== sanity test 51f: check many open files limit ========== 03:11:32 (1789369892)
MDT0 numfree=534709, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5968 (time 1789369903.95 total 10.00 last 596.70)
 - open/keep 10000 (time 1789369910.09 total 16.14 last 657.02)
 - open/keep 17566 (time 1789369920.09 total 26.14 last 756.52)
 - open/keep 20000 (time 1789369923.72 total 29.77 last 670.26)
 - open/keep 26227 (time 1789369933.72 total 39.77 last 622.55)
 - open/keep 30000 (time 1789369940.85 total 46.90 last 529.22)
 - open/keep 36175 (time 1789369950.85 total 56.90 last 617.49)
 - open/keep 40000 (time 1789369957.32 total 63.38 last 590.96)
 - open/keep 45942 (time 1789369967.32 total 73.38 last 594.14)
 - open/keep 50000 (time 1789369974.20 total 80.25 last 590.09)
 - open/keep 55633 (time 1789369984.20 total 90.25 last 563.26)
 - open/keep 60000 (time 1789369990.51 total 96.57 last 691.87)
 - open/keep 67356 (time 1789370000.51 total 106.57 last 735.58)
 - open/keep 70000 (time 1789370003.97 total 110.02 last 765.64)
total: 76859 open/keep in 120.00 seconds: 640.48 ops/second
 - closed 10000 (time 1789370022.54 total 8.59 last -6986.81)
 - closed 20000 (time 1789370030.82 total 16.87 last 1206.94)
 - closed 30000 (time 1789370039.07 total 25.12 last 1213.09)
 - closed 40000 (time 1789370047.29 total 33.34 last 1216.32)
 - closed 50000 (time 1789370054.88 total 40.93 last 1317.71)
 - closed 60000 (time 1789370062.31 total 48.37 last 1344.35)
 - closed 70000 (time 1789370069.42 total 55.47 last 1408.33)
total: 76859 close in 60.37 seconds: 1273.18 close/second
 - unlinked 0 (time 1789370075 ; total 0 ; last 0)
 - unlinked 10000 (time 1789370090 ; total 15 ; last 15)
 - unlinked 20000 (time 1789370106 ; total 31 ; last 16)
 - unlinked 30000 (time 1789370119 ; total 44 ; last 13)
 - unlinked 40000 (time 1789370131 ; total 56 ; last 12)
 - unlinked 50000 (time 1789370146 ; total 71 ; last 15)
 - unlinked 60000 (time 1789370160 ; total 85 ; last 14)
 - unlinked 70000 (time 1789370174 ; total 99 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f76859) error: No such file or directory
total: 76859 unlinks in 108 seconds: 711.657410 unlinks/second