There is something wrong with the system. Your benchmarks are way off. How are you benchmarking? Are you using the stress lib included? On Nov 19, 2011 8:58 PM, "Kent Tong" <freemant2...@yahoo.com> wrote:
> Hi, > > On my computer with 2G RAM and a core 2 duo CPU E4600 @ 2.40GHz, I am > testing the > performance of Cassandra. The write performance is good: It can write a > million records > in 10 minutes. However, the query performance is poor and it takes 10 > minutes to read > 10K records with sequential keys from 0 to 9999 (about 100 QPS). This is > far away from > the 3,xxx QPS found on the net. > > Cassandra decided to use 1G as the Java heap size which seems to be fine > as at the end > of the benchmark the swap was barely used (only 1M used). > > I understand that my computer may be not as powerful as those used in the > other benchmarks, > but it shouldn't be that far off (1:30), right? > > Any suggestion? Thanks in advance! > >