Re: Negative result with (now()-previously_inserted_timestamp)

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Gurjeet Singh <singh(dot)gurjeet(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PGSQL Bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Negative result with (now()-previously_inserted_timestamp)
Date: 2010-07-07 15:38:54
Message-ID: 1278517019-sup-2193@alvh.no-ip.org
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Excerpts from Gurjeet Singh's message of mié jul 07 00:43:32 -0400 2010:

> If you must know, this instance is on a low-cost, hosted, Xen virtual
> machine.

I think Tom diagnosed an issue affecting pgstats as being out of sync
gettimeofday() results on different processes. IIRC this was on a
virtualized machine of some kind.

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