I noticed this from doing a top of the process and it is reporting the RES is about 80% of the allocated.
On Wed, Jan 18, 2012 at 6:56 PM, Harsh J <ha...@cloudera.com> wrote: > Felix, > > Are you noticing this from the NN Web UI or from proper JVM monitoring > tools? Just so you know, the UI had a flaw that has since been fixed: > https://issues.apache.org/jira/browse/HDFS-94 > > On Thu, Jan 19, 2012 at 4:53 AM, felix gao <gre1...@gmail.com> wrote: > > Hi guys, > > > > we are running Hadoop 0.20.2+228, the namenode process's memory grows > > overtime to occupy over 18GB. However, if I restart the namenode, it > only > > occupies about 10GB after it is stable. I am wondering if there is > anyway > > to figure out what is going on with namenode that causes it to grow very > > rapidly and if there are any tools to make the namenode printout some > useful > > information on what is holding onto that memory. > > > > Thanks, > > > > Felix > > > > -- > Harsh J > Customer Ops. Engineer, Cloudera >