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Re: Re: [COMMITTERS] pgsql: Get rid of the need for manual maintenance of the initial

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: [COMMITTERS] pgsql: Get rid of the need for manual maintenance of the initial
Date: 2010-01-05 19:04:05
Message-ID: 20100105190404.GH3660@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgsql-committerspgsql-hackers
Stefan Kaltenbrunner escribió:

> foreach my $row (@$data)
> {
> 
>     # To construct fmgroids.h and fmgrtab.c, we need to inspect some
>     # of the individual data fields.  Just splitting on whitespace
>     # won't work, because some quoted fields might contain internal
>     # whitespace.  We handle this by folding them all to a simple
>     # "xxx". Fortunately, this script doesn't need to look at any
>     # fields that might need quoting, so this simple hack is
>     # sufficient.
> 
> ...
> }
> 
> it does after around 1050 iterations of that loop at it seems to
> leak exactly 240kbyte per iteration which sums up to around 250MB in
> total for the process...

Hmm, is this running some old Perl version?  Perhaps it's not freeing
memory timely ... maybe unsetting/deleting $row after each iteration?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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