Re: synchronous commit in dump

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От Robert Haas
Тема Re: synchronous commit in dump
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Msg-id [email protected]
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Ответ на Re: synchronous commit in dump  (Jaime Casanova <[email protected]>)
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On Tue, Feb 23, 2010 at 6:54 PM, Jaime Casanova
<[email protected]> wrote:
> On Tue, Feb 23, 2010 at 4:40 AM, Magnus Hagander <[email protected]> wrote:
>> 2010/2/23 Jaime Casanova <[email protected]>:
>>> Hi,
>>>
>>> it's safe to set synchrounous_commit to off in a pg_dump generated
>>> script? if yes, would this help to the performance of restore a
>>> database?
>>
>> It might help if you're dumping as individual inserts and not COPY,
>> but if you're doing that you're not asking for performance in the
>> first place.
>
> That isn't necesarily true. Maybe you don't have shell access to the
> database server
> but just trough pgadmin or something like that...
>
> in that env the copy of the dumps won't work so you need to make the backup with
> inserts (by need) and still want some performance

I don't see why that would preclude using COPY.  But anyway in that
case you could still run the restore with -1.

...Robert


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