On Mon, 28 Nov 2005, Qingqing Zhou wrote: > > > On Mon, 28 Nov 2005, Gavin Sherry wrote: > > > > MySQL, Oracle and others implement read-ahead threads to simulate async IO > > 'pre-fetching'. > > Due to my tests on Windows (using the attached program and change > enable_aio=true), seems aio doesn't help as a separate thread - but maybe > because my usage is wrong ...
Right, I would imagine that it's very close. I intend to use kernel based async IO so that we can have the prefetch effect of your sample program without the need for threads. Thanks, Gavin ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
