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From Colin McCabe <cmcc...@alumni.cmu.edu>
Subject Re: deadNodes in DFSInputStream
Date Tue, 31 Dec 2013 22:12:31 GMT
Take a look at HDFS-4273, which fixes some issues with the read retry logic.


On Tue, Dec 31, 2013 at 1:25 AM, lei liu <liulei412@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

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