> There is less than 1000 rows and i've got a 75-100ms to get one row by id > With memcached it's 2ms.... > > I don't know where is the problem. jvm ? cassandra ? phpcassa ? > > What can i do to detect where is the problem ?
I'm not familiar with the PHP client, but this sounds suspiciously like a nagle + delayed ACK problem. The PHP client probably isn't setting the TCP_NODELAY flag (or the equivalent in Windows). Google for "nagle delayed ack" for details. -- / Peter Schuller
