I am just wondering, why the stress test tools (python, java) need more threads ? Is the bottleneck of a single thread in the client, or in the server? Thanks.
Sean 2011/3/22 Ryan King <r...@twitter.com> > On Mon, Mar 21, 2011 at 4:02 AM, pob <peterob...@gmail.com> wrote: > > Hi, > > I'm inserting data from client node with stress.py to cluster of 6 nodes. > > They are all on 1Gbps network, max real throughput of network is 930Mbps > > (after measurement). > > python stress.py -c 1 -S 170000 -d{6nodes} -l3 -e QUORUM > > --operation=insert -i 1 -n 500000 -t100 > > The problem is stress.py show up it does avg ~750ops/sec what is 127MB/s, > > but the real throughput of network is ~116MB/s. > > You may need more concurrency in order to saturate your network. > > -ryan >