| From: | Andrea Suisani <sickpig(at)opinioni(dot)net> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: [OT] linux 3.10 kernel will improve ipc,sysv semaphore scalability |
| Date: | 2013-03-29 14:52:55 |
| Message-ID: | 5155AAC7.50407@opinioni.net |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-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
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