Re: Return of the Solaris vacuum polling problem -- anyone remember this?
Josh Berkus <josh@agliodbs.com>
From: Josh Berkus <josh@agliodbs.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-08-18T18:49:15Z
Lists: pgsql-hackers
> What I find interesting about that trace is the large proportion of
> writes. That appears to me to indicate that it's *not* a matter of
> vacuum delays, or at least not just a matter of that. The process seems
> to be getting involved in having to dump dirty buffers to disk. Perhaps
> the background writer is malfunctioning?
You appear to be correct in that it's write-related. Will be testing on
what specificially is producing it.
Note that this is one of two ostensibly duplicate servers, and the issue
has never appeared on the other server.
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com