Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS, mail # dev - deadNodes in DFSInputStream


Copy link to this message
-
Re: deadNodes in DFSInputStream
Colin McCabe 2013-12-31, 22:12
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 <[EMAIL PROTECTED]> 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