| From: | "Michael A(dot) Olson" <mao(at)sleepycat(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Performance (was: The New Slashdot Setup (includes MySql server)) |
| Date: | 2000-05-19 16:54:11 |
| Message-ID: | 200005191656.JAA19183@triplerock.olsons.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general pgsql-hackers |
At 12:39 PM 5/19/00 -0400, Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>
> > We have indexes on all system tables that need it.
>
> There isn't any fundamental reason why the planner can't be using an
> index to scan pg_index; we just need to code it that way. Right now
> it's coded as a sequential scan.
Eliminating the hard-coded seqscans of catalogs in the bowels of the
system was the hardest part of the project. As I said, it was good
to do. It made parsing and planning queries much, much faster.
mike
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Kaare Rasmussen | 2000-05-19 16:55:54 | Re: The New Slashdot Setup (includes MySql server) |
| Previous Message | Bruce Momjian | 2000-05-19 16:54:10 | Re: Performance (was: The New Slashdot Setup (includes MySql server)) |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2000-05-19 16:55:01 | CVS commit broken |
| Previous Message | Bruce Momjian | 2000-05-19 16:54:10 | Re: Performance (was: The New Slashdot Setup (includes MySql server)) |