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I already saw "ulimit not reflected for jenkins slave" and the steps did not work for me. Please, help. I am using Jenkins on Red Hat and I have the same problem.

I set ulimit to 99999 and when I check the limit with command ulimit -n I get 99999 but from Jenkins job I get 1024.

I have /lib64/security/pam_limits.so and /lib/security/pam_limits.so. I can't restart Jenkins. I already added 

root             soft    nofile          99999
root             hard    nofile          99999

to the file /etc/security/limits.config.

Please, help.

U880D
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user2056600
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  • You forgot to tell us what version of "redhat", what version of jenkins, how you installed it, and how you are starting it. And possibly other relevant things. – Michael Hampton Jan 05 '17 at 22:02
  • You're probably not running Jenkins as `root`; check the ulimits for user as whom jenkins runs. – erik258 Jan 05 '17 at 22:37
  • @Michael Hampton RedHat version is (Red Hat Enterprise Linux Server release 5.8 (Tikanga)).I donot know how it was installed but I have this information. Jenkins.war location: /usr/lib/jenkins Jenkins home: /opt/jenkins-home/ Jenkins log: /var/log/jenkins/jenkins.log Start Jenkins: sudo /sbin/service jenkins start Stopt Jenkins: sudo /sbin/service jenkins stop – user2056600 Jan 06 '17 at 02:34
  • @Dan Farrell I am running jenkins as root – user2056600 Jan 06 '17 at 02:35
  • According [Red Hat Solution 61334](https://access.redhat.com/solutions/61334) to take effect for the change, you have to exit and re-login, which indicates that you need to restart the Jenkins service (JVM). – U880D Jul 12 '18 at 14:09
  • Run `id -a` from a jenkins job, the way you check `ulimit` and I bet it'll turn out you are not running it as root after all. – kubanczyk Jul 12 '18 at 15:31

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