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From Benjamin Black...@b3k.us>
Subject Re: Follow-up post on cassandra configuration with some experiments on GC tuning
Date Fri, 27 Aug 2010 07:00:32 GMT
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 <jbellis@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 <mikio@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: mikio@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
>

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