Zombie process in Linux agent
Article ID: 84406
Updated On:
Products
CA Automic Workload Automation - Automation Engine
Issue/Introduction
Error Message :
[v12@lnx01 bin]$ ps -ef|grep $PWD
root 18723 17564 0 11:02 pts/1 00:00:00 /opt/automic/v12u/agents/linux/bin/ucxjlx6
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 19284 17564 0 11:13 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
Start two events (5 times each) --> the wrong directory name is on purpose
[v12@lnx01 bin]$ ps -ef|grep $PWD
root 18723 17564 0 11:02 pts/1 00:00:00 /opt/automic/v12u/agents/linux/bin/ucxjlx6
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18759 17564 0 11:03 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
total 5376
-rw-r--r-- 1 v12 v12 26507 Dec 8 11:04 ucxjxxx_l00.txt
-rw-r--r-- 1 v12 v12 3595963 Dec 8 11:05 ucxjxxx_t00.txt
-rw-rw-r-- 1 v12 v12 25095 Dec 8 11:05 iostrc-00018743.txt
-rw-rw-r-- 1 v12 v12 28551 Dec 8 11:05 iostrc-00018739.txt
-rw-rw-r-- 1 v12 v12 28569 Dec 8 11:05 iostrc-00018747.txt
Event
Event ID 1378559
Host LNX01_LINUX
Path /opt/opt/opt/*.*
Next check 12/8/2017 11:06:17 AM
Last check 12/8/2017 11:05:26 AM
Check count 5
Event count 0
Stopped the events at End 12/8/2017 11:07:02 AM
[v12@lnx01 bin]$ date
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18759 17564 0 11:03 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
total 5376
-rw-r--r-- 1 v12 v12 26507 Dec 8 11:04 ucxjxxx_l00.txt
-rw-r--r-- 1 v12 v12 3595963 Dec 8 11:05 ucxjxxx_t00.txt
-rw-rw-r-- 1 v12 v12 25095 Dec 8 11:05 iostrc-00018743.txt
-rw-rw-r-- 1 v12 v12 28551 Dec 8 11:05 iostrc-00018739.txt
-rw-rw-r-- 1 v12 v12 28569 Dec 8 11:05 iostrc-00018747.txt
Event
Event ID 1378559
Host LNX01_LINUX
Path /opt/opt/opt/*.*
Next check 12/8/2017 11:06:17 AM
Last check 12/8/2017 11:05:26 AM
Check count 5
Event count 0
Stopped the events at End 12/8/2017 11:07:02 AM
[v12@lnx01 bin]$ date
Fri Dec 8 11:07:18 PST 2017
[v12@lnx01 bin]$ ps -ef|grep $PWD
root 18723 17564 0 11:02 pts/1 00:00:00 /opt/automic/v12u/agents/linux/bin/ucxjlx6
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 19076 17564 0 11:07 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 19076 17564 0 11:07 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
[v12@lnx01 temp]$ ls -ltr
total 9664
-rw-r--r-- 1 v12 v12 36867 Dec 8 11:08 ucxjxxx_l00.txt
-rw-r--r-- 1 v12 v12 7979359 Dec 8 11:10 ucxjxxx_t00.txt
-rw-rw-r-- 1 v12 v12 73976 Dec 8 11:10 iostrc-00018743.txt
-rw-rw-r-- 1 v12 v12 76861 Dec 8 11:10 iostrc-00018739.txt
-rw-rw-r-- 1 v12 v12 91277 Dec 8 11:10 iostrc-00018747.txt
-rw-r--r-- 1 v12 v12 36867 Dec 8 11:08 ucxjxxx_l00.txt
-rw-r--r-- 1 v12 v12 7979359 Dec 8 11:10 ucxjxxx_t00.txt
-rw-rw-r-- 1 v12 v12 73976 Dec 8 11:10 iostrc-00018743.txt
-rw-rw-r-- 1 v12 v12 76861 Dec 8 11:10 iostrc-00018739.txt
-rw-rw-r-- 1 v12 v12 91277 Dec 8 11:10 iostrc-00018747.txt
[v12@lnx01 bin]$ ps -ef|grep $PWD
root 18723 17564 0 11:02 pts/1 00:00:00 /opt/automic/v12u/agents/linux/bin/ucxjlx6
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 19284 17564 0 11:13 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
v12 18739 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 37249 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18743 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 25567 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 18747 1 0 11:03 ? 00:00:00 /opt/automic/v12u/agents/linux/bin/./ucxjlx6s -s 55608 -u v12 -trc 9 -trcpath /opt/automic/v12u/agents/linux/temp -maxidle 600
v12 19284 17564 0 11:13 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
Stop the agent --> the file events are closed
[v12@lnx01 bin]$ sudo kill -9 18723
[1]+ Killed nohup $PWD/ucxjlx6
[v12@lnx01 bin]$ ps -ef|grep $PWD
v12 19297 17564 0 11:14 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
[v12@lnx01 bin]$ ps -ef|grep $PWD
v12 19297 17564 0 11:14 pts/1 00:00:00 grep --color=auto /opt/automic/v12u/agents/linux/bin
Environment
OS Version: Any Linux OS
Cause
Cause type:
By design
Root Cause: By default the spawned IO service process will be alive for at least 10 minutes.
By design
Root Cause: By default the spawned IO service process will be alive for at least 10 minutes.
Resolution
By default the spawned IO service process will be alive at least for 10 minutes.
After launching events wait at least 10 minutes before launching any new events until the child processes disappear.
Fix Version(s):
N/A
After launching events wait at least 10 minutes before launching any new events until the child processes disappear.
Fix Version(s):
N/A
Additional Information
Workaround :
Run a Linux command Kill -9 to kill the zombie process.
Run a Linux command Kill -9 to kill the zombie process.
Feedback
Yes
No
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