== sanity test 51f: check many open files limit ========== 12:59:23 (1772474363)
MDT0 numfree=     487852 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1701 (time 1772474376.49 total 10.01 last 169.98)
 - open/keep 3387 (time 1772474386.50 total 20.01 last 168.59)
 - open/keep 5045 (time 1772474396.51 total 30.02 last 165.56)
 - open/keep 6738 (time 1772474406.51 total 40.02 last 169.25)
 - open/keep 8423 (time 1772474416.51 total 50.03 last 168.47)
 - open/keep 10000 (time 1772474424.40 total 57.92 last 199.87)
 - open/keep 11869 (time 1772474434.41 total 67.92 last 186.87)
 - open/keep 13799 (time 1772474444.41 total 77.92 last 192.95)
 - open/keep 15825 (time 1772474454.41 total 87.92 last 202.59)
 - open/keep 17659 (time 1772474464.41 total 97.92 last 183.33)
 - open/keep 19360 (time 1772474474.42 total 107.93 last 170.00)
 - open/keep 20000 (time 1772474477.82 total 111.34 last 187.86)
total: 21494 open/keep in 120.01 seconds: 179.11 ops/second
 - closed 2743 (time 1772474496.49 total 10.00 last -1725.67)
 - closed 5711 (time 1772474506.50 total 20.00 last 296.74)
 - closed 8690 (time 1772474516.50 total 30.00 last 297.84)
 - closed 10000 (time 1772474520.55 total 34.06 last 322.98)
 - closed 13133 (time 1772474530.56 total 44.07 last 313.10)
 - closed 16123 (time 1772474540.56 total 54.07 last 298.99)
 - closed 20000 (time 1772474550.19 total 63.69 last 402.76)
total: 21494 close in 68.00 seconds: 316.10 close/second
 - unlinked 0 (time 1772474556 ; total 0 ; last 0)
 - unlinked 10000 (time 1772474594 ; total 38 ; last 38)
 - unlinked 20000 (time 1772474640 ; total 84 ; last 46)
unlink(/mnt/lustre/d51f.sanity/f21494) error: No such file or directory
total: 21494 unlinks in 89 seconds: 241.505615 unlinks/second