"Bruce Momjian" <pgman@candle.pha.pa.us> wrote > > Any idea why there is such a variance in the result? The second run > looks quite slow. >
No luck so far. It is quite repeatble in my machine -- runing times which show a long execution time: 2, 11, 14, 21 ... But when I do strace, the weiredness disappered totally. Have we seen any strange things like this before? Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org