[mythtv-users] A few 0.19 and RAM questions

Christopher McEwan christopher.mcewan at gmail.com
Tue Feb 7 10:57:56 UTC 2006


On 2/6/06, Andrew Ingram <adingram at clara.co.uk> wrote:
>
> > On 2/6/06, Mark Hetherington <redcane at dodo.com.au> wrote:
> > > I'm not an expert on this, so this is mostly a matter of what I
> > > believe to be true, but perhaps is not particularly accurate.
> > > I think no matter how much RAM you have, linux will still use some
> > > swap. I think it's partly so it can have stuff already swapped out,
> > > even if it is in RAM as well, so it doesn't take as long to
> > swap when
> > > needed. I'm fairly certain 512Mb is sufficient unless your
> > looking at multiple encoders.
> >
> > top - 20:54:22 up 7 days, 23:10,  3 users,  load average:
> > 2.38, 2.17, 2.04
> > Tasks: 122 total,   5 running, 117 sleeping,   0 stopped,   0 zombie
> > Cpu(s):  1.3% us,  6.7% sy, 90.3% ni,  0.0% id,  0.0% wa,
> > 0.0% hi,  1.7% si
> > Mem:   1296740k total,  1273420k used,    23320k free,
> > 2388k buffers
> > Swap:  1301256k total,    87264k used,  1213992k free,
> > 938236k cached
> >
> > That's my top output and as you can see the system is using a
> > little bit of swap.. even though I have some free ram.
> >
> > I'd have agree with the statement above about linux will
> > always use a little bit of swap.
>
> I'm not so sure. Here is my box:
>
> top - 17:16:17 up 1 day, 17:14,  2 users,  load average: 1.03, 1.02, 1.00
> Tasks: 114 total,   1 running, 113 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.2% us,  0.3% sy,  0.0% ni, 99.5% id,  0.0% wa,  0.0% hi,  0.0%si
> Mem:    512432k total,   453508k used,    58924k free,   145912k buffers
> Swap:   979924k total,        0k used,   979924k free,    90660k cached
>
> Admittedly, my box had a reboot and has only been up for just over 41
> hours,
> but it's 2 tuners have been recording and playing back quite a bit in that
> time.
>
> Andy
>
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>

As you can see im hardly using any aswell and with 90 days uptime I dont
think that matters.


Top
-------
Tasks: 115 total,   2 running, 111 sleeping,   0 stopped,   2 zombie
Cpu(s): 19.0% us,  1.4% sy,  0.4% ni, 78.6% id,  0.5% wa,  0.1% hi,  0.0% si
Mem:   1035796k total,  1022444k used,    13352k free,   129968k buffers
Swap:  2096472k total,      224k used,  2096248k free,   463032k cached

Uptime
-----------
10:57:10 up 90 days, 14 min,  3 users,  load average: 0.22, 0.25, 0.25


--
Regards,


~CM
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