| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Aris Samad-Yahaya <aris(at)quickschools(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: CREATE TABLE slowing down significantly over time |
| Date: | 2009-11-09 03:58:49 |
| Message-ID: | 603c8f070911081958sbac9712k15f50b80e5419d3c@mail.gmail.com |
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| Lists: | pgsql-performance |
On Sat, Nov 7, 2009 at 11:58 PM, Aris Samad-Yahaya
<aris(at)quickschools(dot)com> wrote:
> We vacuum analyze nightly, and vacuum normally ad-hoc (but we're going to
> schedule this weekly moving forward).
>
> Interesting pointer about system catalog bloat. I tried to vacuum full the
> system catalog tables (pg_*), and the performance for creating a single
> table manually improved dramatically (back to what it used to be), but as
> soon as I created the next schema, the performance went back down to the
> same level.
>
> So there's a clue there somewhere. Next I will try to vacuum full the entire
> database.
And maybe REINDEX, too.
...Robert
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