== sanity test 51f: check many open files limit ========== 16:41:10 (1760128870)
MDT0 numfree=489360, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1585 (time 1760128883.39 total 10.00 last 158.47)
 - open/keep 3361 (time 1760128893.40 total 20.01 last 177.54)
 - open/keep 5277 (time 1760128903.41 total 30.02 last 191.41)
 - open/keep 7118 (time 1760128913.41 total 40.02 last 184.05)
 - open/keep 9752 (time 1760128923.41 total 50.02 last 263.37)
 - open/keep 12204 (time 1760128933.41 total 60.02 last 245.16)
 - open/keep 14435 (time 1760128943.41 total 70.02 last 223.05)
 - open/keep 16749 (time 1760128953.42 total 80.02 last 231.37)
 - open/keep 18714 (time 1760128963.42 total 90.03 last 196.33)
 - open/keep 20000 (time 1760128970.44 total 97.05 last 183.22)
 - open/keep 21660 (time 1760128980.45 total 107.06 last 165.93)
 - open/keep 23334 (time 1760128990.45 total 117.06 last 167.38)
total: 23863 open/keep in 120.00 seconds: 198.85 ops/second
 - closed 2984 (time 1760129003.40 total 10.00 last -2034.50)
 - closed 5859 (time 1760129013.40 total 20.01 last 287.42)
 - closed 8847 (time 1760129023.40 total 30.01 last 298.78)
 - closed 10000 (time 1760129027.04 total 33.65 last 316.55)
 - closed 12965 (time 1760129037.04 total 43.65 last 296.48)
 - closed 16081 (time 1760129047.04 total 53.65 last 311.53)
 - closed 19240 (time 1760129057.05 total 63.65 last 315.82)
 - closed 20000 (time 1760129059.29 total 65.89 last 339.49)
 - closed 23090 (time 1760129069.29 total 75.89 last 308.93)
total: 23863 close in 78.20 seconds: 305.16 close/second
 - unlinked 0 (time 1760129073 ; total 0 ; last 0)
 - unlinked 10000 (time 1760129112 ; total 39 ; last 39)
 - unlinked 20000 (time 1760129151 ; total 78 ; last 39)
unlink(/mnt/lustre/d51f.sanity/f23863) error: No such file or directory
total: 23863 unlinks in 93 seconds: 256.591400 unlinks/second