thanks Andrew,
On Fri, Apr 9, 2010 at 2:30 AM, Andrew Purtell <apurt...@apache.org> wrote: > My suggestions: > > Don't run below INFO logging level for performance reasons once you have a > cluster up and running. > > we are running the cluster at INFO level. > Instead of using DN logs, instead export HBase and HDFS metrics via > Ganglia. > > http://wiki.apache.org/hadoop/GangliaMetrics > > http://hadoop.apache.org/hbase/docs/current/metrics.html > the Ganglia HBase metrics sounds good, where can I get more information about it. thanks. > - Andy > > > On Thu, Apr 8, 2010 at 2:51 AM, steven zhuang > > <steven.zhuang.1...@gmail.com> wrote: > > >... > > > At present, my idea is calculating the data > > > IO quantity of both HDFS and HBase for a given day, and > > > with the result we can have a rough estimate > > > of the situation. > > > > > >
