Magnus Hagander wrote: > I don't think that's correct either. Scatter/Gather I/O is used to SQL > Server can issue reads for several blocks from disks into it's own > buffer cache with a single syscall even if these buffers are not > sequential. It did make significant performance improvements when they > added it, though. > > (For those not knowing - it's ReadFile/WriteFile where you pass an array > of "this many bytes to this address" as parameters)
Isn't that like the BSD writev()/readv() that Linux supports also? Is that something we should be using on Unix if it is supported by the OS? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
