Nice detective work! Good to know what was causing that. Thanks!
On Fri, Apr 23, 2010 at 2:29 PM, Heath Oderman <he...@526valley.com> wrote: > Really interesting find. > After Jonathan E. suggested py_stress and it seemed clear the problem was in > my .net client I spent a few days debugging the client in detail. > I ended up changing my CassandraContext instantiation to use a > TBuffferedProtocol(TSocket) instead of a > TSocket directly. > The difference was *dramatic*. > The calls to debian suddenly behaved as expected, eclipsing the write speeds > under load of the calls to the OSX box by a factor of 2! > The change caused a performance increase in the client communicating with > OSX as well, but the improvement was smaller. > I don't understand exactly, but clearly there's a difference in the way that > Debian and OSX handle socket level communications that has a big effect on a > .net client calling in from windows. > It's been a really interesting experiment and I throughly appreciate all the > help and pointers I've gotten from this list. > Cassandra is so fast, and so impressive it strains credibility. I'm totally > amazed by what these guys have put together. > Thanks, > Stu
