[mythtv-users] BE (0.25) memory leak?
gavin at alabastercranium.demon.co.uk
Wed Jul 4 18:50:09 UTC 2012
On 03/07/2012 23:05, Gavin Hurlbut wrote:
> On Tue, Jul 3, 2012 at 2:50 PM, Gavin Whitehead
> <gavin at alabastercranium.demon.co.uk> wrote:
>> VIRT 880m
>> RES 81m
>> VIRT 942m
>> RES 74m
>> VIRT 951m
>> RES 83m
>> So that consumed ~340MB in 15 minutes.
> How so? your VIRT and RES numbers are saying there is no significant
> growth in mythbackend at all.
> Using "free memory" from free is not a good way to judge memory leaks
> in a program. This memory includes the buffer caches and other stuff
> used by the kernel, which is almost assuredly where the memory usage
> is. As for actual memory used by mythbackend, you have shown nothing
> that indicates that at all. The Linux memory management system is
> complex and confusing for most users.
>> If I now stop and restart the BE I don't the memory back. After the BE
>> process has been stopped the free memory reported by top stays about the
> Of course it is. The kernel is keeping the memory for its buffers and caching.
> I don't see a problem here.
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> mythtv-users at mythtv.org
I starter 'worrying' about the memory because after recording stuff the
GUI applications (FE, Firefox, XBMC) seemed sluggish. And after a
reboot they seemed 'nippy'. Also, the only time I've ever noticed my
system use swap space is after 'free memory' had dropped to almost zero
I'll play some more and try and convince myself that I am imaging the
Thanks for the response.
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