[mythtv-users] FEs have high CPU and memory usage

[John Finlay]

On 4/21/2014 3:47 PM, Stephen P. Villano wrote:
> On 4/21/14, 5:50 PM, John Finlay wrote:
>> On 4/21/2014 2:26 PM, Mark Perkins wrote:
>>>> On 22 Apr 2014, at 4:48 am, "John Finlay" <finlay at moeraki.com> wrote:
>>>>
>>>> I have three FEs with 2GB that slowly over the course of a week or
>>>> so use use up all the memory and eventually crash I think may be due
>>>> to running out of swap. The amount of memory usage seems to be
>>>> related to the duty cycle of the FE i.e. the more that the FE is
>>>> used the faster it uses up memory.
>>>>
>>>> These systems are all running Mythbuntu 12.04 with fixes/0.27. The
>>>> CPU usage also seems to be high on these systems when they are idle
>>>> 30%-72%. I don't see anything in the logs that indicates what's
>>>> causing the apparently high CPU and memory usage but I probably need
>>>> to run with different logging options.
>>>>
>>>> Is this level of CPU and memory usage normal? What would be a good
>>>> approach to determining why these systems are using so many
>>>> resources when idle?
>>>>
>>>> john
>>>> _______________________________________________
>>> My main FE runs 24/7 and on idle sits at about 1-2% CPU usage. It has
>>> 4Gb memory but is only using 1.7Gb at the moment.
>>>
>>> Run 'top' from a command prompt to see what your memory usage is, it
>>> will also show you what program(s) are using your CPU, and work from
>>> there.
>>>
>> I forgot to mention that I am using top to see what the CPU and memory
>> usage is. I also forgot to mention that mythfrontend.real is the
>> process that is using 30+% of the CPU and 30%-72% of the memory which
>> seems unexpectedly high for idle usage.
>>
>> John
>> _______________________________________________
> I have an FE playing on a notebook computer. It's currently playing a
> movie as well.
>   PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 20   0 3424m 535m  56m R   56 26.9 517:12.52
> mythfrontend.re
>
> On my atom netbook, which is idle:
> 20   0  585492  99916  40200 S   6.3  9.9 109:33.51 mythfrontend.re
>
> I'd check top and even try htop to see what is chewing up resources.
> Myth doesn't use up *that* much horsepower.
>
>
Unfortunately mythfrontend.real seems to be the culprit on all three FEs.