From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alan Stange <stange@rentec.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: vacuum performance
Date: Fri, 19 Mar 2004 01:18:20 -0500
Message-ID: <20588.1079677100@sss.pgh.pa.us> (raw)
In-Reply-To: <405A7576.9000208@rentec.com>
References: <405A7576.9000208@rentec.com>
Alan Stange <stange@rentec.com> writes:
> I do a truss on the process and see the output below looping over and
> over. Note the constant opening and closing of the file 42064889.3.
> Why the open/close cycle as opposed to caching the file descriptor
> somewhere?
This is probably a "blind write". We've gotten rid of those for 7.5.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, stange@rentec.com
Subject: Re: vacuum performance
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