E Norm One wrote:
Normally i run 512Mb i one of my SBE (pvr 250 & pvr 350), but as an
experiment i've put in 256Mb and after a week my 'top' status looks like
this:
Tasks: 59 total, 2 running, 57 sleeping, 0 stopped, 0 zombie
Cpu(s): 4.3% us, 4.0% sy, 0.0% ni, 88.8% id, 0.0% wa, 1.0% hi, 2.0% si
Mem: 254868k total, 250944k used, 3924k free, 868k buffers
Swap: 488556k total, 152k used, 488404k free, 197776k cached
...
9081 mythtv 16 0 119m 18m 10m S 0.0 7.3 0:11.65 mythbackend
....
It's a minimal configuration (no X running), it is just running
sshd,ntpd,mythbackend and syslog-ng.
So, yes. I would say that 256Mb is needed for a smooth operation.
Usually the kernel doesn't page infrequently used memory blocks unless
it's running out so memory consumption will creep up to near 100% and
stay there while swap is sparsely used if at all, mem used is not an
indication of whether you have enough RAM but swap utilisation is.
top - 13:38:48 up 1 day, 5:45, 4 users, load average: 1.51,1.26,0.95
Tasks: 67 total, 2 running, 65 sleeping, 0 stopped, 0 zombie
Cpu(s): 41.5% us, 1.9% sy, 0.0% ni, 55.7% id ,0.0% wa, 0.9% hi, 0.0% si
Mem: 774056k total, 766004k used, 8052k free, 2372k buffers
Swap: 337356k total, 0k used, 337356k free, 488536k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3465 mythtv 15 0 226m 74m 14m S 43.5 9.9 567:44.48 mythbackend
4192 root 16 0 114m 47m 2996 S 0.0 6.3 2:15.28 XFree86
4794 mythtv 16 0 139m 41m 16m S 0.0 5.4 3:55.95 mythfrontend
3426 mysql 11 -5 67988 29m 3116 S 0.0 3.9 1:34.59 mysqld
2879 www-data 16 0 149m 13m 3940 S 0.0 1.8 0:22.77 apache
4392 www-data 15 0 149m 13m 3940 S 0.0 1.8 0:17.28 apache
4390 www-data 16 0 148m 12m 3940 S 0.0 1.7 0:15.40 apache
2878 www-data 16 0 148m 12m 3936 S 0.0 1.7 0:19.40 apache
2874 www-data 15 0 148m 12m 3944 S 0.0 1.7 0:17.44 apache
4391 www-data 16 0 148m 12m 3944 S 0.0 1.7 0:25.50 apache
2876 www-data 16 0 147m 12m 3940 S 0.0 1.6 0:21.18 apache
2877 www-data 15 0 147m 11m 3944 S 0.0 1.5 0:20.68 apache
2873 root 16 0 137m 4228 3224 S 0.0 0.5 0:01.74 apache
--
tveeprom: Hauppauge: model = 34132, rev = J158,
tveeprom: tuner = Philips FM1236 MK3 (idx = 58, type = 4)
tveeprom: audio_processor = MSP3416 (type = 14)
(new type Model 401)
model name : mobile AMD Athlon(tm) XP Processor
cpu MHz : 2277.214
cache size : 512 KB
(Plenty o' grunt on an ECS k7s5a MB)
Knoppmyth R5A16 (unmodified)
http://mysettopbox.tv/CHANGELOG.txt
MythTV 0.18.1
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