Re: [HACKERS] Memory leaks for large objects

Peter T Mount <psqlhack@maidast.demon.co.uk>

From: Peter T Mount <psqlhack@maidast.demon.co.uk>
To: Maurice Gittens <mgittens@gits.nl>
Cc: PostgreSQL-development <hackers@postgresql.org>
Date: 1998-02-17T21:10:17Z
Lists: pgsql-hackers
On Mon, 16 Feb 1998, Maurice Gittens wrote:

> Ok, 
> 
> I think large objects are leaking memory because the large object functions
> in the backend use their own GlobalMemoryContext (called Filesystem), which
> (according to a quick grep) is never freed.
> 
> Supposing this is true and I ensure that the large object subsystem always
> uses the current memory context for it's memory allocations.
> 
> What might go wrong? (Or why did the designers decide to use a
> GlobalMemoryContext for large objects?).
> 
> I simple don't understand why one would create a special memory context
> for large objects without some special reason. 
> Or should I just try it and see is anything breaks?

I was wondering the same thing when I was looking at that part of the code
a couple of months back. It would be interesting to see if anything did
break.

-- 
Peter T Mount  petermount@earthling.net or pmount@maidast.demon.co.uk
Main Homepage: http://www.demon.co.uk/finder
Work Homepage: http://www.maidstone.gov.uk Work EMail: peter@maidstone.gov.uk