>>>>> "TL" == Tom Lane <[EMAIL PROTECTED]> writes:
TL> Just nice'ing the VACUUM process is likely to be counterproductive TL> because of locking issues (priority inversion). Though if anyone cares TL> to try it on a heavily-loaded system, I'd be interested to hear the TL> results... tried it once. didn't make much difference except that vacuum took longer than normal. i didn't see any deadlocks. i actually figured out what my main problem was. vacuum every 6 hours on my two busiest tables was taking longer than 6 hours when we were very busy... -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: [EMAIL PROTECTED] Rockville, MD +1-240-453-8497 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match