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From ruslan usifov <ruslan.usi...@gmail.com>
Subject Re: Resident size growth
Date Tue, 10 Apr 2012 16:01:00 GMT
also i suggest to setup disk_access_mode: mmap_index_only

2012/4/9 Omid Aladini <omidaladini@gmail.com>

> Thanks. Yes it's due to mmappd SSTables pages that count as resident size.
>
> Jeremiah: mmap isn't through JNA, it's via java.nio.MappedByteBuffer I
> think.
>
> -- Omid
>
> On Mon, Apr 9, 2012 at 4:15 PM, Jeremiah Jordan
> <JEREMIAH.JORDAN@morningstar.com> wrote:
> > He says he disabled JNA.  You can't mmap without JNA can you?
> >
> > On Apr 9, 2012, at 4:52 AM, aaron morton wrote:
> >
> > see http://wiki.apache.org/cassandra/FAQ#mmap
> >
> > Cheers
> >
> > -----------------
> > Aaron Morton
> > Freelance Developer
> > @aaronmorton
> > http://www.thelastpickle.com
> >
> > On 9/04/2012, at 5:09 AM, ruslan usifov wrote:
> >
> > mmap sstables? It's normal
> >
> > 2012/4/5 Omid Aladini <omidaladini@gmail.com>
> >>
> >> Hi,
> >>
> >> I'm experiencing a steady growth in resident size of JVM running
> >> Cassandra 1.0.7. I disabled JNA and off-heap row cache, tested with
> >> and without mlockall disabling paging, and upgraded to JRE 1.6.0_31 to
> >> prevent this bug [1] to leak memory. Still JVM's resident set size
> >> grows steadily. A process with Xmx=2048M has grown to 6GB resident
> >> size and one with Xmx=8192M to 16GB in a few hours and increasing. Has
> >> anyone experienced this? Any idea how to deal with this issue?
> >>
> >> Thanks,
> >> Omid
> >>
> >> [1] http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7066129
> >
> >
> >
> >
>

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