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For those of you that are on AIX 6.1 what do you have set for the minperm and maxperm when you run vmstat -v. There was nothing defined in the install docs for AIX so our admins left it at the defaults of 3 and 80 which is using up half of our memory. With 96 Sites we are running out of memory on a 32gb system! On our HP our buffer cache was no where near as big and we did fine with 16 gb so I don’t know what there problem is in lowering the value based on vmstat statistics but…. So, if I could get some bench marks from those that have been running for a while that would be great.
Thanks in advance,
John Mercogliano
Sentara Healthcare
Hampton Roads, VA
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hci ppcg% vmstat -v
1957888 memory pages
1875984 lruable pages
60905 free pages
2 memory pools
595493 pinned pages
80.0 maxpin percentage
3.0 minperm percentage
90.0 maxperm percentage
38.0 numperm percentage
714354 file pages
0.0 compressed percentage
0 compressed pages
38.0 numclient percentage
90.0 maxclient percentage
714354 client pages
0 remote pageouts scheduled
441 pending disk I/Os blocked with no pbuf
0 paging space I/Os blocked with no psbuf
2484 filesystem I/Os blocked with no fsbuf
0 client filesystem I/Os blocked with no fsbuf
80278 external pager filesystem I/Os blocked with no fsbuf
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/home/hci> vmstat -v
2031616 memory pages
1954993 lruable pages
4505 free pages
1 memory pools
372794 pinned pages
80.0 maxpin percentage
3.0 minperm percentage
90.0 maxperm percentage
55.2 numperm percentage
1079801 file pages
0.0 compressed percentage
0 compressed pages
55.2 numclient percentage
90.0 maxclient percentage
1079801 client pages
0 remote pageouts scheduled
10 pending disk I/Os blocked with no pbuf
0 paging space I/Os blocked with no psbuf
2228 filesystem I/Os blocked with no fsbuf
0 client filesystem I/Os blocked with no fsbuf
85828 external pager filesystem I/Os blocked with no fsbuf
46.6 percentage of memory used for computational pages
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