On 12/17/07, Decibel! <[EMAIL PROTECTED]> wrote: > Also, has anyone looked into adding a class of system calls that > would actually tell us if the kernel issued physical IO? I find it > hard to believe that other RDBMSes wouldn't like to have that info...
Non-blocking style interfaces can help here. On Windows, for instance, a read returns data at the call site if it was satisfied by cache, instead of invoking the asynchronous notification. ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq