| From: | Wes <wespvp(at)syntegra(dot)com> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Deadlock Detected (revisited) |
| Date: | 2005-11-26 03:29:19 |
| Message-ID: | BFAD32AF.6DB4%wespvp@syntegra.com |
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| Lists: | pgsql-general |
On 11/25/05 9:12 PM, "Stephan Szabo" <sszabo(at)megazone(dot)bigpanda(dot)com> wrote:
> The latter, the row locks before were single owner and were such that a
> second lock request for the same row would wait for the first to be
> released. Now effectively you have two levels of locks at the row level,
> the weaker of which conflicts with the stronger but not with itself.
Now I understand. Thanks for clarifying.
It sounds like there may be some performance improvements that will be
beneficial to us also. Hopefully I can convince them to agree to the 8.1
upgrade. Besides verifying our application, it takes a full weekend to do
the dump/load - the database is just under a billion rows.
Wes
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