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From Ted Yu <yuzhih...@gmail.com>
Subject Re: hbase server incorrect shutdown case table corruption?
Date Sat, 16 Mar 2013 04:00:41 GMT
Sounds like a plan.

On Fri, Mar 15, 2013 at 6:22 PM, <Yuling_C@dell.com> wrote:

> So, I guess we should load the latest 0.94.5 and give it a try...if we
> still see the issue, we should report it as an HBase bug?
>
> Thanks,
>
> YuLing
>
> -----Original Message-----
> From: Sergey Shelukhin [mailto:sergey@hortonworks.com]
> Sent: Friday, March 15, 2013 6:07 PM
> To: user@hbase.apache.org
> Subject: Re: hbase server incorrect shutdown case table corruption?
>
> I think it is not acceptable to assume proper shutdown... if this is a
> real issue we should fix it, unless it's already fixed on trunk.
>
> On Fri, Mar 15, 2013 at 5:50 PM, Ted <yuzhihong@gmail.com> wrote:
>
> > Upgrading to 0.94.5 is definitely recommended.
> >
> > As for inconsistencies in .META. Table, can you avoid improper shutdown ?
> >
> > On Mar 15, 2013, at 5:36 PM, <Yuling_C@DELL.com> wrote:
> >
> > > Hi Ted,
> > >
> > > We're using 0.94.1. Do you think if we upgrade to 0.94.5, the issue
> > > will
> > be gone? I mean, HBase won't have this META inconsistence issue after
> > incorrect shutdown?
> > >
> > > We encountered quite a few major issues with 0.94.2, that's why we
> > picked 0.94.1. Does that mean 0.94.5 is a pretty stable load?
> > >
> > > Thanks,
> > >
> > > YuLing
> > >
> > > -----Original Message-----
> > > From: Ted Yu [mailto:yuzhihong@gmail.com]
> > > Sent: Friday, March 15, 2013 3:51 PM
> > > To: user@hbase.apache.org
> > > Subject: Re: hbase server incorrect shutdown case table corruption?
> > >
> > > Which HBase version are you using ?
> > >
> > > Did the HBase server experiencing shutdown carry the .META. table ?
> > >
> > > Thanks
> > >
> > > On Fri, Mar 15, 2013 at 3:45 PM, <Yuling_C@dell.com> wrote:
> > >
> > >> Hi,
> > >>
> > >> We recently encountered a few issues about hbase server incorrect
> > >> shutdown causing table corruption issues. Basically, if the HBase
> > >> server was not gracefully shutdown using stop-hbase.sh, instead it
> > >> was shutdown by linux server reboot, we got '.META' table missing
> > >> table rows. We were able to use 'hsbk -fixMeta -fixAssignment' to
> > >> recover from this issue. However, I was wondering if this is the
> > >> expected behavior of HBase that when hbase server is not gracefully
> > >> shutdown, the database get into inconsistency state?  Is there any
> > >> way from hbase
> > configuration point of view to avoid this behavior?
> > >>
> > >> Thanks,
> > >>
> > >> YuLing
> > >>
> >
>

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