| From: | "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | "Peter Childs" <peterachilds(at)gmail(dot)com> |
| Cc: | "Postgresql Performance" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Commit takes a long time. |
| Date: | 2008-01-03 16:20:01 |
| Message-ID: | 162867790801030820w6a150ab8jf63d03e92de449ed@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-performance |
Hello
On 03/01/2008, Peter Childs <peterachilds(at)gmail(dot)com> wrote:
> Using Postgresql 8.1.10 every so often I get a transaction that takes a
> while to commit.
>
> I log everything that takes over 500ms and quite reguallly it says things
> like
>
> 707.036 ms statement: COMMIT
>
> Is there anyway to speed this up?
>
there can be two issues:
a) some trigger activity for DEFERRED constraints
b) slow write to WAL
http://www.westnet.com/~gsmith/content/postgresql/
in normal cases COMMIT is really fast operation.
Regards
Pavel Stehule
> Peter Childs
>
>
>
>
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