From: | jseymour(at)LinxNet(dot)com (Jim Seymour) |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Problems Vacuum'ing |
Date: | 2004-04-02 19:51:30 |
Message-ID: | 20040402195130.B9AF04307@jimsun.LinxNet.com |
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Lists: | pgsql-hackers |
>
> On Fri, Apr 02, 2004 at 12:02:22PM -0500, Jim Seymour wrote:
>
> [...]
>
> > Which is all well-and-good (tho, my ignorance readily conceded, four
> > minutes seems a mite... long), *except*: If I shut-down the
> > WebObjects application which, again, never accesses the db in
> > question, much-less any of its tables, this "time-out" doesn't seem
> > to apply. (I tried it.)
>
> Ok, so the WebObjects app keeps an idle open transaction? (i.e. it
> issues a BEGIN as soon as the previous transaction is finished.) I'm not
> sure I read the code correctly --
I really couldn't say. I don't know what the WebObjects app is
doing. I know, or *believe* I know, it's only doing queries. (It
may be doing temp tables internally, or some-such.) Its interface
to pgsql is via the JDBC that comes with pgsql. I don't know what
the Java code it generated looks like.
> ISTM it would only matter when you try
> to vacuum a shared table, which this is not ...
That's what I would've thought.
Thanks for the follow-up. I was beginning to wonder if anybody'd
noticed ;).
Jim
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