Re: Deteriorating performance when loading large objects

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"=?iso-8859-1?Q?Vegard_B=F8nes?=" <vegard.bones@xxxxxx> writes:
> I have a problem with large objects in postgresql 8.1: The performance of
> loading large objects into a database goes way down after a few days of
> operation.

> I have a cron job kicking in twice a day, which generates and loads around
> 6000 large objects of 3.7MB each. Each night, old data is deleted, so
> there is never more than 24000 large object in the database.

Are you sure you're deleting the large objects themselves (ie,
lo_unlink), and not just deleting some references to them?

A manual "vacuum verbose" on pg_largeobject might be informative.

			regards, tom lane

-- 
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux