> As a quick fix, since we're upgrading to 7.4.2 in a few weeks anyhow 
> (which includes pg_autovacuum), I've simply set up an hourly vacuum on 
> this table. It only takes ~4 seconds to execute when kept up on an 
> hourly basis. Is there any penalty to vacuuming too frequently, other 
> than the time wasted in an unnecessary vacuum operation?

Nope, no penalty other than the I/O and CPU load while vacuuming.   If you 
have a lot of transactions involving serial writes to many tables, sometimes 
you can get into a deadlock situation, which is annoying, but I wouldn't 
assume this to be a problem until it crops up.

-Josh Berkus
 Aglio Database Solutions
 San Francisco

---------------------------(end of broadcast)---------------------------
TIP 3: if posting/reading through Usenet, please send an appropriate
      subscribe-nomail command to [EMAIL PROTECTED] so that your
      message can get through to the mailing list cleanly

Reply via email to