As you suggested with two threads I get 42.39 Mb/s in one and 40.70 Mb/s in the other one, so that's more than 80Mb/s. That's what I expected with a single thread, so thanks for the information. It seems I will have to buy better hard drives if I want increased performance...
A Dimecres 30 Maig 2007 22:13, Luke Lonergan va escriure: > Not for one thread/process of I/O. Mirror sets can nearly double the read > performance on most RAID adapters or SW RAID when using two or more > thread/processes, but a single thread will get one drive worth of > performance. > > You should try running two simultaneous processes during reading and see > what you get. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster