| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Joseph Shraibman <jks(at)selectacast(dot)net> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: VACUUM and open transactions |
| Date: | 2006-10-19 20:22:36 |
| Message-ID: | 20061019202236.GD13348@svana.org |
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| Lists: | pgsql-general |
On Thu, Oct 19, 2006 at 04:18:50PM -0400, Joseph Shraibman wrote:
> I'm running postgres 8.0.8. I have a table that is updated very
> rapidly, so I vacuum it every 10 minutes. The problem is that I
> sometimes have transactions that hang out for a long time without doing
> anything. These transactions are preventing VACUUM from cleaning up
> tuples that were created and then deleted in transactions that started
> way after the hanging one. Is there any way to fix this?
Sure, don't keep transactions open for so long. Is there a particular
reason you do that?
The problem is that the "old" transaction can see effects of later
started transactions, so VACUUM can't delete the later stuff either...
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
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