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.jor...@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 <omidalad...@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 > > > >
