== sanity test 51f: check many open files limit ========== 23:33:43 (1781235223)
MDT0 numfree=     529999, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1316 (time 1781235238.41 total 10.00 last 131.57)
 - open/keep 2477 (time 1781235248.43 total 20.02 last 115.94)
 - open/keep 3603 (time 1781235258.44 total 30.02 last 112.51)
 - open/keep 4568 (time 1781235268.44 total 40.03 last 96.43)
 - open/keep 5719 (time 1781235278.46 total 50.05 last 114.94)
 - open/keep 6877 (time 1781235288.47 total 60.06 last 115.70)
 - open/keep 8037 (time 1781235298.47 total 70.06 last 115.93)
 - open/keep 8998 (time 1781235308.47 total 80.06 last 96.08)
 - open/keep 10000 (time 1781235317.03 total 88.62 last 117.14)
 - open/keep 11103 (time 1781235327.04 total 98.63 last 110.15)
 - open/keep 12221 (time 1781235337.05 total 108.64 last 111.74)
 - open/keep 13326 (time 1781235347.05 total 118.64 last 110.47)
total: 13454 open/keep in 120.01 seconds: 112.11 ops/second
 - closed 1840 (time 1781235358.43 total 10.01 last -1147.54)
 - closed 3828 (time 1781235368.44 total 20.02 last 198.59)
 - closed 5438 (time 1781235378.44 total 30.02 last 160.97)
 - closed 7049 (time 1781235388.44 total 40.02 last 161.08)
 - closed 8915 (time 1781235398.44 total 50.02 last 186.58)
 - closed 10000 (time 1781235404.99 total 56.58 last 165.56)
 - closed 11827 (time 1781235415.01 total 66.59 last 182.46)
total: 13454 close in 75.39 seconds: 178.46 close/second
 - unlinked 0 (time 1781235428 ; total 0 ; last 0)
 - unlinked 10000 (time 1781235525 ; total 97 ; last 97)
unlink(/mnt/lustre/d51f.sanity/f13454) error: No such file or directory
total: 13454 unlinks in 130 seconds: 103.492310 unlinks/second