Just post the explain analyze output here on the list. There's lots
of folks here who can read it.
On Wed, Jun 4, 2008 at 5:49 PM, Jason Long
<mailing.list@supernovasoftware.com> wrote:
> Yes.
> This is what I do.
> 1. Vacuum full
> 2. Reindex force
> This is done ever night
>
> My users complained about a report being slow.
>
> I grabbed a dump and restored it to my development machine.
>
> The query worked just fine, but not on the production server.
>
> I did a vacuum full and then reran the query. Now it performs just as slow
> as on the production machine. That is the only change I made.
>
> I am in the process of trying to figure out the EXPLAIN ANALYZE for both
> queries, but I have never had to read this output and I am unfamiliar with
> how to find the problem. I will post both here and maybe someone can help
> me out.
>
>
>
> Joshua D. Drake wrote:
>
> On Wed, 2008-06-04 at 17:02 -0500, Jason Long wrote:
>
>
> I have a query that takes 2 sec if I run it from a freshly restored
> dump. If I run a full vacuum on the database it then takes 30 seconds.
>
>
> If you run it a second time after the vacuum full?
>
> Joshua D. Drake
>
>
>
>
