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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Region server dies at regular intervals for unknown reasons.
Date Tue, 07 Feb 2017 02:38:23 GMT
0.96 was so old.

Please consider upgrading.

You can do rolling upgrade to 0.98 / 1.x releases (e.g. 1.1.8 or 1.3.0).

On Mon, Feb 6, 2017 at 6:04 PM, Kang Minwoo <minwoo.kang@outlook.com> wrote:

> The version I use is very low.
>
> hbase: 0.96.2
> hadoop: 2.4.1
>
> I did not run hbck.
>
> Thanks
> ________________________________
> 보낸 사람: Ted Yu <yuzhihong@gmail.com>
> 보낸 날짜: 2017년 2월 7일 화요일 오전 10:40:28
> 받는 사람: user@hbase.apache.org
> 제목: Re: Region server dies at regular intervals for unknown reasons.
>
> Kang:
> Please let us know the release of hbase and hadoop you use.
>
> Did you run hbck around the time region server crashed ?
>
> If there was inconsistency, please pastebin as well.
>
> Thanks
>
> On Mon, Feb 6, 2017 at 5:36 PM, Ganesh Viswanathan <gansvv@gmail.com>
> wrote:
>
> > Check the GC logs for HBase and HDFS. Tail and post HBase logs from
> > regionserver and from active HBase master to help debug the root cause.
> >
> >
> >
> > On Mon, Feb 6, 2017 at 5:27 PM Kang Minwoo <minwoo.kang@outlook.com>
> > wrote:
> >
> > > Hello,
> > >
> > >
> > > My region servers die at regular intervals for unknown reasons.
> > > I restarted HBase and region servers continued to die.
> > >
> > > I solved it by eliminating Old WAL.
> > >
> > > Now I'm going through the logs and trying to find the cause.
> > > But I do not know where to look.
> > >
> > > Please let me know if I need to watch carefully to find out why the
> > Region
> > > server is dying.
> > > I think it will be very helpful.
> > >
> > > Not all region servers were killed, and only some region servers died.
> > >
> > > Thanks.
> > >
> >
>

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