== sanity test 51f: check many open files limit ========== 14:40:32 (1788806432)
striped dir -i1 -c2 -H crush  /mnt/lustre/d51f.sanity
MDT1 numfree=1021990, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2291 (time 1788806444.36 total 10.00 last 229.08)
 - open/keep 4456 (time 1788806454.36 total 20.00 last 216.44)
 - open/keep 7127 (time 1788806464.36 total 30.01 last 267.04)
 - open/keep 10000 (time 1788806473.64 total 39.28 last 309.75)
 - open/keep 13136 (time 1788806483.64 total 49.29 last 313.46)
 - open/keep 15695 (time 1788806493.65 total 59.29 last 255.77)
 - open/keep 17979 (time 1788806503.65 total 69.29 last 228.35)
 - open/keep 20000 (time 1788806512.54 total 78.19 last 227.18)
 - open/keep 22471 (time 1788806522.55 total 88.19 last 247.06)
 - open/keep 25002 (time 1788806532.55 total 98.19 last 253.09)
 - open/keep 28118 (time 1788806542.55 total 108.19 last 311.51)
 - open/keep 30000 (time 1788806547.91 total 113.56 last 350.79)
total: 32286 open/keep in 120.00 seconds: 269.04 ops/second
 - closed 5171 (time 1788806564.36 total 10.00 last -2482.89)
 - closed 9929 (time 1788806574.36 total 20.00 last 475.74)
 - closed 10000 (time 1788806574.48 total 20.12 last 577.68)
 - closed 15836 (time 1788806584.49 total 30.12 last 583.57)
 - closed 20000 (time 1788806591.62 total 37.26 last 583.32)
 - closed 25010 (time 1788806601.62 total 47.26 last 500.95)
 - closed 30000 (time 1788806609.92 total 55.56 last 601.45)
total: 32286 close in 59.03 seconds: 546.91 close/second
 - unlinked 0 (time 1788806614 ; total 0 ; last 0)
 - unlinked 10000 (time 1788806636 ; total 22 ; last 22)
 - unlinked 20000 (time 1788806662 ; total 48 ; last 26)
 - unlinked 30000 (time 1788806683 ; total 69 ; last 21)
unlink(/mnt/lustre/d51f.sanity/f32286) error: No such file or directory
total: 32286 unlinks in 74 seconds: 436.297302 unlinks/second