Hi,
I am in the middle of some load testing on a 1-node Cassandra setup. We are
not on very high loads yet. We have recorded the timings taken up by
mutator.execute() calls and we see this kind of variation during the test
run:
So, 25% of the times, execute() calls come back in 25 milli-seconds,
Sounds like GC from your description of fast-slow-fast. Collect GC times
from both the client and server side and plot against your application
timing.
If you uncomment the verbose GC entries in the cassandra-env.sh file you
should get timing for the server side, pass in the same arguments for
http://wiki.apache.org/cassandra/FAQ#slows_down_after_lotso_inserts
Aaron
On 11 Mar 2011, at 05:08, sridhar basam wrote:
Sounds like GC from your description of fast-slow-fast. Collect GC times
from both the client and server side and plot against your application timing.
If you
Hi All,
Thanks for the inputs. I will start investigating this morning with the help
of these.
Regards,
Roshan
On Fri, Mar 11, 2011 at 2:49 AM, aaron morton aa...@thelastpickle.comwrote:
http://wiki.apache.org/cassandra/FAQ#slows_down_after_lotso_inserts