안녕하세요. 메모리 Tunning 관련 질문드립니다.
HP-UX 11i Version2(RX2620)를 사용중인데 OS(Kernel)에서 사용하는 Memory가 생각보다 큰 것같습니다. 물리 메모리는 2G인데 OS에서 약 1G 정도를 사용하네요. -_-
아래는 kmeminfo로 살펴본 Kernel의 메모리 사용내역입니다.
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Physmem = 522262 2.0g 100% Physical memory
Freemem = 2654 10.4m 1% Free physical memory
Used = 519608 2.0g 99% Used physical memory
System = 250884 980.0m 48% By kernel:
text = 6526 25.5m 1% text
data = 1566 6.1m 0% data
bss = 1319 5.2m 0% bss
Static = 41704 162.9m 8% for text/static data
Dynamic = 182016 711.0m 35% for dynamic data
Bufcache = 26113 102.0m 5% for buffer cache
SCmem = 1051 4.1m 0% for critical memory
User = 266598 1.0g 51% By user processes:
Uarea = 9200 35.9m 2% for thread uareas
Disowned = 1151 4.5m 0% Disowned pages
-----------------------------------------------------------------
Kernel dynamic memory usage (in page/byte/percent):
Physmem = 522262 2.0g 100% Physical memory
Freemem = 2654 10.4m 1% Free memory
Used = 519608 2.0g 99% Used memory
Dynamic = 182016 711.0m 35% Kernel dynamic memory
Arenas = 159981 624.9m 31% Kernel arenas
vx_inode_cache = 46416 181.3m 9%
vx_global_pool = 23115 90.3m 4%
vx_buffer_cache = 18016 70.4m 3%
spinlock = 12549 49.0m 2%
vx_rwsleeplock_ = 12006 46.9m 2%
vx_ihsm_cache = 6134 24.0m 1%
M_DYNAMIC = 5782 22.6m 1%
KMEM_ALLOC = 4304 16.8m 1%
vx_rwsleeplockr = 3019 11.8m 1%
VFD_BT_NODE = 2695 10.5m 1%
vm_pfn2v_arena = 2262 8.8m 0%
SWAP_MISC_ARENA = 2104 8.2m 0%
Heap = 2048 8.0m 0%
Heap = 2048 8.0m 0%
ALLOCB_MBLK_LM = 1424 5.6m 0%
Other = 16059 62.7m 3% Other arenas...
Kalloc = 22035 86.1m 4% kalloc()
SuperPagePool = 5796 22.6m 1% Kernel superpage cache
BufcacheBufs = 5472 21.4m 1% Buffer cache bufs
BufcacheHash = 1024 4.0m 0% Buffer cache hash heads
Other = 9743 38.1m 2% Other...
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Kernel Dynamic Memory를 적절한 수준으로 제한할 수 있는 Parameter 등은 없는지요?
