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Re: [bug-gawk] Memory leak


From: arnold
Subject: Re: [bug-gawk] Memory leak
Date: Mon, 27 Mar 2017 09:03:26 -0600
User-agent: Heirloom mailx 12.4 7/29/08

Hi. I will investigate.

Can you supply me some data as well? I can ftp it or download
via wget if you wish to give a URL off-list.

At the very least I need a few lines to understand what the
input and output are supposed to look like.

Thanks,

Arnold

Stephane Delsert <address@hidden> wrote:

> Hi,
>
> We hit a memory leak with gawk for the joined script. This script sorts
> a file already sorted on primary keys for additional keys. For achieve
> this I used a user defined function and set this function as follow
> :the  PROCINFO["sorted_in"]="__sort_subsort"
>
> We noticed a growth of memory required by gawk with the increase of the
> processed records. Gawk  ended after over 320 MM of records. The memory
> size was over 20Gb. A post analysis shown that the maximum size of the
> tables of the script was 121 elements.
>
> I made different tests and it appears that this issue doesn't arrive
> when I don't use PROCINFO mechanism. For little files, this script
> works correctly.
>
> I didn't see this kind of bug in the bug reports. I made tests with
> version 4.1.3 and version 4.1.4 without success.
>
> Thank you for your help.
>
> Best regards,
>
> St├ęphane Delsert.
>
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