Re: Return of the Solaris vacuum polling problem -- anyone remember this?

> 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