pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Scott Marlowe <smarlowe@g2switchworks.com>
To: Orhan Aglagul <oaglagul@cittio.com>
Cc: pgsql-performance@postgresql.org
Subject: Re:
Date: Tue, 08 May 2007 19:30:42 -0500
Message-ID: <1178670642.7497.45.camel@state.g2switchworks.com> (raw)
In-Reply-To: <868BCE5A6576F44A862F1FBBC3E14A01042559C3@ms17.mse9.exchange.ms>
References: <868BCE5A6576F44A862F1FBBC3E14A01042559C3@ms17.mse9.exchange.ms>

On Tue, 2007-05-08 at 17:59, Orhan Aglagul wrote:
> Hi Everybody,
> 
> I was trying to see how many inserts per seconds my application could
> handle on various machines.

> 
> Here is the data:
> 
>             
> 
> Time for 10000 inserts
> 
> Fsync=on
> 
> Fsync=off
> 
> Pentium M 1.7
> 
> ~17 sec
> 
> ~6 sec
> 
> Pentium 4 2.4
> 
> ~13 sec
> 
> ~11 sec
> 
> Dual Xeon
> 
> ~65 sec
> 
> ~1.9 sec
> 
> 
>  

In addition to my previous post, if you see that big a change between
fsync on and off, you likely have a drive subsystem that is actually
reporting fsync properly.

The other two machines are lying.  Or they have a battery backed caching
raid controller



view thread (9+ messages)  latest in thread

Message-ID: <1178670642.7497.45.camel@state.g2switchworks.com>
Permalink:  ../1178670642.7497.45.camel@state.g2switchworks.com/
Also on:    postgresql.org/message-id/1178670642.7497.45.camel@state.g2switchworks.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: smarlowe@g2switchworks.com, oaglagul@cittio.com
  Subject: Re:
  In-Reply-To: <1178670642.7497.45.camel@state.g2switchworks.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