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From <Yulin...@DELL.com>
Subject RE: hbase server incorrect shutdown case table corruption?
Date Sat, 16 Mar 2013 01:22:20 GMT
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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