== sanity test 51f: check many open files limit ========== 18:17:55 (1780525075)
striped dir -i1 -c1 -H fnv_1a_64  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=    1023573, max=100000
changed ulimit from 1024 to 100100
 - open/keep 2583 (time 1780525087.20 total 10.00 last 258.21)
 - open/keep 5261 (time 1780525097.21 total 20.01 last 267.75)
 - open/keep 7939 (time 1780525107.21 total 30.01 last 267.77)
 - open/keep 10000 (time 1780525114.00 total 36.80 last 303.58)
 - open/keep 13097 (time 1780525124.00 total 46.80 last 309.61)
 - open/keep 15851 (time 1780525134.00 total 56.80 last 275.31)
 - open/keep 18492 (time 1780525144.00 total 66.80 last 264.08)
 - open/keep 20000 (time 1780525150.06 total 72.86 last 248.99)
 - open/keep 22797 (time 1780525160.06 total 82.86 last 279.68)
 - open/keep 25714 (time 1780525170.06 total 92.86 last 291.66)
 - open/keep 28548 (time 1780525180.06 total 102.86 last 283.39)
 - open/keep 30000 (time 1780525185.71 total 108.51 last 257.03)
 - open/keep 32497 (time 1780525195.71 total 118.51 last 249.62)
total: 32870 open/keep in 120.00 seconds: 273.91 ops/second
 - closed 4295 (time 1780525207.20 total 10.00 last -2819.68)
 - closed 9061 (time 1780525217.20 total 20.00 last 476.59)
 - closed 10000 (time 1780525219.01 total 21.81 last 520.57)
 - closed 14947 (time 1780525229.01 total 31.81 last 494.66)
 - closed 20000 (time 1780525237.75 total 40.55 last 577.82)
 - closed 25093 (time 1780525247.75 total 50.55 last 509.23)
 - closed 29244 (time 1780525257.76 total 60.55 last 415.04)
 - closed 30000 (time 1780525259.40 total 62.20 last 459.13)
total: 32870 close in 68.82 seconds: 477.65 close/second
 - unlinked 0 (time 1780525270 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525300 ; total 30 ; last 30)
 - unlinked 20000 (time 1780525330 ; total 60 ; last 30)
 - unlinked 30000 (time 1780525354 ; total 84 ; last 24)
unlink(/mnt/lustre/d51f.sanity/f32870) error: No such file or directory
total: 32870 unlinks in 91 seconds: 361.208801 unlinks/second