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From felix gao <gre1...@gmail.com>
Subject Re: namenode grows overtime
Date Fri, 20 Jan 2012 01:09:48 GMT
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 <harsh@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 <gre1600@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
>

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