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03-03-2013 10:44 AM
03-03-2013 10:44 AM
Memory tune on Hpux 11.31
Hi Team,
what is "btree_chunk_are " in hpux 11.31 and what causing this to grow ?.i have seen in my system 10% of physcial memory goes to this (kmeminfo - arena)
Fixed arena "btree_chunk_are" owns 338054 pages (1.3gb):
Regular (Closest First) free lists account for 338054 pages (1.3gb):
Free objects represent 435.8mb (33%) of all memory of this type in this arena.
idx objsz pages bytes % nobjs used free %
0 512 338054 1.3g 100 2366378 1589946 776432 33
how to reduce this utilisation and what is causing it to grow ?
2--secondly on waht situation can i tell my system is in need of additional physcial memory .. below swapinfo shows any clue ?
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 8192 1248 6944 15% 0 - 1 /dev/vg00/lvol2
dev 24576 1243 23333 5% 0 - 1 /dev/vg00/lvol9
reserve - 10030 -10030
memory 31069 25845 5224 83%
total 63837 38366 25471 60% - 0 -
3-high pagein value shows memory pressure ?
procs memory page faults cpu
r b w avm free re at pi po fr de sr in sy cs us sy id
5 2 0 2982892 113117 5 0 36 27 2 0 76 9828 78469 4649 16 4 80
5 2 0 2982892 112925 9 0 40 0 0 0 0 23165 384036 6751 28 4 68
2 0 0 2595504 117242 2 0 12 0 0 0 0 24536 368680 7145 23 4 74
2 0 0 2595504 119333 0 0 100 0 0 0 0 20838 374416 5623 25 4 71
4 4 0 2399105 117078 0 0 50 0 0 0 0 18492 356707 5232 21 4 75
rgds,trng
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03-03-2013 11:57 PM
03-03-2013 11:57 PM
Re: Memory tune on HP-UX 11.31
3-high pagein value shows memory pressure?
If they were pageout instead.