Hello all,
i have the same problems with another servers in LXC.
It is really problem with vsftpd running in LXC container.
Do you have somebody similar problem with vsftpd in container?
Best regards,
Miroslav.
Dne 15.11.2010 16:17, Miroslav Lednicky, AVONET, s.r.o. napsal(a):
> Dne 15.11.2010 15:56, Daniel Lezcano napsal(a):
>> On 11/15/2010 03:26 PM, Miroslav Lednicky, AVONET, s.r.o. wrote:
>>> Hello,
>>>
>>> please see:
>>>
>>> ls -l
>>> total 0
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:00 1285
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:00 1298
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:01 1322
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:01 1325
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:02 1335
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:09 1386
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:11 1401
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:12 1408
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:12 1411
>>> drwxr-xr-x 3 root root 0 2010-11-15 15:17 1459
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 cgroup.procs
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 cpuacct.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuacct.usage
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 cpuacct.usage_percpu
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpu.rt_period_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpu.rt_runtime_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.cpu_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.cpus
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.mem_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.mem_hardwall
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.memory_migrate
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 cpuset.memory_pressure
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.memory_spread_page
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.memory_spread_slab
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.mems
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.sched_load_balance
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpuset.sched_relax_domain_level
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 cpu.shares
>>> --w------- 1 root root 0 2010-11-15 15:02 devices.allow
>>> --w------- 1 root root 0 2010-11-15 15:02 devices.deny
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 devices.list
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 freezer.state
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.failcnt
>>> --w------- 1 root root 0 2010-11-15 15:02 memory.force_empty
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.max_usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.memsw.failcnt
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.memsw.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.memsw.max_usage_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 memory.memsw.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.soft_limit_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 memory.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.swappiness
>>> -r--r--r-- 1 root root 0 2010-11-15 15:02 memory.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 memory.use_hierarchy
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 net_cls.classid
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 notify_on_release
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:02 tasks
>>> r...@lnx-zl-teaspl:/cgroup/teas_www# ls -lR 1285
>>> 1285:
>>> total 0
>>> drwxr-xr-x 2 root root 0 2010-11-15 15:00 2
>>> drwxr-xr-x 2 root root 0 2010-11-15 15:00 3
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cgroup.procs
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage_percpu
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_period_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_runtime_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpu_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpus
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_hardwall
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_migrate
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_pressure
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_page
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_slab
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mems
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_load_balance
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_relax_domain_level
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.shares
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.allow
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.deny
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 devices.list
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 freezer.state
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.failcnt
>>> --w------- 1 root root 0 2010-11-15 15:00 memory.force_empty
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.max_usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.failcnt
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.max_usage_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.soft_limit_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.swappiness
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.use_hierarchy
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 net_cls.classid
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 notify_on_release
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 tasks
>>>
>>> 1285/2:
>>> total 0
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cgroup.procs
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage_percpu
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_period_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_runtime_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpu_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpus
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_hardwall
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_migrate
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_pressure
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_page
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_slab
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mems
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_load_balance
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_relax_domain_level
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.shares
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.allow
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.deny
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 devices.list
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 freezer.state
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.failcnt
>>> --w------- 1 root root 0 2010-11-15 15:00 memory.force_empty
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.max_usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.failcnt
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.max_usage_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.soft_limit_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.swappiness
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.use_hierarchy
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 net_cls.classid
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 notify_on_release
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 tasks
>>>
>>> 1285/3:
>>> total 0
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cgroup.procs
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuacct.usage_percpu
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_period_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.rt_runtime_us
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpu_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.cpus
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_exclusive
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mem_hardwall
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_migrate
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_pressure
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_page
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.memory_spread_slab
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.mems
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_load_balance
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpuset.sched_relax_domain_level
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 cpu.shares
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.allow
>>> --w------- 1 root root 0 2010-11-15 15:00 devices.deny
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 devices.list
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 freezer.state
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.failcnt
>>> --w------- 1 root root 0 2010-11-15 15:00 memory.force_empty
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.max_usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.failcnt
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.limit_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.max_usage_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.memsw.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.soft_limit_in_bytes
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.stat
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.swappiness
>>> -r--r--r-- 1 root root 0 2010-11-15 15:00 memory.usage_in_bytes
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 memory.use_hierarchy
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 net_cls.classid
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 notify_on_release
>>> -rw-r--r-- 1 root root 0 2010-11-15 15:00 tasks
>>>
>>> It is contentof my cgroup directory with running LXC. There are
>>> directories:
>>>
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:00 1285
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:00 1298
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:01 1322
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:01 1325
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:02 1335
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:09 1386
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:11 1401
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:12 1408
>>> drwxr-xr-x 4 root root 0 2010-11-15 15:12 1411
>>> drwxr-xr-x 3 root root 0 2010-11-15 15:17 1459
>>>
>>> These PIDs are no in global proc filesystem
>>> and still increasing.
