Re: [HACKERS] Heh, the disappearing problem!
Bruce Momjian <maillist@candle.pha.pa.us>
From: Bruce Momjian <maillist@candle.pha.pa.us>
To: karl@mcs.net (Karl Denninger)
Cc: hackers@postgreSQL.org
Date: 1998-03-10T04:05:49Z
Lists: pgsql-hackers
> I've seen this same kind of behavior in a few other places as well; in > places where you are doing reads and writes in a mixed environment (ie: read > something, write something (typically in a different table) based on what > you read) performance of 6.3 has gone in the toilet. Update jobs that used > to run in tens of seconds are requiring several minutes to complete now. > > And again, we're not seeing much disk I/O during this period - but we *ARE* > seeing a hell of a lot of CPU activity, almost all in user mode. OK, how about using postgres -t option or profiling to get the function using so much cpu? This may help us tell where the problem lies. Does anyone else see such problems? All other reports I hear was that 6.3 was faster. -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)