[Pacemaker] pacemaker processes RSS growth

[Andrew Beekhof]

On Mon, Dec 10, 2012 at 11:34 PM, Vladislav Bogdanov
<bubble at hoster-ok.com> wrote:
> 10.12.2012 09:56, Vladislav Bogdanov wrote:
>> 10.12.2012 04:29, Andrew Beekhof wrote:
>>> On Fri, Dec 7, 2012 at 5:37 PM, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:
>>>> 06.12.2012 09:04, Vladislav Bogdanov wrote:
>>>>> 06.12.2012 06:05, Andrew Beekhof wrote:
>>>>>> I wonder what the growth looks like with the recent libqb fix.
>>>>>> That could be an explanation.
>>>>>
>>>>> Valid point. I will watch.
>>>>
>>>> On a almost static cluster the only change in memory state during 24
>>>> hours is +700kb of shared memory to crmd on a DC. Will look after that
>>>> one for more time.
>>
>> It still grows. ~650-700k per day. I sampled 'maps' and 'smaps' content
>> from crmd's proc and will look what differs there over the time.
>
> smaps tells me it may be in /dev/shm/qb-pengine-event-1735-1736-4-data.
> 1735 is pengine, 1736 is crmd.
>
> Diff of that part:
> @@ -56,13 +56,13 @@
>  MMUPageSize:           4 kB
>  7f427fddf000-7f42802df000 rw-s 00000000 00:0f 12332
>   /dev/shm/qb-pengine-event-1735-1736-4-data
>  Size:               5120 kB
> -Rss:                4180 kB
> -Pss:                2089 kB
> +Rss:                4320 kB
> +Pss:                2159 kB
>  Shared_Clean:          0 kB
> -Shared_Dirty:       4180 kB
> +Shared_Dirty:       4320 kB
>  Private_Clean:         0 kB
>  Private_Dirty:         0 kB
> -Referenced:         4180 kB
> +Referenced:         4320 kB
>  Anonymous:             0 kB
>  AnonHugePages:         0 kB
>  Swap:                  0 kB
>
> Does it help to understand what happens?

Not yet, but its very interesting.
How did you generate this?  I'm not familiar with smaps.