[lxc-users] We need a lxc-top utility

[CDR]

I am not a developer, but an IT manager. I noticed, from business
standpoint, that once you have a large number of containers, with
identical processes, LXC becomes unmanageable.
I am the consumer of this technology. I am the "customer".

Yours
Philip


On Tue, May 20, 2014 at 11:16 PM, Fajar A. Nugraha <list at fajar.net> wrote:
> On Wed, May 21, 2014 at 7:07 AM, CDR <venefax at gmail.com> wrote:
>> Dear Friends
>> I have 20+ containers with the same programs running. All of them are
>> cpu-intensive. But one of them is eating way more CPU than the
>> average. With "top" I have no idea which container "owns" that
>> program. Perhaps we need a new "lxc-top" that would identify the
>> process and the container, and maybe allow to sort by container-cpu or
>> memory, or show cpu-container, memory-container, etc.
>
>
> Sure. Submit patches to create the utility.
>
> You can start from output of lxc-ps and lxc-info. In your case, you'd
> be most interested in CPU use.
>
> # lxc-ls --active
> build
>
> # lxc-info -n build -S -H
> CPU use:        18523054463
> BlkIO use:      2207232
> Memory use:     12247040
> Link:           veth-build-0
>  TX bytes:      8670717
>  RX bytes:      227056
>  Total bytes:   8897773
>
> Depending on what you're used to, it might be easier to either write
> something to extend snmp, or write a cacti plugin directly, and
> monitor the output using cacti or
> whatever-that-can-plot-raw-output-into-graph.
>
> --
> Fajar
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