SEO

Hi,

my AIX 5.1 system has following vmstat output with high fi/fo but low pi/po.
my vmtune config is shown below.

How I can resolve this ?

kthr memory page faults cpu
-------- ----------- ------------------------ ------------ -----------
r b p avm fre fi fo pi po fr sr in sy cs us sy id wa
1 3 0 543714 132 567 668 0 1 93 307 1012 1829 2252 1 5 79 15
0 1 0 543718 126 412 9338 0 0 2507 4382 5376 5285 20577 9 22 10 59
1 9 0 543718 123 1597 2193 0 0 1601 3003 2500 11399 12911 21 12 8 58
1 13 0 543718 132 1977 2364 0 0 2034 3108 3008 11249 14616 21 12 10 56
0 7 0 543718 126 1687 2052 0 0 1689 2193 2414 11649 12632 23 9 8 60
0 10 0 543718 130 1738 2480 0 0 1803 3183 2738 11373 13755 19 13 14 55
1 14 0 543718 120 1523 2388 2 0 1621 5134 2482 11462 12955 18 11 7 65
1 9 0 543718 130 1833 1984 0 0 2338 4780 2556 9896 12199 16 11 8 65
1 5 0 543718 124 1850 1940 0 0 2381 5434 2561 10349 12727 14 13 7 66
0 11 0 543718 128 2490 1621 0 0 2978 11818 2476 9999 12254 18 13 15 55
0 15 0 543718 121 2045 1647 0 0 2533 4471 2560 9986 11812 15 10 6 68
1 9 0 543718 128 1679 2257 0 0 2288 9829 2567 9665 12559 14 12 9 65
3 2 0 543718 125 2357 1626 0 0 2853 4541 2316 9894 11842 16 8 5 71
0 6 0 543718 126 2052 1675 0 0 2583 5386 2600 10381 11984 17 11 8 65
1 10 0 543718 130 2028 2451 0 0 2730 2910 2802 9929 13667 20 11 10 59
2 2 0 543718 126 2372 1683 0 0 2873 4215 2464 10249 12333 18 11 6 66
2 11 0 543718 132 2337 1710 0 0 2903 3905 2838 10204 13002 15 10 9 66
1 10 0 543718 132 3372 2062 0 0 3971 4762 3076 9679 14611 17 15 8 59
1 8 0 543718 120 1817 1877 0 0 2345 2604 2627 10142 12601 18 10 8 64
1 9 0 543718 126 4535 1624 0 0 5057 6460 3178 9789 15633 18 17 11 54

vmtune: current values:
-p -P -r -R -f -F -N -W
minperm maxperm minpgahead maxpgahead minfree maxfree pd_npages maxrandwrt
203827 815308 2 8 120 128 65536 0

-M -w -k -c -b -B -u -l -d
maxpin npswarn npskill numclust numfsbufs hd_pbuf_cnt lvm_bufcnt lrubucket defps
838854 69632 17408 1 186 1504 9 131072 1

-s -n -S -L -g -h
sync_release_ilock nokilluid v_pinshm lgpg_regions lgpg_size strict_maxperm
0 0 0 0 0 0

-t -j -J -z
maxclient j2_nPagesPer j2_maxRandomWrite j2_nRandomCluster
815308 32 0 0 1611005976

-Z -q -Q -y
j2_nBufferPer j2_minPageReadAhead j2_maxPageReadAhead memory_affinity
512 2 8 0

-V -i -e -E
num_spec_dataseg spec_dataseg_int jfs_clread_enabled jfs_use_read_lock
0 512 0 1

PTA balance threshold percentage = 50.000000%

number of valid memory pages = 1048567 maxperm=79.9% of real memory
maximum pinable=80.0% of real memory minperm=20.0% of real memory
number of file memory pages = 819568 numperm=80.3% of real memory
number of compressed memory pages = 0 compressed=0.0% of real memory
number of client memory pages = 0 numclient=0.0% of real memory
# of remote pgs sched-pageout = 0 maxclient=79.9% of real memory

regards
MAVerick