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Posted to hdfs-dev@hadoop.apache.org by Haosong Huang <ha...@gmail.com> on 2014/01/01 07:26:43 UTC

Re: deadNodes in DFSInputStream

Why the status of HDFS-4273 is still "Unresolved"?
HDFS-5540<https://issues.apache.org/jira/browse/HDFS-5540> is
fixed now.


On Wed, Jan 1, 2014 at 6:12 AM, Colin McCabe <cm...@alumni.cmu.edu> wrote:

> Take a look at HDFS-4273, which fixes some issues with the read retry
> logic.
>
> cheers,
> Colin
>
> On Tue, Dec 31, 2013 at 1:25 AM, lei liu <li...@gmail.com> wrote:
> > I use Hbase-0.94 and CDH-4.3.1
> > When RegionServer read data from loca datanode, if local datanode is
> dead,
> > the local datanode is add to deadNodes, and RegionServer read data from
> > remote datanode. But when local datanode is become live, RegionServer
> still
> > read data from remote datanode, that reduces the performance of
> RegionServer.
> > We need to on way that remove local datanode from deadNodes when the
> local
> > datanode is become live.
> >
> > I can do it, please everybody give some advises.
> >
> >
> > Thanks,
> >
> > LiuLei
>



-- 
Best Regards,
Haosdent Huang