Re: PG_DUMP and table locking in PG7.4

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От Christopher Kings-Lynne
Тема Re: PG_DUMP and table locking in PG7.4
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Msg-id 437ADE23.6070107@familyhealth.com.au
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Ответ на Re: PG_DUMP and table locking in PG7.4  (Yann Michel <yann-postgresql@spline.de>)
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> I'm asking, because we have a bigger datawarehouse and dump the data for
> a backup every night. Unfortunately, the backup now takes realy long.
> That means, other processes that insert data will have to wait which is
> sometime really long! I was searching for a way to avoid this. I thought
> besides the query-speedub we could also gain some benefit for the backup
> timing... but it sounds, that this will not automatically help me with
> that. :-(

No, all the tables are locked in ACCESS SHARE mode.  All that means is 
that you cannot alter the schema of the tables in any way.

Chris



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