From: Kevin Grittner <kgrittn@ymail.com>
To: Amit Sharma <asharma@verts.co.in>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: PostgreSQL db
Date: Wed, 11 Jun 2014 10:48:31 -0700 (PDT)
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Amit Sharma <asharma@verts.co.in> wrote:
> "Kevin Grittner" <kgrittn@ymail.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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To: pgsql-admin@postgresql.org
Cc: kgrittn@ymail.com, asharma@verts.co.in
Subject: Re: PostgreSQL db
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