Posts tagged ulimit

ubuntu 10.04 change ulimit
posted on 2016-12-27 16:31

When trying to change the ulimit setting for open files this did not work system-wide by changing the /etc/security/limits.conf:

root@server:~# grep -v ^# /etc/security/limits.conf 

* soft nofile 4096
* hard nofile 10240

The only solution was to change the init script of the service needing more open files.

In my case it was a tomcat:


case "$1" in
        ulimit -n 10240


That way both the hard and the soft limit gets set to 10240, instead of setting them separately via -Hn and -Sn.

Of course (haha) you need to have enough capability to allow that many files systemwide, either put it into /etc/sysctl.conf and do sysctl -p or just do:

sysctl -w fs.file-max=1000000

Related bug report here.

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