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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Region Server does not close FD.
Date Wed, 16 Aug 2017 02:38:37 GMT
The JIRA should be HDFS-12204

On Tue, Aug 15, 2017 at 7:34 PM, Josh Elser <elserj@apache.org> wrote:

> Minwoo -- any chance you could share some details about that Hadoop
> issue? Something on JIRA?
>
> On Tue, Aug 15, 2017 at 8:11 PM, Kang Minwoo <minwoo.kang@outlook.com>
> wrote:
> > My team member tries to resolve this issue.
> > And He found it is a Hadoop Issue.
> > He tries to test purging FD.
> >
> > Best regards,
> > Minwoo Kang
> >
> > ________________________________________
> > 보낸 사람: Kang Minwoo <minwoo.kang@outlook.com>
> > 보낸 날짜: 2017년 8월 11일 금요일 오전 11:18:58
> > 받는 사람: user@hbase.apache.org
> > 제목: Region Server does not close FD.
> >
> > Hello, HBase Users.
> >
> > These days, My team upgrade HBase Version up to 1.2.6 and test in our
> product.
> > In the meantime, My team improves real machine Fault handling.
> >
> > My server is JBOD. So My team decided using data node volume failures
> thresholds in HDFS Feature.
> > My team set an option that is data node volume failures thresholds.
> > After that, My team received a call our infra team.
> > Because they could not unmount disk because FD was still alive.
> >
> > So My team tracked FD, and My team found Region Server had that FD.
> > I do not know why does Region Server not closed FD.
> > (My team use shortcircuit.)
> >
> > Have you ever experienced the same problem?
> >
> > My team member created a Jira Issue[1].
> >
> > Best regards,
> > Minwoo Kang
> >
> > [1]: https://issues.apache.org/jira/browse/HBASE-18454
>

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