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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi List,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Where can be found some information about
Nagios threads and process model:<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>How
     many threads are running?  </span></font> <font size=2 face=Arial><span
     style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>What
     are their main tasks? <o:p></o:p></span></font></li>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>Are
     there some threads that are starting doing some work then terminating?</span></font>
     <font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>What
     about the process model (parent/child – fork) – When fork is
     done? How it relates to the threads model?</span></font> <font size=2
     face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Is there any documentation about those
issues?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Can someone give here some light?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>This information can help understanding
what is reasonable to do and what is not.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>For example<span dir=RTL></span><span
dir=RTL><span dir=RTL></span> </span></span></font><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy'>assuming that </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>process_performance_data
is enabled then service_perfdata_command is called periodically,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Nagios uses perfdata_timeout which is by
default 5 seconds to wait for the command and if hasn’t finished it will
be terminated.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=HE dir=RTL
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If there is some work that might take in
the command much more time e.g. 1 minute, is it reasonable to it in this
command and let’s Nagios to wait for it 1 minute?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Which other Nagios’s tasks will be
delayed? <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks in advance,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Yishai.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

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