[mythtv-users] FEs have high CPU and memory usage
Stephen P. Villano
stephen.p.villano at gmail.com
Tue Apr 22 05:41:50 UTC 2014
On 4/22/14, 12:16 AM, Karl Newman wrote:
> On Mon, Apr 21, 2014 at 7:27 PM, John Finlay <finlay at moeraki.com
> <mailto:finlay at moeraki.com>> wrote:
>
> On 4/21/2014 5:23 PM, Stephen P. Villano wrote:
>
> On 4/21/14, 8:22 PM, John Finlay wrote:
>
> 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
> <mailto: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 <http://mythfrontend.re>
>
> On my atom netbook, which is idle:
> 20 0 585492 99916 40200 S 6.3 9.9 109:33.51
> mythfrontend.re <http://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.
> _______________________________________________
>
> That's *really* strange. What distro are you on? What hardware
> are you
> running on? What else is installed? Which version of Myth are
> you running?
>
>
> All are running Mythbuntu 12.04 with fixes/0.27. Two are Nvidia
> ION based systems and the third is an AMD dual core with an Nvidia
> 210.
> These are dedicated to Mythtv so I haven't installed anything
> beyond the basic distro and the Nvidia driver.
>
> If I restart mythfrontend it initially runs with about 2% CPU and
> 13% memory when idle. When I play a recording it runs at 18% CPU
> and 20% memory. While browsing the recordings the memory usage
> rises to 40% which I presume is the result of loading all the
> coverart and fanart images.
>
>
> I know nothing about mythbuntu, sorry, but any chance you're using 32
> bit? 64 bit is more widely used and thus better tested these days.
>
> Karl
>
>
> _______________________________________________
>
Is there anything amiss in the logs? I'm running both 64 bit and 32 bit,
but don't have Nvidia cards. Not seeing anything here at all like that.
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