[approved] [sr #105905] Occasionally, produces a huge xml output with contents: a rel="><

[Marc Girod]

URL:
  <http://savannah.nongnu.org/support/?105905>

                 Summary: Occasionally, produces a huge xml output with
contents: a rel="&gt;&lt;
                 Project: MHonArc
            Submitted by: mgirod
            Submitted on: Tuesday 06/19/2007 at 16:01
                Category: None
                Priority: 5 - Normal
                Severity: 3 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

Hello,

I took over the maintenance of our internal web site.
There we use mhonarc to archive mailing lists, and generate rss feeds.
We use it from a python wrapper, named mailapp, which I believe was written
in-house.

Occasionally (Feb 21, June 18), one process starts taking up all the host
resources (80% of the memory, significant CPU share).
The number of mailapp processes raises--my understanding is that the topmost
is not releasing a lock, and new ones are just cropping.

I can then find two files of huge sizes (20M):
- rawmsgs.txt
- rss20.xml

Renaming them away, and killing the processes solves the problem
temporarily.

Looking at the contents of the xml file, I found beyond the first  100k a
repeated pattern of:

  a rel="&gt;&lt;

eng-artix-merge> head -c 101100 rss20.xml.away | tail -c 100; echo
 -0,0 +1,99 @@&lt;br /&gt;+&lt;a rel="&gt;&lt;a rel="&gt;&lt;a rel="&gt;&lt;a
rel="&gt;&lt;a rel="&g

I am not sure what is the cause and what the effects.
I couldn't find an existing report which would clearly describe the same
problem.
Any insights are welcome.

Marc




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