"Jignesh K. Shah" <[EMAIL PROTECTED]> writes: > There are no hard failures reported anywhere. Log min durations does > show that queries are now slowing down and taking longer. > OS is not swapping and also eliminated IO by putting the whole database > on /tmp
Hmm. Do you see any evidence of a context swap storm (ie, a drastic increase in the context swaps/second reading reported by vmstat)? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match