[asterisk-bugs] [Asterisk 0018515]: [patch] Asterisk produces many zombie processes while under load.

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18515 
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Reported By:                ernied
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   18515
Category:                   Core/General
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.6.2.15 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2010-12-21 20:26 CST
Last Modified:              2010-12-30 15:43 CST
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Summary:                    [patch] Asterisk produces many zombie processes
while under load.
Description: 
Once under a non-trivial load (trivial being the 6 phones in our office
that we've been testing with for the past week, non-trivial being around a
hundred sip clients and about 7 or 8 simultaneous DAHDI calls), Asterisk
starts producing a high volume of zombie processes - say a few hundred a
minute. If left alone, this crashes the operating system within a few
hours, but not before calls start getting very flaky.


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 (0130063) tilghman (manager) - 2010-12-30 15:43
 https://issues.asterisk.org/view.php?id=18515#c130063 
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Your zombie output suggests one of the following:
1) You are calling "asterisk -rx" with a command in the dialplan.  This
shouldn't be a problem, but if this is the case, you should typically be
investigating better ways to do this.
2) One of the commands that you are attempting to execute either in the
dialplan or in one of the assorted "external" locations (e.g. externnotify
in voicemail) does not actually exist, and so the attempt to execute that
command fails.

I just verified that zombie processes show the last executable, not the
name of the parent.  The existence of so many "asterisk" processes points
to another problem, of which you are seeing merely a symptom. 

Issue History 
Date Modified    Username       Field                    Change               
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2010-12-30 15:43 tilghman       Note Added: 0130063                          
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