From: | Frank Zhou <zhouxuesong(at)gmail(dot)com> |
---|---|
To: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
Cc: | Amit Sharma <asharma(at)verts(dot)co(dot)in>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: PostgreSQL db |
Date: | 2014-06-12 23:34:58 |
Message-ID: | CABeXrnet8bnV=__XdpBvbD89eMRN+0EZfZaotyPOE2YaNXB4AQ@mail.gmail.com |
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Lists: | pgsql-admin |
Hi, Kevin
We are using client side pg_bouncer, do you think it is also an acceptable
option?
Thanks
Frank
On Wed, Jun 11, 2014 at 10:48 AM, Kevin Grittner <kgrittn(at)ymail(dot)com> wrote:
> Amit Sharma <asharma(at)verts(dot)co(dot)in> wrote:
> > "Kevin Grittner" <kgrittn(at)ymail(dot)com> wrote:
>
> >> Personally, I managed a machine which typically had 3000 users
> >> running queries against it while about 20 million
> >> INSERT/UPDATE/DELETE statements per day were run against it.
> >> Tuning showed best performance when we used connection pools
> >> with 35 connections for read-only queries and 6 connections for
> >> the DML.
>
> > May I know the machine configuration esp. the hardware
> > configuration that you used for this setup?
>
> It had 16 cores and 256GB RAM, a RAID controller with 256MB
> battery-backed RAM configured for write-back for a 40 drive RAID 5
> array, with a separate BBU controller for a RAID 1 pair for the OS
> and another for the WAL (pg_xlog directory).
>
> Oh, and the database was over 3TB and growing fairly quickly.
>
> --
> Kevin Grittner
> EDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
>
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