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<DIV><SPAN class=441310818-22102002><FONT face=Arial color=#0000ff
size=2>I believe most of them are plugin checks, not the main daemon. Have
you got a lot of plugin time out , how many service check you are having on that
box and what's the frequency?</FONT></SPAN></DIV>
<P><FONT face=Arial size=2>Richard Wu</FONT> <BR><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Mike Culbertson
[mailto:mike@omnipod.com]<BR><B>Sent:</B> Monday, October 21, 2002 8:20
PM<BR><B>To:</B> Richard Wu<BR><B>Cc:</B>
nagios-users@lists.sourceforge.net<BR><B>Subject:</B> RE: [Nagios-users] Fw:
fork() problem?<BR><BR></FONT></P>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">That was my
assumption to begin with.<SPAN style="mso-spacerun: yes"> </SPAN>At the
time when I left <SPAN class=SpellE>nagios</SPAN> unattended and returned to
find 1900+ <SPAN class=SpellE>nagios</SPAN> processes, <SPAN
class=SpellE>max_concurrent_checks</SPAN> was and had been set to 0.<SPAN
style="mso-spacerun: yes"> </SPAN>The other box I run exhibits none of
this behavior though it is configured differently.<SPAN
style="mso-spacerun: yes"> </SPAN>I have a hunch that this may have
something to do with my passive service checks (performed using NSCA), as
<SPAN class=SpellE>nscd</SPAN> forks somewhat congruently (although in far
smaller quantity) with <SPAN class=SpellE>nagios</SPAN>.<SPAN
style="mso-spacerun: yes"> </SPAN>I’m thinking maybe something is wrong
with the build running on <SPAN class=SpellE>linux</SPAN>…or maybe this is
something specific to 1.0b6?<SPAN style="mso-spacerun: yes"> </SPAN>I
haven’t been able to roll back to 1.0b5 yet to see if it acts differently (nor
do I really want to).<SPAN style="mso-spacerun: yes"> </SPAN>I suppose
the question is what would cause a child process to not complete its task and
just sit there?<SPAN style="mso-spacerun: yes"> </SPAN>I should also
point out that despite the huge number of forked <SPAN
class=SpellE>procs</SPAN>, <SPAN class=SpellE>nagios</SPAN> did not cease to
function, and there were no zombie <SPAN class=SpellE>procs</SPAN>.<SPAN
style="mso-spacerun: yes"> </SPAN>Thanks for the
input.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Mike
C<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Tahoma size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Richard Wu
[mailto:Richard.Wu@fusepoint.com] <BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Monday, October 21, 2002 6:17
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Mike
Culbertson<BR><B><SPAN style="FONT-WEIGHT: bold">Cc:</SPAN></B>
nagios-users@lists.sourceforge.net<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [Nagios-users] Fw: fork()
problem?</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Hi,
mike:</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=blue
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">If you
want the nagios to be run in parallel, set the value to 0, look at the
nagios.cfg comments on the </SPAN></FONT><FONT face=Arial color=black
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">max_concurrent_checks.
Here is the contnet:</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black
size=2><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">#
MAXIMUM CONCURRENT SERVICE CHECKS<BR># This option allows you to specify the
maximum number of<BR># service checks that can be run in parallel at any given
time.<BR># Specifying a value of 1 for this variable essentially prevents<BR>#
any service checks from being parallelized. A value of 0<BR># will not
restrict the number of concurrent checks that are<BR># being
executed.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">max_concurrent_checks=0</SPAN></FONT><o:p></o:p></P></DIV>
<P style="MARGIN-BOTTOM: 12pt"><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Richard Wu <BR
style="mso-special-character: line-break"><![if !supportLineBreakNewLine]><BR
style="mso-special-character: line-break"><![endif]><o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>