is in the
neighbourhood of 10)
Is this inline with what you usually see with Cassandra?
- Original Message -
From: Peter Schuller
To: user@cassandra.apache.org
Sent: Friday, April 29, 2011 12:21 PM
Subject: Re: Performance tests using stress testing tool
Thanks Peter. I am using
Message -
From: Peter Schuller
To: user@cassandra.apache.org
Sent: Thursday, April 28, 2011 1:21 PM
Subject: Re: Performance tests using stress testing tool
When I looked at the benchmark client machine, it was not under any stress
in terms of disk or CPU.
Are you running with the python
Thanks Peter. I am using java version of the stress testing tool from the
contrib folder. Is there any issue that should be aware of? Do you recommend
using pystress?
I just saw Brandon file this:
https://issues.apache.org/jira/browse/CASSANDRA-2578
Maybe that's it.
--
/ Peter Schuller
a) I am not seeing cpu usage more than 10pct.
Sounds like the benchmarking client is bottlenecking.
In some of the forums, i see
that 8 cpu 32 gb is considered as good sweet spot for cassandra. Is this
true?
Seems reasonable in a very general sense, but of course varies with use-case.
To: user@cassandra.apache.org
Sent: Thursday, April 28, 2011 2:34 AM
Subject: Re: Performance tests using stress testing tool
a) I am not seeing cpu usage more than 10pct.
Sounds like the benchmarking client is bottlenecking.
In some of the forums, i see
that 8 cpu 32 gb is considered as good
When I looked at the benchmark client machine, it was not under any stress
in terms of disk or CPU.
Are you running with the python multiprocessor module available?
stress should print a warning if it's not. If it's not, you'd end up
with a threaded mode and due to Python's GIL you'd be