== sanity test 51f: check many open files limit ========== 10:14:23 (1785939263)
MDT0 numfree=     534006, max=100000
changed ulimit from 1024 to 100020
 - open/keep 969 (time 1785939278.42 total 10.00 last 96.89)
 - open/keep 2629 (time 1785939288.42 total 20.01 last 165.89)
 - open/keep 4054 (time 1785939298.43 total 30.01 last 142.44)
 - open/keep 5287 (time 1785939308.43 total 40.01 last 123.28)
 - open/keep 6136 (time 1785939318.44 total 50.02 last 84.84)
 - open/keep 6963 (time 1785939328.44 total 60.02 last 82.70)
 - open/keep 8334 (time 1785939338.44 total 70.03 last 137.01)
 - open/keep 9263 (time 1785939348.45 total 80.04 last 92.82)
 - open/keep 10000 (time 1785939357.40 total 88.98 last 82.40)
 - open/keep 10745 (time 1785939367.40 total 98.99 last 74.46)
 - open/keep 12008 (time 1785939377.40 total 108.99 last 126.30)
 - open/keep 13203 (time 1785939387.41 total 118.99 last 119.46)
total: 13305 open/keep in 120.02 seconds: 110.86 ops/second
 - closed 2146 (time 1785939398.44 total 10.01 last -1104.96)
 - closed 4273 (time 1785939408.45 total 20.01 last 212.60)
 - closed 6039 (time 1785939418.45 total 30.01 last 176.58)
 - closed 8457 (time 1785939428.45 total 40.02 last 241.68)
 - closed 10000 (time 1785939434.35 total 45.92 last 261.54)
 - closed 12637 (time 1785939444.36 total 55.92 last 263.57)
total: 13305 close in 58.67 seconds: 226.79 close/second
 - unlinked 0 (time 1785939451 ; total 0 ; last 0)
 - unlinked 10000 (time 1785939547 ; total 96 ; last 96)
unlink(/mnt/lustre/d51f.sanity/f13305) error: No such file or directory
total: 13305 unlinks in 129 seconds: 103.139534 unlinks/second