[mrtg] Zombie Issues
Nic le Roux
nicl at rohlig.co.za
Thu Sep 11 10:43:51 MEST 2003
Hi Guys,
I was hoping you guys might have some thoughtful inputs regarding the
Zombies that are attacking my memory.
I'm running MRTG on a Pentium MMX cpu MHz : 200.454,
I'm running 6 config files with 8 - 10 targets each forks set to 3,
running one minute apart. except two which are started together.
I'm also using ping probe in two separate config's to check packet loss
and RTT averages.
Problem is there are literally hundreds of MRTG process running as set out
below with the defunct. In top it says there are 210 Zombie processes, and
my RAM is being eaten alive. Actually I would like to know what these
zombie processes are, why I have so many MRTG processes running that are
defunct and still appear to be using RAM, also where the pot of gold at
the end of rainbow is would be nice.
I'm still rather new to the world of Linux,
Please excuse any ignorance on my behalf.
Thanks
Nic
result of free command
Every 5s: free -m Thu Sep 11 10:30:14 2003
total used free shared buffers
cached
Mem: 123 111 11 0 7 29
-/+ buffers/cache: 74 48
Swap: 316 216 100
example ps -aux
<snip>
root 12286 0.0 0.0 0 0 ? Z Sep10 0:00 [mrtg
<defunct>]
root 12287 0.0 0.0 0 0 ? Z Sep10 0:00 [mrtg
<defunct>]
root 12291 0.0 0.0 0 0 ? Z Sep10 0:00 [mrtg
<defunct>]
root 12292 0.0 0.0 0 0 ? Z Sep10 0:00 [mrtg
<defunct>]
<snip>
In Top
I get the following
<snip>
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
1087 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
1570 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
3024 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
5419 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
6419 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
7275 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
7582 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
8038 root 25 0 7308 1528 1524 S 0.0 1.2 0:04 mrtg
8494 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
10795 root 25 0 7308 1528 1524 S 0.0 1.2 0:05 mrtg
910 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
1413 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
1718 root 25 0 7304 1524 1520 S 0.0 1.2 0:04 mrtg
2035 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
2370 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
2698 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
3333 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
4682 root 25 0 7304 1524 1520 S 0.0 1.2 0:05 mrtg
<snip>
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