From: Andrea Suisani <sickpig@opinioni.net>
To: pgsql-performance@postgresql.org
Subject: Re: [OT] linux 3.10 kernel will improve ipc,sysv semaphore scalability
Date: Fri, 29 Mar 2013 15:52:55 +0100
Message-ID: <5155AAC7.50407@opinioni.net> (raw)
In-Reply-To: <5151F026.5010409@optionshouse.com>
References: <51519CE9.1070409@opinioni.net>
<5151F026.5010409@optionshouse.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
Hi
On 03/26/2013 07:59 PM, Shaun Thomas wrote:
> On 03/26/2013 08:04 AM, Andrea Suisani wrote:
>
>> TPS:
>> 100 users: 1257.21 (vanilla) 2805.06 (v3 patchset)
>> 400 users: 1437.57 (vanilla) 2664.67 (v3 patchset)
>> 800 users: 1236.89 (vanilla) 2750.73 (v3 patchset)
>
> Wow, I like the look of that.
Me too.
> I wonder how this reacts with disabled autogrouping and increasing
> sched_migration_cost. If the completely fair scheduler has less locking
> contention with this patch-set, those tweaks may not even be necessary.
> I need to see if I can find a system to test on.
Yep, I'm eager to test it too, but unfortunately I have
no spare server to use. Probably early next I'll test it
on my workstation.
Andrea
--
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance
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: sickpig@opinioni.net
Subject: Re: [OT] linux 3.10 kernel will improve ipc,sysv semaphore scalability
In-Reply-To: <5155AAC7.50407@opinioni.net>
* 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