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01-06-2010 02:00 AM
01-06-2010 02:00 AM
High system memory.
Hello,
iam running server with oracle 10g and aplication and i have high system memory/kenel. Can somebody please check if there is something that should i worry about?
***********************************************
unix: /stand/current/vmunix 11.31 64bit IA64 on host "hkfm1"
core: /dev/kmem live
link: Mon Nov 16 12:24:12 MET 2009
boot: Fri Dec 11 12:36:22 2009
time: Wed Jan 6 10:40:12 2010
nbpg: 4096 bytes
----------------------------------------------------------------------
Physical memory usage summary (in page/byte/percent):
Physical memory = 6283689 24.0g 100%
Free memory = 743516 2.8g 12%
User processes = 3402026 13.0g 54% details with -user
System = 2107653 8.0g 34%
Kernel = 1788643 6.8g 28% kernel text and data
Dynamic Arenas = 1158170 4.4g 18% details with -arena
spinlock_arena = 137292 536.3m 2%
FCACHE_ARENA = 124732 487.2m 2%
vx_inode_kmcach = 111088 433.9m 2%
reg_fixed_arena = 109366 427.2m 2%
misc region are = 96753 377.9m 2%
Other arenas = 578939 2.2g 9% details with -arena
Super page pool = 162908 636.4m 3% details with -kas
Emergency pool = 12850 50.2m 0% system critical reserve
UAREA's = 17440 68.1m 0%
Overflow pte's = 49119 191.9m 1%
Static Tables = 365326 1.4g 6% details with -static
pfdat = 306820 1.2g 5%
vhpt = 32768 128.0m 1%
text = 8926 34.9m 0% vmunix text section
inode = 7798 30.5m 0%
bss = 5541 21.6m 0% vmunix bss section
Other tables = 3472 13.6m 0% details with -static
File Cache = 319010 1.2g 5% details with -ufc
----------------------------------------------------------------------
Dynamic Arenas:
Fixed arena "spinlock_arena" owns 137292 pages (536.3mb):
Regular (Interleaved First) free lists account for 137292 pages (536.3mb):
Free objects represent 150.2mb (28%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 40 137292 536.3m 100 4256052 3074316 1181736 28
Variable arena "FCACHE_ARENA" owns 124732 pages (487.2mb):
Regular (Interleaved First) free lists account for 124732 pages (487.2mb):
Free objects represent 123.4mb (25%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 42386 165.6m 34 1313966 819322 494644 38
1 248 27016 105.5m 22 405240 292036 113204 28
3 504 49431 193.1m 40 346017 292034 53983 16
7 1272 1 4.0k 0 3 3 0 0
15 4096 2781 10.9m 2 2781 2781 0 0
22 32768 8 32.0k 0 1 1 0 0
23 36864 3109 12.1m 2 345 345 0 0
Variable arena "vx_inode_kmcach" owns 111088 pages (433.9mb):
Regular (Interleaved First) free lists account for 111088 pages (433.9mb):
Free objects represent 0.0b (0%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
18 16384 111088 433.9m 100 27772 27684 88 0
Fixed arena "reg_fixed_arena" owns 109366 pages (427.2mb):
Regular (Interleaved First) free lists account for 109366 pages (427.2mb):
Free objects represent 21.4mb (5%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 1032 109366 427.2m 100 328098 310061 18037 5
Variable arena "misc region are" owns 96753 pages (377.9mb):
Regular (Interleaved First) free lists account for 96753 pages (377.9mb):
Free objects represent 109.8mb (29%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 13900 54.3m 14 430900 294256 136644 32
1 248 52959 206.9m 55 794385 656196 138189 17
4 632 29891 116.8m 31 179346 90695 88651 49
17 12288 3 12.0k 0 1 1 0 0
Variable arena "vx_global_kmcac" owns 84564 pages (330.3mb):
Regular (Interleaved First) free lists account for 84564 pages (330.3mb):
Free objects represent 37.7mb (11%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 16917 66.1m 20 524427 332362 192065 37
1 248 4346 17.0m 5 65190 58216 6974 11
2 376 32450 126.8m 38 324500 306673 17827 5
3 504 8 32.0k 0 56 38 18 32
4 632 5 20.0k 0 30 7 23 77
6 888 6356 24.8m 8 25424 25420 4 0
7 1272 127 508.0k 0 381 356 25 7
8 1912 13 52.0k 0 26 20 6 23
9 3960 1159 4.5m 1 1159 81 1078 93
15 4096 16 64.0k 0 16 3 13 81
16 8192 184 736.0k 0 92 24 68 74
17 12288 12 48.0k 0 4 2 2 50
18 16384 40 160.0k 0 10 2 8 80
19 20480 10 40.0k 0 2 1 1 50
