pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: yoav x <yoav112003@yahoo.com>
To: pgsql-performance@postgresql.org
Subject: Re: sql-bench
Date: Wed, 13 Sep 2006 05:50:13 -0700 (PDT)
Message-ID: <20060913125013.3321.qmail@web35806.mail.mud.yahoo.com> (raw)
In-Reply-To: <DDA8F692-4E66-4602-898F-6A3B36AD2FD8@fastcrypt.com>

So why are these queries so slow in PG?


--- Dave Cramer <pg@fastcrypt.com> wrote:

> All of the tuning parameters would affect all queries
> 
> shared buffers, wal buffers, effective cache, to name a few
> 
> --dc--
> On 13-Sep-06, at 8:24 AM, yoav x wrote:
> 
> > Hi
> >
> > I am trying to run sql-bench against PostgreSQL 8.1.4 on Linux.
> > Some of the insert tests seems to be ver slow
> >
> > For example: select_join_in
> >
> > Are there any tuning parameters that can be changed to speed these  
> > queries? Or are these queries
> > especially tuned to show MySQL's stgrenths?
> >
> >
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam?  Yahoo! Mail has the best spam protection around
> > http://mail.yahoo.com
> >
> > ---------------------------(end of  
> > broadcast)---------------------------
> > TIP 9: In versions below 8.0, the planner will ignore your desire to
> >        choose an index scan if your joining column's datatypes do not
> >        match
> >
> 
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 1: if posting/reading through Usenet, please send an appropriate
>        subscribe-nomail command to majordomo@postgresql.org so that your
>        message can get through to the mailing list cleanly
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 



view thread (16+ messages)  latest in thread

Message-ID: <20060913125013.3321.qmail@web35806.mail.mud.yahoo.com>
Permalink:  ../20060913125013.3321.qmail@web35806.mail.mud.yahoo.com/
Also on:    postgresql.org/message-id/20060913125013.3321.qmail@web35806.mail.mud.yahoo.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: yoav112003@yahoo.com
  Subject: Re: sql-bench
  In-Reply-To: <20060913125013.3321.qmail@web35806.mail.mud.yahoo.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox