Hi Henry,

I checked the process listing via ps and top, and saw VIRT=6477m  and
RES=83m.

How would one check if it is the jvm heap vs mapped space?

Thanks as always Henry.
Ed

On Thu, Nov 10, 2011 at 2:04 PM, Henry Robinson <[email protected]> wrote:

> Ed - how are you making the observation that the heap size is 6477m? Is it
> from a profiler, or from top or similar? The amount of virtual memory
> mapped for Java processes can often be very large, especially on recent
> RHEL systems with the new arena allocator in glibc. Worth checking whether
> it's the JVM heap or the amount of mapped space.
>
> cheers,
> Henry
>
> On 10 November 2011 13:47, Ed Sexton <[email protected]> wrote:
>
> > Hello Group-
> >
> > I am running CDH zookeeper version 3.3.3+12.12 and noticed that zookeeper
> > is running with a heapsize of 6477m.
> >
> > I start zookeeper standalone, via /etc/init.d/hadoop-zookeeper-server.  I
> > do not see reference to any ZOOKEEPER_HEAPIZE in the startup or zoo.cfg,
> > nor do I see any special JVMFLAGS in export/usr/bin/zookeeper-server,
> which
> > is what is called by the startup script, it just has this definition:
> >
> > JVMFLAGS=-Dzookeeper.log.threshold=INFO
> >
> > Can someone guide me to where the 6GB heapsize is being referenced?  This
> > seems a bit large of a heap.
> >
> > Thanks for your guidance.
> >
> > Sincerely,
> > Ed
> >
>
>
>
> --
> Henry Robinson
> Software Engineer
> Cloudera
> 415-994-6679
>



-- 
Sincerely,
Ed Sexton
e: [email protected]
gv: (408) 475-2358

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