From: Vlad Arkhipov <arhipov@dc.baikal.ru>
To: pgsql-performance@postgresql.org
Subject: Re: Slow BLOBs restoring
Date: Wed, 08 Dec 2010 16:50:05 +0800
Message-ID: <4CFF46BD.8070004@dc.baikal.ru> (raw)
In-Reply-To: <4CFDF22B.7060209@dc.baikal.ru>
References: <4CFDF22B.7060209@dc.baikal.ru>
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.
Does anybody plan to fix it?
> I have encountered a problem while restoring the database. There is a
> table that contains XML data (BLOB), ~ 3 000 000 records, ~ 5.5Gb of
> data. pg_restore has been running for a week without any considerable
> progress. There are plenty of lines like these in the log:
>
> pg_restore: processing item 3125397 BLOB 10001967
> pg_restore: executing BLOB 10001967
>
> CPU usage is 100% always. The total database size is about 100 Gb and
> it restores in an hour or so without BLOBs.
>
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To: pgsql-performance@postgresql.org
Cc: arhipov@dc.baikal.ru
Subject: Re: Slow BLOBs restoring
In-Reply-To: <4CFF46BD.8070004@dc.baikal.ru>
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