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 <liulei...@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
