Which version of Hadoop is your cluster / Balancer running? On Wed, Aug 10, 2016 at 6:27 AM, Senthil Kumar <senthilec...@gmail.com> wrote:
> Hi Team , We are running big cluster ( 3000 nodes cluster ) , many time we > are hitting Median Increasing to 99.99 % ( 80 % of the DN's ) . Balancer > is running all time in cluster ..But still median is not coming down i.e < > 90 % .. > > Here is how i start balancer ? > /apache/hadoop/sbin/start-balancer.sh > -Ddfs.balance.bandwidthPerSec=104857600 *-threshold 30* > > What the recommended value for thershold ?? Is there any way to pass param > only to move blocks from Over Utilized ( 98-100%) to under utilized ? > > > Pls advise! > > > > > Regards, > Senthil > -- Zhe Zhang Apache Hadoop Commiter http://zhe-thoughts.github.io/about/ | @oldcap
