I learned the hard way, that running py_stress in the src/contrib directory is a great way to test what kind of speeds you are really getting.
What tools / client are you using to test to get the 200ms number? stu On Thu, Apr 29, 2010 at 7:12 AM, Viktor Jevdokimov < viktor.jevdoki...@adform.com> wrote: > Hi all, > > > > We have installed Cassandra on Windows and found that with any number of > Cassandra (single, or 3 node cluster) on Windows Vista or Windows Server > 2008, 32 or 64 bit, with any load or number of requests we, have: > > > > When client and server are on the same machine, connect/read/write > latencies ~0-1ms > > When client on another machine, same network, on the same switch, > connection latency 0-1ms (as a ping), read/write latencies >=200ms. > > > > What causes 200ms latency accessing Cassandra on Windows through network? > Does anybody experience such behavior? > > > > Cassandra 0.6.1 > > Java SE 6 u20 > > > > > > Best regards, > > Viktor > > >