[CentOS] 2.6 memory management question

Tue Apr 10 14:34:00 UTC 2007
tblader <tblader at flambeau.com>


John Summerfield wrote:
> tblader wrote:
>> Hello all.
>> I have a centos 4.4 box (2.6.9-42.0.10.ELsmp) with 7gig of ram that
>> doesn't seem to be using swap (also 7gig now).  I say "seem" because
>> I've noticed ram utilization run around 95% (with oracle and friends
>> running) and then firing up a couple apps to use that last 5% will
>> stop the machine dead in it's tracks.
>>
> 
> What architecture is this beast?
> 
> 

Hope this is is of use.


[2]$ uname -virmop
2.6.9-42.0.10.ELsmp #1 SMP Tue Feb 27 09:40:21 EST 2007 x86_64 x86_64 x86_64 GNU/Linux


[2]$ cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 67
model name      : AMD Athlon(tm) 64 FX-62 Dual Core Processor
stepping        : 2
cpu MHz         : 2800.038
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni cx16
bogomips        : 5603.52
TLB size        : 1088 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 67
model name      : AMD Athlon(tm) 64 FX-62 Dual Core Processor
stepping        : 2
cpu MHz         : 2800.038
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni cx16
bogomips        : 5599.20
TLB size        : 1088 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]



[2]$ cat /proc/meminfo
MemTotal:      7128956 kB
MemFree:       2132556 kB
Buffers:        556832 kB
Cached:        2821408 kB
SwapCached:          0 kB
Active:        3036432 kB
Inactive:      1511364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      7128956 kB
LowFree:       2132556 kB
SwapTotal:     7340024 kB
SwapFree:      7340024 kB
Dirty:           47404 kB
Writeback:           0 kB
Mapped:        1493920 kB
Slab:           378568 kB
CommitLimit:  10904500 kB
Committed_AS:  5853520 kB
PageTables:      39176 kB
VmallocTotal: 536870911 kB
VmallocUsed:    271256 kB
VmallocChunk: 536599031 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB




-- 

Flambeau Inc. Technology Center - Baraboo, WI
Email    : tblader at flambeau.com
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