It would move blocks that are used by the local region servers, messing up your block locality. That the first reason I can think of.
J-D On Mon, May 16, 2011 at 11:14 AM, Erik Onnen <[email protected]> wrote: > Is there any reason why running an HDFS balancer on the filesystem > used for HBase would be considered bad practice? Doesn't seem so to me > at face value but I wanted to be sure it seemed sane before enabling > it. > > Thanks, > -erik >
