Hadoop Version : *Hadoop 2.4.1* --Senthil
On Wed, Aug 10, 2016 at 6:58 PM, Zhe Zhang <zhe.zhang.resea...@gmail.com> wrote: > 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 >
