Re: Finding if old transactions are running...

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От Bruce Momjian
Тема Re: Finding if old transactions are running...
Дата
Msg-id 200502250111.j1P1Bhk11781@candle.pha.pa.us
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Ответ на Re: Finding if old transactions are running...  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Finding if old transactions are running...  (jtv@xs4all.nl)
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Tom Lane wrote:
> Christopher Kings-Lynne <chriskl@familyhealth.com.au> writes:
> >> It sure would be nice to be able to have a way to query the start time
> >> of the eldest transaction on the system.  If that could be done at a
> >> not-too-high cost, it would be eminently helpful for various sorts of
> >> maintenance processes so that you could assortedly:
> 
> > You can get that from pg_stat_activity, if you have the relevant stats 
> > turned on.
> 
> pg_stat_activity will tell you about the oldest active query, but not
> about oldest open transaction.

And pg_stat_activity can lose information when the network is under
heavy load too.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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