Re: db restore takes to long

You could try removing/disabling your constraints until after the
import/index building.

SET CONSTRAINTS ALL DEFERRED

On Mon, May 9, 2011 at 7:44 AM, Viktor Bojović <viktor(dot)bojovic(at)gmail(dot)com>wrote:

> Thanx Adrien,
> i have tried to skip indexes but constraints rely on them
> "there is no unique constraint matching given keys for referenced table"
> , so i will try to use pg_restore as you have mentioned below.
>
> On Mon, May 9, 2011 at 12:19 PM, adrien ducos <aducos(at)hbs-research(dot)com>wrote:
>
>> It seams there is no option like that in pg_dump or pg_restore. But You
>> can manualy do it in the dump or with a sed command finding the lines
>> begining by CREATE INDEX and removing them.
>>
>> We also have a big database and since postgres 8.4 pg_restore is much
>> faster with the option --jobs=x
>>
>> where x is the number of cores you have in your microprocessor. It then
>> divides the restore script into different jobs and goes faster using
>> multithreading.
>> example:
>> pg_restore --username postgres --jobs=4 --dbname=your_db_name
>> your_dump_file
>>
>> Here is if you have a quad core.
>>
>> Adrien
>>
>>
>> Viktor Bojović a écrit :
>>
>> Hi,
>>>
>>> im trying to restore 250GB database, but indexing takes too long, so
>>> restore takes more then 12h.
>>> Is it possible to disable indexing while restoring database?
>>>
>>> Thanx in advance
>>>
>>>
>>> --
>>> ---------------------------------------
>>> Viktor Bojović
>>> ---------------------------------------
>>> Wherever I go, Murphy goes with me
>>>
>>
>>
>> --
>>
>> Logo_HBS_mail.jpg
>> Adrien DUCOS
>> Analyste développeur
>> aducos(at)hbs-research(dot)com <mailto:aducos(at)hbs-research(dot)com>
>> www.hbs-research.com <http://www.hbs-research.com/>
>> +33 (0)9 70 44 64 10
>> 24 rue de l'Est
>> 75020 Paris
>>
>>
>>
>>
>
>
> --
> ---------------------------------------
> Viktor Bojović
> ---------------------------------------
> Wherever I go, Murphy goes with me
>

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