Re: Why shared_buffers max is 8GB?

> max is 1024mb.
> you have to test your workload if it's too low you will get too much
> i/o ( the filesystem cache could help.. not always /*nfs*/), if too
> high your cpu will be eated by lru/ latch/ and so on.
> Mat Dba

The max is most certainly NOT 1024MB.

http://www.postgresql.org/docs/9.3/static/runtime-config-resource.html

Shared buffers is dependant on a number of other settings as well as
workload and database size.

Have a look at pgtune for help with configuration.
=============================================

Romax Technology Limited
A limited company registered in England and Wales.
Registered office:
Rutherford House
Nottingham Science and Technology Park
Nottingham
NG7 2PZ
England
Registration Number: 2345696
VAT Number: 526 246 746

Telephone numbers:
+44 (0)115 951 88 00 (main)

For other office locations see:
http://www.romaxtech.com/Contact
=================================
===============
E-mail: info(at)romaxtech(dot)com
Website: www.romaxtech.com
=================================

================
Confidentiality Statement
This transmission is for the addressee only and contains information that
is confidential and privileged.
Unless you are the named addressee, or authorised to receive it on behalf
of the addressee
you may not copy or use it, or disclose it to anyone else.
If you have received this transmission in error please delete from your
system and contact the sender. Thank you for your cooperation.
=================================================