> > Regards,
>> > Samar
>> >
>> > On 05/02/13 12:38 AM, "Adrien Mogenet" <[EMAIL PROTECTED]>
>>wrote:
>> >
>> > >The easiest way is to restart your HBaseMaster. The next active
>>master
>> > >will
>> > >not register the dead RS.
>> > >
>> > >
>> > >On Mon, Feb 4, 2013 at 1:07 PM, Samar Kumar <[EMAIL PROTECTED]>
>> > >wrote:
>> > >
>> > >> Hi Everyone,
>> > >>   I did a  "status 'detailed'" and found 3 dead region servers. I
>>was
>> > >> hoping that the dead region servers would go aways after a while
>>but
>> > >>they
>> > >> seem to exist for a long time now. Is there a way for these to be
>> > >>removed
>> > >> without restarting the master.
>> > >> Using hbase 0.90.4-cdh3u3
>> > >> Regards,
>> > >> Samar
>> > >>
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>> > >Adrien Mogenet
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