Public bug reported:
Doing some load testing on LXC, I noticed that I'm unable to start more
than 35 containers on my machine.
The limitation is apparently inotify and the utmp inotify watch:
lxc-start 1331084250.970 NOTICE lxc_conf - 'test40' is setup.
lxc-start 1331084250.970 NOTICE lxc_start - exec'ing '/sbin/init'
lxc-start 1331084250.970 NOTICE lxc_start - '/sbin/init' started with
pid '20939'
lxc-start 1331084251.275 ERROR lxc_utmp - Too many open files - failed
to inotify_init
lxc-start 1331084251.275 ERROR lxc_start - failed to add utmp handler
to mainloop
lxc-start 1331084251.275 ERROR lxc_start - mainloop exited with an
error
lxc-start 1331084251.276 DEBUG lxc_cgroup - get_init_cgroup: found
init cgroup for subsys (null) at /
lxc-start 1331084251.276 DEBUG lxc_cgroup - destroying
/sys/fs/cgroup/cpuset//lxc/test40
lxc-start 1331084251.276 ERROR lxc_cgroup - Device or resource
busy - failed to remove cgroup '/sys/fs/cgroup/cpuset//lxc/test40'
Which seems odd as we're not supposed to use that in 12.04 now that we have the
kernel patch right?
** Affects: lxc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/948623
Title:
Can't start more than 35 containers on my machine
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