== sanity test 51f: check many open files limit ========== 04:55:46 (1773737746)
MDT0 numfree=     489466 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 651 (time 1773737764.56 total 10.00 last 65.07)
 - open/keep 1086 (time 1773737774.58 total 20.03 last 43.39)
 - open/keep 1856 (time 1773737784.59 total 30.03 last 76.97)
 - open/keep 2500 (time 1773737794.60 total 40.05 last 64.29)
 - open/keep 3284 (time 1773737804.65 total 50.09 last 78.07)
 - open/keep 4245 (time 1773737814.68 total 60.12 last 95.80)
 - open/keep 4926 (time 1773737824.68 total 70.13 last 68.07)
 - open/keep 5669 (time 1773737834.70 total 80.15 last 74.16)
 - open/keep 6374 (time 1773737844.72 total 90.16 last 70.39)
 - open/keep 7247 (time 1773737854.72 total 100.16 last 87.29)
 - open/keep 8194 (time 1773737864.72 total 110.17 last 94.66)
total: 8797 open/keep in 120.00 seconds: 73.31 ops/second
 - closed 1418 (time 1773737884.57 total 10.01 last -676.71)
 - closed 2772 (time 1773737894.57 total 20.02 last 135.34)
 - closed 4140 (time 1773737904.58 total 30.02 last 136.75)
 - closed 5515 (time 1773737914.58 total 40.02 last 137.45)
 - closed 6885 (time 1773737924.58 total 50.02 last 137.00)
 - closed 8532 (time 1773737934.58 total 60.03 last 164.69)
total: 8797 close in 62.38 seconds: 141.02 close/second
 - unlinked 0 (time 1773737942 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f8797) error: No such file or directory
total: 8797 unlinks in 105 seconds: 83.780952 unlinks/second