Raintung Li created DAEMON-270:
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Summary: JSVC process capability issue
Key: DAEMON-270
URL: https://issues.apache.org/jira/browse/DAEMON-270
Project: Commons Daemon
Issue Type: Bug
Components: Jsvc
Affects Versions: 1.0.11
Environment: Linux centos 6.3, jdk1.7, tomcat
Reporter: Raintung Li
For jsvc, start fork process to start JVM, then downgrade the process
capability to 0.
Is it really requirement? or any concern?
For my test env, it happen can't start more threads in the java.
After the check, it is limited by "ulimit -u" max process for user. It is very
interesting things, actually it doesn't control threads by this attribute in
the normal process.
Downgrade the process capability cause this issue. Max threads number should be
control by env memory, kernel max threads parameter, stack size.
For my suggestion, we can remove downgrade the process capability, only inherit
the parent's process capability and add some "read/netbind/setuid.." extra
privilege if don't have.
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