Re: Scaling shared buffer eviction

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Scaling shared buffer eviction
Date: 2014-05-17 00:59:06
Message-ID: CAM3SWZQazaoiawA_vL_UCkYzRjRVh2+hsn5XRBys7nw=Oq9Urw@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Fri, May 16, 2014 at 7:51 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>wrote:

> shared_buffers= 8GB
> scale factor = 3000
> RAM - 64GB
>
>
> Thrds (64) Thrds (128) HEAD 45562 17128 HEAD + 64 57904 32810 V1 + 64
> 105557 81011 HEAD + 128 58383 32997 V1 + 128 110705 114544
>
> shared_buffers= 8GB
> scale factor = 1000
> RAM - 64GB
>
>
> Thrds (64) Thrds (128) HEAD 92142 31050 HEAD + 64 108120 86367 V1 + 64
> 117454 123429 HEAD + 128 107762 86902 V1 + 128 123641 124822

I'm having a little trouble following this. These figure are transactions
per second for a 300 second pgbench tpc-b run? What does "Thrds" denote?

--
Peter Geoghegan

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Amit Kapila 2014-05-17 03:31:51 Re: Scaling shared buffer eviction
Previous Message Robert Haas 2014-05-17 00:32:00 Re: Scaling shared buffer eviction