Re: Apparent Wraparound?

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От Alvaro Herrera
Тема Re: Apparent Wraparound?
Дата
Msg-id 20070619133200.GD4265@alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: Apparent Wraparound?  (g.hintermayer@inode.at)
Ответы Re: Apparent Wraparound?  (Gerhard Hintermayer <g.hintermayer@inode.at>)
Список pgsql-general
g.hintermayer@inode.at wrote:
> On Jun 18, 10:44 pm, alvhe...@commandprompt.com (Alvaro Herrera)
> wrote:
>
> >
> > Please check "MultiXact" id consumption.  Do you mean that your server
> > has crashed?
> >
> How do I check MilitXact id consumption ? Is it "Latest checkpoint's
> NextXID:" in the output of pg_controldata ?

No, it is these lines:

> Latest checkpoint's NextMultiXactId:  1
> Latest checkpoint's NextMultiOffset:  0

Which are the initial values.  This means that you haven't use
MultiXacts at all!  The message about failing to truncate the dir is
certainly a bug, and certainly harmless.

> transaction id consumption is ~ 350000 per day (extrapolated from 16
> hours).
> No, the Server has been up for about 2 month (regular reboot due to
> kernel and postgresql upgrade to 8.1.8), was running before for 7
> month flawless, and  before that i migrated from 8.0 to 8.1.4 with a
> complete dump/restore).

And when was the message logged?

--
Alvaro Herrera                        http://www.advogato.org/person/alvherre
"Saca el libro que tu religión considere como el indicado para encontrar la
oración que traiga paz a tu alma. Luego rebootea el computador
y ve si funciona" (Carlos Duclós)

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