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HBase, mail # user - Regions in transition


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Re: Regions in transition
ramkrishna vasudevan 2013-02-08, 07:15
Yes, RIT states were bit confusing for the end user.  In the latest version
lot of efforts have gone into solve this problems. Hope for the best in the
future :)

Regards
Ram

On Fri, Feb 8, 2013 at 12:38 PM, Samir Ahmic <[EMAIL PROTECTED]> wrote:

> Hi, Kiran
>
> Welcome to beautiful world of HBase transition states :) . When i face
> RIT issue this are steps that i use to resolve it:
>
> 1. hbase hbck -fixAssignments (this depends on your version of hbase
> it can be also just -fix)
>
> If you don't have luck with 1. then you will need manual intervention:
> Remove hbase znodes from zookeeper (use hbase zkcli) and options rmr
> (or delete ) /hbase, and then restart cluster.
>
> This should help you resolve RITs.
>
> Regards
>
>
>
> On Fri, Feb 8, 2013 at 7:50 AM, kiran <[EMAIL PROTECTED]> wrote:
> > PENDING_OPEN
> >
> >
> > On Fri, Feb 8, 2013 at 12:16 PM, samar kumar <[EMAIL PROTECTED]
> >wrote:
> >
> >> Can you mention the state of the region.. You can find the details in
> you
> >> master status page
> >>
> >> On 08/02/13 12:09 PM, "kiran" <[EMAIL PROTECTED]> wrote:
> >>
> >> >We ran the command unassign 'REGIONNAME',true the output is "completed
> in
> >> >57 sec", but still region is in transition.
> >> >
> >> >
> >> >On Fri, Feb 8, 2013 at 12:05 PM, samar kumar
> >> ><[EMAIL PROTECTED]>wrote:
> >> >
> >> >> Was the unassigning successful ?
> >> >>
> >> >> If not you can force it by - unassign 'REGIONNAME', true
> >> >>
> >> >> Regards,
> >> >> Samar
> >> >>
> >> >>
> >> >>
> >> >> On 08/02/13 12:01 PM, "kiran" <[EMAIL PROTECTED]> wrote:
> >> >>
> >> >> >i issued unassign and close_region both but the region is still in
> >> >> >transition also I deleted the .META entry for the region. Do I need
> to
> >> >> >restart master ?
> >> >> >
> >> >> >
> >> >> >On Fri, Feb 8, 2013 at 11:18 AM, samar kumar
> >> >> ><[EMAIL PROTECTED]>wrote:
> >> >> >
> >> >> >> Regions should never overlap
> >> >> >> Incase a region is in transition for a long long time, you could
> >> >> >>possibly
> >> >> >> force Unassign a region , if you are ok to lose the region.
> >> >> >> Regards,
> >> >> >> Samar
> >> >> >>
> >> >> >> On 08/02/13 11:14 AM, "kiran" <[EMAIL PROTECTED]>
> wrote:
> >> >> >>
> >> >> >> > are always in transition ? Because of the
> >> >> >> >cluster is not balancing and regionservers are going down one by
> >> >>one.
> >> >> >>As
> >> >> >> >only some regions servers are handling the requests.
> >> >> >> >
> >> >> >> >Another wierd thing is the region stuck in transition startkey
> >> >>matches
> >> >> >> >with
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >
> >> >> >
> >> >> >--
> >> >> >Thank you
> >> >> >Kiran Sarvabhotla
> >> >> >
> >> >> >-----Even a correct decision is wrong when it is taken late
> >> >>
> >> >>
> >> >>
> >> >
> >> >
> >> >--
> >> >Thank you
> >> >Kiran Sarvabhotla
> >> >
> >> >-----Even a correct decision is wrong when it is taken late
> >>
> >>
> >>
> >
> >
> > --
> > Thank you
> > Kiran Sarvabhotla
> >
> > -----Even a correct decision is wrong when it is taken late
>