Skip site navigation (1) Skip section navigation (2)

Re: Suggestions needed about how to dump/restore a database

From: Arnau <arnaulist(at)andromeiberica(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: Suggestions needed about how to dump/restore a database
Date: 2006-12-19 17:30:33
Message-ID: 458821B9.80303@andromeiberica.com (view raw or flat)
Thread:
Lists: pgsql-admin
Hi Jeff,

> On Tue, 19 Dec 2006, Arnau wrote:
> 
>>  I've got a DB in production that is bigger than 2GB that dumping it
>> takes more than 12 hours. I have a new server to replace this old one
>> where I have restore the DB's dump. The problem is I can't afford to
>> have the server out of business for so long, so I need your advice about
>> how you'd do this dump/restore. The big amount of data is placed in two
>> tables (statistics data), so I was thinking in dump/restore all except
>> this two tables and once the server is running again I'd dump/restore
>> this data. The problem is I don't know how exactly do this.
> 
> Arnau,
> 
> 2GB and it takes 12 hours?  What sort of server is this running on?  
> Does your postgresql.conf have all default values perhaps? I routinely 
> dump DBs that are 4-8GB in size and it takes about 10-15 minutes.
> 


It's a dual Xeon with 4 GB of ram and with a RAID 5. Probably it has the 
default values. Any suggestion about what parameters I should change to 
speed it up?


-- 
Arnau

In response to

Responses

pgsql-admin by date

Next:From: Rajesh Kumar MallahDate: 2006-12-19 17:32:11
Subject: Re: Upgrading from 7.4 to 8.2
Previous:From: Jeff FrostDate: 2006-12-19 17:18:33
Subject: Re: Suggestions needed about how to dump/restore a database

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group