Problem
You may get ERROR “OutOfMemoryError” after awhile when running CloudBees CD (CloudBees Flow) server in CentOS.
NOTE - the CentOS operating system is not officially supported, but being based on the RHEL system, has been seen to function safely in a number of customer locations.
Solution
The cause of this may vary. However in CentOS, it is recommended to modify the settings inside file: “/etc/security/limits.d/90-nproc.conf”. The default file appears as follows:
# Default limit for number of user's processes to prevent
# accidental fork bombs.
# See rhbz #432903 for reasoning.
* soft nproc 1024
root soft nproc unlimited
It is recommended to modify this section to the following:
# Default limit for number of user's processes to prevent
# accidental fork bombs.
# See rhbz #432903 for reasoning.
* soft nproc 8192
root soft nproc unlimited
* soft nofile 16384
* hard nofile 16384
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