From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | tv(at)fuzzy(dot)cz |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: memory leak in xml2 contrib module |
Date: | 2010-12-14 20:50:36 |
Message-ID: | AANLkTi=1sG8=UuAUyD-8LoyDNZYXOdcNfn2NMsmGV7G_@mail.gmail.com |
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Lists: | pgsql-bugs |
On Fri, Nov 26, 2010 at 7:54 AM, <tv(at)fuzzy(dot)cz> wrote:
> one of my colleagues found ugly memory leak in the xml2 contrib module.
> Try this:
>
> select xpath_number('<data>' || generate_series || '</data>','/data') from
> generate_series(1,500000);
>
> This will allocate arbitrary amount of memory, and it won't release it
> until the backend exits (user disconnects). We've found this in 8.4 and
> I've verified it's still present in 9.0.1.
>
> I know the xml2 module is deprecated and most of the functions was moved
> into core (and behave correctly) but xslt_process function was not and
> that's why xml2 module is used.
>
> Pavel Stehule already prepared a fix (see the attachment).
I don't see a response to this email, but it looks like Tom did apply a fix.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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