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We have a total of 29 jobs. 3 are "top-level" jobs that can be manually startet. 12 are intermediate "matrix jobs" and 14 are "leaf jobs" where the real work is done.
Each of the 14 leaf job is called about 50 times when one top-level job is executed. So after a couple of days there are thousands of build artifacts.
(I have a limit of 1000 per job).
The problem occurs when jenkins must be stopped. Restarting jenkins does not work. The process takes up 100% CPU power and runs forever (I terminated it after a night.
I have already increased the memory size (according to https://wiki.jenkins-ci.org/display/JENKINS/I'm+getting+OutOfMemoryError):
java.exe -Xms512m -Xmx512m -jar jenkins.war
But this does not help.
I have to set up the server from scatch every time jenkins must be stopped.
Otherwise the server runs smoothly for a couple of months, i.e. there is no memory shortage during normal operation only during startup.
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