22 32768 48 192.0k 0 6 6 0 0
23 36864 22873 89.3m 27 2541 2541 0 0
Variable arena "M_VAS" owns 49031 pages (191.5mb):
Regular (Interleaved First) free lists account for 49031 pages (191.5mb):
Free objects represent 72.8mb (38%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
5 760 49027 191.5m 100 245135 152454 92681 38
15 4096 4 16.0k 0 4 0 4 100
Fixed arena "FCACHE_DEFAULT_" owns 46345 pages (181.0mb):
Regular (Interleaved First) free lists account for 46345 pages (181.0mb):
Free objects represent 74.2mb (41%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 416 46345 181.0m 100 324415 191688 132727 41
Fixed arena "preg_arena" owns 41464 pages (162.0mb):
Regular (Interleaved First) free lists account for 41464 pages (162.0mb):
Free objects represent 63.2mb (39%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 416 41464 162.0m 100 290248 177733 112515 39
Fixed arena "vx_rwsleeplock_" owns 31243 pages (122.0mb):
Regular (Interleaved First) free lists account for 31243 pages (122.0mb):
Free objects represent 7.3mb (6%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 40 31243 122.0m 100 968533 913667 54866 6
Variable arena "SWAP_MISC_ARENA" owns 30624 pages (119.6mb):
Regular (Interleaved First) free lists account for 30624 pages (119.6mb):
Free objects represent 0.0b (0%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
15 4096 29696 116.0m 97 29696 29696 0 0
23 36864 928 3.6m 3 103 103 0 0
Fixed arena "vx_rwsleeplockr" owns 29635 pages (115.8mb):
Regular (Interleaved First) free lists account for 29635 pages (115.8mb):
Free objects represent 39.4mb (34%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 56 29635 115.8m 100 918685 609104 309581 34
Best Regards,
LM
iam running server with oracle 10g and aplication and i have high system memory/kenel. Can somebody please check if there is something that should i worry about?
***********************************************
unix: /stand/current/vmunix 11.31 64bit IA64 on host "hkfm1"
core: /dev/kmem live
link: Mon Nov 16 12:24:12 MET 2009
boot: Fri Dec 11 12:36:22 2009
time: Wed Jan 6 10:40:12 2010
nbpg: 4096 bytes
----------------------------------------------------------------------
Physical memory usage summary (in page/byte/percent):
Physical memory = 6283689 24.0g 100%
Free memory = 743516 2.8g 12%
User processes = 3402026 13.0g 54% details with -user
System = 2107653 8.0g 34%
Kernel = 1788643 6.8g 28% kernel text and data
Dynamic Arenas = 1158170 4.4g 18% details with -arena
spinlock_arena = 137292 536.3m 2%
FCACHE_ARENA = 124732 487.2m 2%
vx_inode_kmcach = 111088 433.9m 2%
reg_fixed_arena = 109366 427.2m 2%
misc region are = 96753 377.9m 2%
Other arenas = 578939 2.2g 9% details with -arena
Super page pool = 162908 636.4m 3% details with -kas
Emergency pool = 12850 50.2m 0% system critical reserve
UAREA's = 17440 68.1m 0%
Overflow pte's = 49119 191.9m 1%
Static Tables = 365326 1.4g 6% details with -static
pfdat = 306820 1.2g 5%
vhpt = 32768 128.0m 1%
text = 8926 34.9m 0% vmunix text section
inode = 7798 30.5m 0%
bss = 5541 21.6m 0% vmunix bss section
Other tables = 3472 13.6m 0% details with -static
File Cache = 319010 1.2g 5% details with -ufc
----------------------------------------------------------------------
Dynamic Arenas:
Fixed arena "spinlock_arena" owns 137292 pages (536.3mb):
Regular (Interleaved First) free lists account for 137292 pages (536.3mb):
Free objects represent 150.2mb (28%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 40 137292 536.3m 100 4256052 3074316 1181736 28
Variable arena "FCACHE_ARENA" owns 124732 pages (487.2mb):
Regular (Interleaved First) free lists account for 124732 pages (487.2mb):
Free objects represent 123.4mb (25%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 42386 165.6m 34 1313966 819322 494644 38
1 248 27016 105.5m 22 405240 292036 113204 28
3 504 49431 193.1m 40 346017 292034 53983 16
7 1272 1 4.0k 0 3 3 0 0
15 4096 2781 10.9m 2 2781 2781 0 0
22 32768 8 32.0k 0 1 1 0 0
23 36864 3109 12.1m 2 345 345 0 0
