RE: Multiple instances of netsaint spawned by init

Hi,

There is some parameter in the netsaint.cfg file that specify the max number
of checks that can be runned concurrent.
A max of 0 will not restrict the number of checks.

example:
max_concurrent_checks=24

further check this entry ( this is the default value )
inter_check_delay_method=s

Some qwestions: 
Is it a specific service check that is respawned ?  Have you tried to run it
from the command line. 
In case there is an error with it that keep looping and the max concurrent
checks is high or unlimmited and you have a lot of 
abnormal looping services and an old box with not so many resources, you can
quick run out of memory and once swapping is started your system get
extremely slow. First rule enough memory in the system.
When a service check doesn't return output to netsaint within a configurable
time-out ( see netsaint.cfg ) the check is shoot off by netsaint. Default
this time is set to 60 seconds.
So i should limit the number of concurrent checks. See if it it the same
check ( on other hosts ). Run the check manually and see if it return
correct results.

Kind regards,

ludo 



-----Original Message-----
From: Sluzewski Jarek [mailto:[email protected]]
Sent: maandag 20 oktober 2003 20:33
To: Hector Villalobos
Cc: [email protected]
Subject: RE: [netsaint] Multiple instances of netsaint spawned by init



No, I am not sure.
But why it would cause inetd to start >100 netsaint daemon instances
....

-----Original Message-----
From: Hector Villalobos [mailto:[email protected]] 
Sent: Monday, October 20, 2003 1:02 PM
To: Sluzewski Jarek
Subject: RE: [netsaint] Multiple instances of netsaint spawned by init

you sure you odn't have some bad RAM.. looks like it might be.. .or swap
space.. 
 
i run netsaint 0.7 as well on rh7.3 and have no problems.. 
-----Original Message-----
From: Sluzewski Jarek [mailto:[email protected]]
Sent: Monday, October 20, 2003 8:42 AM
To: [email protected]
Subject: [netsaint] Multiple instances of netsaint spawned by init


I have been running netsaint 0.7 on RH 7.3 for months without any major
problem.
Since yesterday the system keeps crashing. I have noticed very high
number of netsaint processes started by init (about 200). Eventually
following messages show up in the log and system becomes totally
unresponsive:
 
Oct 20 05:34:17 control1 kernel: Out of Memory: Killed process 5441
(netsaint).
Oct 20 05:34:17 control1 kernel: Out of Memory: Killed process 5447
(netsaint).
Oct 20 05:34:17 control1 kernel: Out of Memory: Killed process 5456
(netsaint).
Oct 20 05:34:17 control1 kernel: Out of Memory: Killed process 5468
(netsaint).
Oct 20 05:34:17 control1 kernel: Out of Memory: Killed process 4764
(netsaint).
Oct 20 05:34:18 control1 kernel: Out of Memory: Killed process 3981
(netsaint).
 
At this point system has to be rebooted.
 
I will appreciate any assistance in resolving this issue
 
Jarek
 
 
 


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