Zombie Processes in hosted01

[Rafael Gomes]

Kevin,

I found this ticket[1], but that fix is based on 0.11 version, and we
are using package based on 0.10.

According to this link[2], we are using source of nanosleep.org[3].

This ticket[1] may show some tip about our problem.

I don't have more idea about this now.

[1] - http://trac-hacks.org/ticket/3675
[2] - http://pkgs.org/centos-5-rhel-5/epel-i386/trac-git-plugin-0.0.1-5.20090628svn3369.el5.noarch.rpm.html
[3] - http://nanosleep.org/proj/trac-git-plugin

Rafael Gomes
Consultor em TI
LPIC-1 MCSO
(71) 8318-0284

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On Sun, Apr 24, 2011 at 8:49 PM, Kevin Fenzi <kevin at scrye.com> wrote:
> On Sun, 24 Apr 2011 18:54:03 -0300
> Rafael Gomes <rafaelgomes at techfree.com.br> wrote:
>
>> Guys,
>>
>> I am taking a look in noc01 Nagios Web interface and I am seeing a
>> alert with 6 hours without any comments, just a "no notification" tag.
>>
>> Should we remove that check or make some change in server (hosted01)?
>
> This would be a great one for someone to investigate more. ;)
>
> The problem I think is that gitweb-caching or gitweb (it's unclear
> which one hosted01 is using, possibly both), is generating Zombie
> processes when it finishes:
>
> apache   10034  0.0  0.0      0     0 ?        Z    23:10   0:00 [git-cat-file] <defunct>
> apache   18628  0.0  0.0      0     0 ?        Z    23:28   0:00 [git-rev-parse] <defunct>
> apache   18638  0.0  0.0      0     0 ?        Z    23:28   0:00 [git-rev-parse] <defunct>
> apache   20580  0.0  0.0      0     0 ?        Z    23:30   0:00 [git-ls-tree] <defunct>
>
> So, what needs to happen here is someone needs to look and determine:
>
> - Are we using gitweb-caching or gitweb ?
>
> - Which one is causing these Z processes?
>
> - Can we switch to the other one or fix things so there are no more
>  Zombie processes?
>
> So, I think the check is fine and valid and showing us a real problem.
> We need to investigate why it's happening and how to fix it. ;)
>
> kevin
>
>
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