Re: out of memory error

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Vincent Dautremont <vincent@xxxxxxxxxxxxxxxx> writes:
> I think that i'm using the database for pretty basic stuffs.
> It's mostly used with stored procedures to update/ insert / select a row of
> each table.
> On 3 tables (less than 10 rows each), clients does updates/select at 2Hz to
> have pseudo real-time data up to date.
> I've got a total of 6 clients to the DB, they all access DB using stored
> procedures
> I would say that this is a light usage of the DB.

> Then I have rubyrep 1.2.0 running to sync a backup of the DB.
> it syncs 8 tables : 7 of them doesn't really change often and 1 is one of
> the pseudo real-time data one.

This is not much information.  What I suspect is happening is that
you're using plpgsql functions (or some other PL) in such a way that the
system is leaking cached plans for the functions' queries; but there is
far from enough evidence here to prove or disprove that, let alone debug
the problem if that is a correct guess.  An entirely blue-sky guess as
to what your code might be doing to trigger such a problem is if you
were constantly replacing the same function's definition via CREATE OR
REPLACE FUNCTION.  But that could be totally wrong, too.

Can you put together a self-contained test case that triggers similar
growth in the server process size?

			regards, tom lane

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