| From: | Tim Perdue <tperdue(at)valinux(dot)com> |
|---|---|
| To: | pgsql-hackers(at)hub(dot)org |
| Subject: | Serious Performance Loss in 7.0.2?? |
| Date: | 2000-07-12 00:35:52 |
| Message-ID: | 396BBD68.B508A48B@valinux.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
I know you're all sick of hearing from me, but I'm passing this along
anyway. Looks like I need to go back down to 6.5.3 for some reason.
The following query is at the very heart of the site and it takes
upwards of 15-20 seconds to run now. It used to be instantaneous.
explain SELECT mailid, mail_date, mail_is_followup, mail_from,
mail_subject
FROM mail_archive WHERE mail_list=35 AND mail_year=2000
AND mail_month=1 ORDER BY mail_date DESC LIMIT 26 OFFSET 0;
NOTICE: QUERY PLAN:
Sort (cost=138.41..138.41 rows=34 width=44)
-> Index Scan using idx_mail_archive_list_yr_mo on tbl_mail_archive
(cost=0.00..137.55 rows=34 width=44)
EXPLAIN
Tim
--
Founder - PHPBuilder.com / Geocrawler.com
Lead Developer - SourceForge
VA Linux Systems
408-542-5723
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