your JVM options arenot enough. I will give you some detail when I go back office tomorrow.
--Send from my Sony mobile. On Jun 27, 2013 6:09 PM, "Viral Bajaria" <[email protected]> wrote: > I do have a heavy write operation going on. Actually heavy is relative. Not > all tables/regions are seeing the same amount of writes at the same time. > There is definitely a burst of writes that can happen on some regions. In > addition to that there are some processing jobs which play catch up and > could be processing data in the past and they could have more heavy write > operations. > > I think my main problem is, my writes are well distributed across regions. > A batch of puts most probably end up hitting every region since they get > distributed fairly well. In that scenario, I am guessing I get a lot of > WALs though I am just speculating. > > Regarding the JVM options (minus some settings for remote profiling): > -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -verbose:gc > -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation > -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=512M > > On Thu, Jun 27, 2013 at 2:48 AM, Azuryy Yu <[email protected]> wrote: > > > Can you paste your JVM options here? and Do you have an extensive write > on > > your hbase cluster? > > >
