[CentOS] Adding RAM
lm7812 at gmail.com
Mon Dec 8 15:13:32 UTC 2008
>> He should be able to replace the kernel via rpm -e and rpm -i
>> That said, I doubt he'll actually see a benefit.
>> PAE is slow.
>> If you want to see a real performance-gain, install 5.2 x86-64.
> You will only see a gain if the machine is swapping, otherwise more ram
> through PAE could even be slower. Maybe up to 5% slower depending on the
> machines bios and memory bus speed.
I don't think I am swapping very much.
Linux server.XXXX.net 2.6.9-78.0.8.ELsmp #1 SMP Wed Nov 19 20:05:04
EST 2008 i686 i686 i386 GNU/Linux
top - 09:11:33 up 16 days, 14:52, 2 users, load average: 10.19, 18.29, 23.17
Tasks: 158 total, 2 running, 152 sleeping, 0 stopped, 4 zombie
Cpu0 : 5.3% us, 4.0% sy, 0.0% ni, 81.5% id, 9.3% wa, 0.0% hi, 0.0% si
Cpu1 : 11.3% us, 8.3% sy, 0.0% ni, 1.7% id, 78.1% wa, 0.7% hi, 0.0% si
Mem: 8309188k total, 4761352k used, 3547836k free, 451464k buffers
Swap: 2031608k total, 192k used, 2031416k free, 1564316k cached
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