Re: Dead Lock problem with 8.1.3
| От | Andrew Sullivan |
|---|---|
| Тема | Re: Dead Lock problem with 8.1.3 |
| Дата | |
| Msg-id | 20060927175104.GB16677@phlogiston.dyndns.org обсуждение |
| Ответ на | Re: Dead Lock problem with 8.1.3 (Kai Hessing <kai.hessing@hobsons.de>) |
| Ответы |
Re: Dead Lock problem with 8.1.3
|
| Список | pgsql-general |
On Wed, Sep 27, 2006 at 06:46:42PM +0200, Kai Hessing wrote:
>
> Deadlock means it hangs up and doesn't terminate through timeout.
No, it doesn't. Deadlock means, for the two deadlocked queries, both
cannot possibly finish because each waits on a lock that the other
one holds.
You can cause such deadlocks in your application, too, of course, but
they're not database deadlocks.
Also. . .
> There is no output. It just takes forever.
. . .define "forever". Is it doing any work? Do you see i/o? Is it
in SELECT WAITING state?
A
--
Andrew Sullivan | ajs@crankycanuck.ca
This work was visionary and imaginative, and goes to show that visionary
and imaginative work need not end up well.
--Dennis Ritchie
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