Variable arena "vx_inode_kmcach" owns 111088 pages (433.9mb):
Regular (Interleaved First) free lists account for 111088 pages (433.9mb):
Free objects represent 0.0b (0%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
18 16384 111088 433.9m 100 27772 27684 88 0
Fixed arena "reg_fixed_arena" owns 109366 pages (427.2mb):
Regular (Interleaved First) free lists account for 109366 pages (427.2mb):
Free objects represent 21.4mb (5%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 1032 109366 427.2m 100 328098 310061 18037 5
Variable arena "misc region are" owns 96753 pages (377.9mb):
Regular (Interleaved First) free lists account for 96753 pages (377.9mb):
Free objects represent 109.8mb (29%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 13900 54.3m 14 430900 294256 136644 32
1 248 52959 206.9m 55 794385 656196 138189 17
4 632 29891 116.8m 31 179346 90695 88651 49
17 12288 3 12.0k 0 1 1 0 0
Variable arena "vx_global_kmcac" owns 84564 pages (330.3mb):
Regular (Interleaved First) free lists account for 84564 pages (330.3mb):
Free objects represent 37.7mb (11%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 120 16917 66.1m 20 524427 332362 192065 37
1 248 4346 17.0m 5 65190 58216 6974 11
2 376 32450 126.8m 38 324500 306673 17827 5
3 504 8 32.0k 0 56 38 18 32
4 632 5 20.0k 0 30 7 23 77
6 888 6356 24.8m 8 25424 25420 4 0
7 1272 127 508.0k 0 381 356 25 7
8 1912 13 52.0k 0 26 20 6 23
9 3960 1159 4.5m 1 1159 81 1078 93
15 4096 16 64.0k 0 16 3 13 81
16 8192 184 736.0k 0 92 24 68 74
17 12288 12 48.0k 0 4 2 2 50
18 16384 40 160.0k 0 10 2 8 80
19 20480 10 40.0k 0 2 1 1 50
22 32768 48 192.0k 0 6 6 0 0
23 36864 22873 89.3m 27 2541 2541 0 0
Variable arena "M_VAS" owns 49031 pages (191.5mb):
Regular (Interleaved First) free lists account for 49031 pages (191.5mb):
Free objects represent 72.8mb (38%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
5 760 49027 191.5m 100 245135 152454 92681 38
15 4096 4 16.0k 0 4 0 4 100
Fixed arena "FCACHE_DEFAULT_" owns 46345 pages (181.0mb):
Regular (Interleaved First) free lists account for 46345 pages (181.0mb):
Free objects represent 74.2mb (41%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 416 46345 181.0m 100 324415 191688 132727 41
Fixed arena "preg_arena" owns 41464 pages (162.0mb):
Regular (Interleaved First) free lists account for 41464 pages (162.0mb):
Free objects represent 63.2mb (39%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 416 41464 162.0m 100 290248 177733 112515 39
Fixed arena "vx_rwsleeplock_" owns 31243 pages (122.0mb):
Regular (Interleaved First) free lists account for 31243 pages (122.0mb):
Free objects represent 7.3mb (6%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 40 31243 122.0m 100 968533 913667 54866 6
Variable arena "SWAP_MISC_ARENA" owns 30624 pages (119.6mb):
Regular (Interleaved First) free lists account for 30624 pages (119.6mb):
Free objects represent 0.0b (0%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
15 4096 29696 116.0m 97 29696 29696 0 0
23 36864 928 3.6m 3 103 103 0 0
Fixed arena "vx_rwsleeplockr" owns 29635 pages (115.8mb):
Regular (Interleaved First) free lists account for 29635 pages (115.8mb):
Free objects represent 39.4mb (34%) of all memory in this arena.
idx objsz pages bytes % nobjs used free %
0 56 29635 115.8m 100 918685 609104 309581 34
Best Regards,
LM
1 REPLY 1
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01-06-2010 02:04 AM
01-06-2010 02:04 AM
Re: High system memory.
hi,
this docu was very helpfull for me regarding the system tuning and botlenecks.
http://h21007.www2.hp.com/portal/download/files/unprot/devresource/Docs/TechPapers/UXPerfCookBook.pdf
you could use kcusage/glance to see about real usage of system.
mikap
this docu was very helpfull for me regarding the system tuning and botlenecks.
http://h21007.www2.hp.com/portal/download/files/unprot/devresource/Docs/TechPapers/UXPerfCookBook.pdf
you could use kcusage/glance to see about real usage of system.
mikap
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