Re: Insert only tables and vacuum performance

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Joseph Shraibman <jks@selectacast.net>
Cc: pgsql-performance@postgresql.org
Date: 2004-05-01T03:04:36Z
Lists: pgsql-performance
Joseph Shraibman <jks@selectacast.net> writes:
> INFO:  "elog": found 0 removable, 12869411 nonremovable row versions in 
> 196195 pages
> DETAIL:  0 dead row versions cannot be removed yet.
> There were 5 unused item pointers.
> 0 pages are entirely empty.
> CPU 31.61s/4.53u sec elapsed 1096.83 sec.

Hmm.  These numbers suggest that your disk subsystem's bandwidth is
only about 1.4 Mbytes/sec.  Was there a lot else going on?

			regards, tom lane