Re: [PERFORM] Why do my hash joins turn to nested loops?

2008-08-22 Thread pgsql-performance
timing. Thanks! -- Ian Smith www.ian.org -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance

[PERFORM] Why do my hash joins turn to nested loops?

2008-08-21 Thread pgsql-performance
company_pkey on company (cost=0.00..0.27 rows=1 width=4) (actual time=0.006..0.007 rows=1 loops=3555) Index Cond: (model.company_uid = company.uid) Total runtime: 41773.972 ms (33 rows) -- Ian Smith www.ian.org -- Sent via pgsql-performance mailing list (pgsql-performance

Re: [PERFORM] tsearch2 headline and postgresql.conf

2006-01-22 Thread pgsql-performance
Oleg Bartunov wrote: You didn't provides us any query with explain analyze. Just to make sure you're fine. Oleg On Sun, 22 Jan 2006, [EMAIL PROTECTED] wrote: Hi folks, I'm not sure if this is the right place for this but thought I'd ask. I'm relateively new to postgres having only

[PERFORM] tsearch2 headline and postgresql.conf

2006-01-21 Thread pgsql-performance
Hi folks, I'm not sure if this is the right place for this but thought I'd ask. I'm relateively new to postgres having only used it on 3 projects and am just delving into the setup and admin for the second time. I decided to try tsearch2 for this project's search requirements but am having

Re: [PERFORM] [HACKERS] fsync vs open_sync

2004-08-13 Thread pgsql
Guys, just so you know: OSDL did some testing and found Ext3 to be perhaps the worst FS for PostgreSQL -- although this testing was with the default options. Ext3 involved an almost 40% write performance penalty compared with Ext2, whereas the penalty for ReiserFS and JFS was less than

Re: [PERFORM] fsync vs open_sync

2004-08-13 Thread pgsql
OSDL did some testing and found Ext3 to be perhaps the worst FS for PostgreSQL -- although this testing was with the default options. Ext3 involved an almost 40% write performance penalty compared with Ext2, whereas the penalty for ReiserFS and JFS was less than 10%. This concurs with

Re: [PERFORM] [HACKERS] fsync vs open_sync

2004-08-10 Thread pgsql
Anyway, with fsync enabled using standard fsync(), I get roughly 300-400 inserts per second. With fsync disabled, I get about 7000 inserts per second. When I re-enable fsync but use the open_sync option, I can get about 2500 inserts per second. You are getting 300-400 inserts/sec with fsync