Any reason not to add the incremental mode settings? It's unusual to see a Cassandra node out of CPU, but wild heap oscillations are pretty common.
On Thu, Aug 26, 2010 at 8:54 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > added CMSInitiatingOccupancyFraction=80 for 0.6.6 and 0.7beta2 > > On Thu, Aug 26, 2010 at 9:57 PM, Benjamin Black <b...@b3k.us> wrote: >> imo, these should be part of the defaults. >> >> On Tue, Aug 24, 2010 at 8:29 AM, Mikio Braun <mi...@cs.tu-berlin.de> wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Dear all, >>> >>> thanks again for all the comments I got on my last post. I've played a >>> bit with different GC settings and got my Cassandra instance to run >>> very nicely with 8GB of heap. >>> >>> I summarized my experiences with GC tuning in this follow-up post: >>> >>> http://blog.mikiobraun.de/2010/08/cassandra-gc-tuning.html >>> >>> - -M >>> >>> - -- >>> Dr. Mikio Braun email: mi...@cs.tu-berlin.de >>> TU Berlin web: ml.cs.tu-berlin.de/~mikio >>> Franklinstr. 28/29 tel: +49 30 314 78627 >>> 10587 Berlin, Germany >>> >>> >>> >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v1.4.9 (GNU/Linux) >>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >>> >>> iEYEARECAAYFAkxz5WcACgkQtnXKX8rQtgDiiwCeLknuTcr65eehwIcsivInjv4W >>> LaQAn3RY9pH19r8SuUhVBvtE6LeyFUvB >>> =MYsY >>> -----END PGP SIGNATURE----- >>> >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
