Re: vacuumlo issue

From: Josh Kupershmidt <schmiddy(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: MUHAMMAD ASIF <anaeem(dot)it(at)hotmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: vacuumlo issue
Date: 2012-03-20 15:24:00
Message-ID: CAK3UJRH7Z+WV64RAuKxqP3iqusQ7W=41nLmF_fz-V1T=7jBvLw@mail.gmail.com
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On Tue, Mar 20, 2012 at 7:53 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> I'm not entirely convinced that that was a good idea.  However, so far
> as vacuumlo is concerned, the only reason this is a problem is that
> vacuumlo goes out of its way to do all the large-object deletions in a
> single transaction.  What's the point of that?  It'd be useful to batch
> them, probably, rather than commit each deletion individually.  But the
> objects being deleted are by assumption unreferenced, so I see no
> correctness argument why they should need to go away all at once.

I think you are asking for this option:

-l LIMIT stop after removing LIMIT large objects

which was added in b69f2e36402aaa.

Josh

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