== sanity test 51f: check many open files limit ========== 17:49:14 (1779313754)
MDT0 numfree=     539016, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2294 (time 1779313767.56 total 10.00 last 229.33)
 - open/keep 4061 (time 1779313777.57 total 20.01 last 176.63)
 - open/keep 5663 (time 1779313787.58 total 30.02 last 159.97)
 - open/keep 7841 (time 1779313797.58 total 40.02 last 217.76)
 - open/keep 10000 (time 1779313804.95 total 47.39 last 293.20)
 - open/keep 11907 (time 1779313814.95 total 57.39 last 190.65)
 - open/keep 13420 (time 1779313824.95 total 67.39 last 151.29)
 - open/keep 14933 (time 1779313834.95 total 77.39 last 151.29)
 - open/keep 16485 (time 1779313844.95 total 87.40 last 155.13)
 - open/keep 18092 (time 1779313854.96 total 97.40 last 160.68)
 - open/keep 19539 (time 1779313864.96 total 107.40 last 144.66)
 - open/keep 20000 (time 1779313868.00 total 110.44 last 151.47)
total: 21282 open/keep in 120.00 seconds: 177.34 ops/second
 - closed 2419 (time 1779313887.57 total 10.00 last -1757.66)
 - closed 5231 (time 1779313897.57 total 20.01 last 281.13)
 - closed 8107 (time 1779313907.58 total 30.01 last 287.40)
 - closed 10000 (time 1779313914.82 total 37.25 last 261.43)
 - closed 12398 (time 1779313924.82 total 47.25 last 239.76)
 - closed 14333 (time 1779313934.82 total 57.25 last 193.50)
 - closed 16431 (time 1779313944.82 total 67.26 last 209.79)
 - closed 18779 (time 1779313954.82 total 77.26 last 234.78)
 - closed 20000 (time 1779313959.40 total 81.83 last 266.79)
total: 21282 close in 86.62 seconds: 245.70 close/second
 - unlinked 0 (time 1779313967 ; total 0 ; last 0)
 - unlinked 10000 (time 1779314052 ; total 85 ; last 85)
 - unlinked 20000 (time 1779314136 ; total 169 ; last 84)
unlink(/mnt/lustre/d51f.sanity/f21282) error: No such file or directory
total: 21282 unlinks in 179 seconds: 118.893852 unlinks/second