== sanity test 51f: check many open files limit ========== 04:34:19 (1789547659)
MDT0 numfree=534037, max=100000
changed ulimit from 1024 to 100020
 - open/keep 7965 (time 1789547671.22 total 10.00 last 796.40)
 - open/keep 10000 (time 1789547674.45 total 13.23 last 630.01)
 - open/keep 17925 (time 1789547684.46 total 23.23 last 792.44)
 - open/keep 20000 (time 1789547687.07 total 25.85 last 793.42)
 - open/keep 26957 (time 1789547697.07 total 35.85 last 695.65)
 - open/keep 29901 (time 1789547707.08 total 45.85 last 294.25)
 - open/keep 32223 (time 1789547717.08 total 55.85 last 232.19)
 - open/keep 34222 (time 1789547727.08 total 65.86 last 199.86)
 - open/keep 35388 (time 1789547737.09 total 75.87 last 116.44)
 - open/keep 36489 (time 1789547747.10 total 85.87 last 110.07)
 - open/keep 37603 (time 1789547757.10 total 95.87 last 111.38)
 - open/keep 39042 (time 1789547767.10 total 105.88 last 143.88)
 - open/keep 40000 (time 1789547772.15 total 110.92 last 189.74)
total: 42288 open/keep in 120.02 seconds: 352.35 ops/second
 - closed 4769 (time 1789547791.24 total 10.00 last -3522.79)
 - closed 8269 (time 1789547801.24 total 20.00 last 349.95)
 - closed 10000 (time 1789547805.14 total 23.90 last 443.84)
 - closed 14665 (time 1789547815.15 total 33.91 last 466.34)
 - closed 19989 (time 1789547825.15 total 43.91 last 532.25)
 - closed 20000 (time 1789547825.18 total 43.94 last 406.49)
 - closed 25487 (time 1789547835.18 total 53.94 last 548.65)
 - closed 30000 (time 1789547842.77 total 61.53 last 594.53)
 - closed 36123 (time 1789547852.77 total 71.53 last 612.26)
 - closed 40000 (time 1789547861.76 total 80.52 last 431.21)
total: 42288 close in 85.13 seconds: 496.76 close/second
 - unlinked 0 (time 1789547868 ; total 0 ; last 0)
 - unlinked 10000 (time 1789547909 ; total 41 ; last 41)
 - unlinked 20000 (time 1789547958 ; total 90 ; last 49)
 - unlinked 30000 (time 1789548006 ; total 138 ; last 48)
 - unlinked 40000 (time 1789548050 ; total 182 ; last 44)
unlink(/mnt/lustre/d51f.sanity/f42288) error: No such file or directory
total: 42288 unlinks in 192 seconds: 220.250000 unlinks/second