Re: speed up restore from dump - Mailing list pgsql-general

From Joao Ferreira gmail
Subject Re: speed up restore from dump
Date
Msg-id 1225394937.4340.47.camel@debj4n.critical.pt
Whole thread Raw
In response to speed up restore from dump  (Joao Ferreira gmail <joao.miguel.c.ferreira@gmail.com>)
Responses Re: speed up restore from dump  (Sam Mason <sam@samason.me.uk>)
Re: speed up restore from dump  (Alan Hodgson <ahodgson@simkin.ca>)
List pgsql-general
On Thu, 2008-10-30 at 11:39 -0700, Alan Hodgson wrote:
> On Thursday 30 October 2008, Joao Ferreira gmail
> <joao.miguel.c.ferreira@gmail.com> wrote:
> > What other cfg paramenters shoud I touch ?
>
> work_mem set to most of your free memory might help.

I've raised work_mem to 128MB.

still get the same 20 minutes !

> You're probably just
> disk-bound, though. What does vmstat say during the restore?

During restore:
# vmstat
procs --------memory------- ---swap-- -----io---- -system-- ----cpu----
r  b   swpd   free   buff  cache   si  so   bi   bo  in  cs us sy id wa
3  1 230204   4972   1352 110128   2    1   17   63  24  56 12  2 85  0
#


After restore has finished
# vmstat
procs --------memory-------- ---swap-- ---io---- -system-- ----cpu----
r  b   swpd   free   buff  cache   si  so   bi   bo   in   cs us sy id wa
1  0 246864  59972   2276 186420   2   1    18   63   28   56 12  2 85  0
#

joao

>
> --
> Alan
>


pgsql-general by date:

Previous
From: Glyn Astill
Date:
Subject: Re: bytea field, a c function and pgcrypto driving me mad
Next
From: Jason Long
Date:
Subject: Re: Decreasing WAL size effects