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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Vlad Arkhipov <arhipov@dc.baikal.ru>
Cc: pgsql-performance@postgresql.org
Subject: Re: Slow BLOBs restoring
Date: Wed, 08 Dec 2010 09:46:21 -0500
Message-ID: <14439.1291819581@sss.pgh.pa.us> (raw)
In-Reply-To: <4CFF46BD.8070004@dc.baikal.ru>
References: <4CFDF22B.7060209@dc.baikal.ru>
	<4CFF46BD.8070004@dc.baikal.ru>

Vlad Arkhipov <arhipov@dc.baikal.ru> writes:
> I discovered this issue a bit more. -j option is slowing down BLOBs 
> restoring. It's about 1000x times slower if you specify this option. 

Are you by any chance restoring from an 8.3 or older pg_dump file made
on Windows?  If so, it's a known issue.

> Does anybody plan to fix it?

Not without a complete reproducible example ... and not at all if it's
the known problem.  The fix for that is to update pg_dump to 8.4 or
later.

			regards, tom lane



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