>>>
>>> Load of my machine is still higher and higher.
>>>
>>> I will must restart computer ant the end. :-(
>>>
>>> What can i do with it?
>>
>> Ok, let's try to understand.
>>
>> Let's do it step-by-step :
>>
>> 1 - the topmost directory shows "freezer.state" and it shouldn't because
>> you can not freeze the system (except if there is a recent change in the
>> kernel)
>>
>> 2 - try to delete the 1285/2 directory, if you can't check the content
>> of 1285/2/tasks and look for the process in the system: is it a process
>> running inside a container ?
>
> 1285/2/tasks is empty
>
> rm -r 1285/2
> rm: cannot remove `1285/2/cpuset.memory_spread_slab': Operation not
> permitted
> rm: cannot remove `1285/2/cpuset.memory_spread_page': Operation not
> permitted
> rm: cannot remove `1285/2/cpuset.memory_pressure': Operation not permitted
> rm: cannot remove `1285/2/cpuset.memory_migrate': Operation not permitted
> rm: cannot remove `1285/2/cpuset.sched_relax_domain_level': Operation
> not permitted
> rm: cannot remove `1285/2/cpuset.sched_load_balance': Operation not
> permitted
> rm: cannot remove `1285/2/cpuset.mem_hardwall': Operation not permitted
> rm: cannot remove `1285/2/cpuset.mem_exclusive': Operation not permitted
> rm: cannot remove `1285/2/cpuset.cpu_exclusive': Operation not permitted
> rm: cannot remove `1285/2/cpuset.mems': Operation not permitted
> rm: cannot remove `1285/2/cpuset.cpus': Operation not permitted
> rm: cannot remove `1285/2/cpu.rt_period_us': Operation not permitted
> rm: cannot remove `1285/2/cpu.rt_runtime_us': Operation not permitted
> rm: cannot remove `1285/2/cpu.shares': Operation not permitted
> rm: cannot remove `1285/2/cpuacct.stat': Operation not permitted
> rm: cannot remove `1285/2/cpuacct.usage_percpu': Operation not permitted
> rm: cannot remove `1285/2/cpuacct.usage': Operation not permitted
> rm: cannot remove `1285/2/memory.memsw.failcnt': Operation not permitted
> rm: cannot remove `1285/2/memory.memsw.limit_in_bytes': Operation not
> permitted
> rm: cannot remove `1285/2/memory.memsw.max_usage_in_bytes': Operation
> not permitted
> rm: cannot remove `1285/2/memory.memsw.usage_in_bytes': Operation not
> permitted
> rm: cannot remove `1285/2/memory.swappiness': Operation not permitted
> rm: cannot remove `1285/2/memory.use_hierarchy': Operation not permitted
> rm: cannot remove `1285/2/memory.force_empty': Operation not permitted
> rm: cannot remove `1285/2/memory.stat': Operation not permitted
> rm: cannot remove `1285/2/memory.failcnt': Operation not permitted
> rm: cannot remove `1285/2/memory.soft_limit_in_bytes': Operation not
> permitted
> rm: cannot remove `1285/2/memory.limit_in_bytes': Operation not permitted
> rm: cannot remove `1285/2/memory.max_usage_in_bytes': Operation not
> permitted
> rm: cannot remove `1285/2/memory.usage_in_bytes': Operation not permitted
> rm: cannot remove `1285/2/devices.list': Operation not permitted
> rm: cannot remove `1285/2/devices.deny': Operation not permitted
> rm: cannot remove `1285/2/devices.allow': Operation not permitted
> rm: cannot remove `1285/2/freezer.state': Operation not permitted
> rm: cannot remove `1285/2/net_cls.classid': Operation not permitted
> rm: cannot remove `1285/2/notify_on_release': Operation not permitted
> rm: cannot remove `1285/2/cgroup.procs': Operation not permitted
> rm: cannot remove `1285/2/tasks': Operation not permitted
>
>> Oh, a dumb question : are you using the libvirt with lxc ?
>
> No, i using lxc package (lxc-start, lxc-stop, lxc-console, ...)
>
> I see, that vsftd running in container generate it sometimes for example.
>
> Miroslav.
>
--
Miroslav Lednicky, AVONET, s.r.o.
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