Hi Nate, On Wed, Feb 3, 2010 at 12:31 AM, Nathan McCall <n...@vervewireless.com> wrote: > Thank you for the benchmarks. What version of Cassandra are you using? I am using 0.5 release. > I had about 80% performance improvement on single node reads after > using a trunk build with the results from > https://issues.apache.org/jira/browse/CASSANDRA-688 (result caching) > and playing around with the configuration. I am not yet running this > in production though, so I cannot provide any real numbers. > Do you any specific config parameters needs to be used for this purpose?
> That said, I have no intention of deploying a single node. I keep > seing performance concerns from folks on small or single node > clusters. My impression so far is that Cassandra may not be the right > solution for these types of deployments. As part of evaluation we are testing cassandra with single node. I agree for deployment it is not good having just single node. <<snip>> > > What I found to have been most valuable for my evaluation was to get a > good test together with some real data from our system and then add > nodes, remove nodes, break nodes, etc. and watch what happens. Once I > finish with this, it looks like I will have some solid numbers to do > some capacity planning for figuring out exactly how much hardware to > purchase and when I will need to add more. We are just doing some basic tests. If cassandra passes these tests, may be we will do tests you mentioned later. thanks, -Aita
