From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | mgittens(at)gits(dot)nl (Maurice Gittens) |
Cc: | pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] How To free resources used by large object Relations? |
Date: | 1998-02-20 16:04:16 |
Message-ID: | 199802201604.LAA04883@candle.pha.pa.us |
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Lists: | pgsql-hackers |
>
> Hi,
>
> I've changed the large object memory managment strategy to ensure that
> each large object has it's own memory context.
> This way I can free all memory for a large object when I lo_close
> is called for it's oid. This seems to work.
This is a good idea.
>
> I've noticed that the heap_close function used to close the heap used
> by a large object doesn't really do any thing. (It calls RelationClose
> which decrements some reference count).
>
> Somehow I have to free the relation from the cache in the following
> situations:
> 1. In a transaction I must free the stuff when the transaction is
> commited/aborted.
> 2. Otherwise it must happen when lo_close is called.
>
> Is this right?
>
Beats me.
--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us
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