== sanity test 51f: check many open files limit ========== 13:46:43 (1761241603)
MDT0 numfree=     487583 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1461 (time 1761241616.79 total 10.00 last 146.05)
 - open/keep 2789 (time 1761241626.79 total 20.00 last 132.79)
 - open/keep 4275 (time 1761241636.80 total 30.01 last 148.50)
 - open/keep 5580 (time 1761241646.80 total 40.01 last 130.48)
 - open/keep 6951 (time 1761241656.80 total 50.01 last 137.09)
 - open/keep 8330 (time 1761241666.80 total 60.02 last 137.87)
 - open/keep 9704 (time 1761241676.80 total 70.02 last 137.39)
 - open/keep 10000 (time 1761241679.08 total 72.29 last 130.14)
 - open/keep 11428 (time 1761241689.08 total 82.29 last 142.77)
 - open/keep 12895 (time 1761241699.09 total 92.30 last 146.59)
 - open/keep 14244 (time 1761241709.09 total 102.30 last 134.89)
 - open/keep 15569 (time 1761241719.10 total 112.31 last 132.42)
total: 16671 open/keep in 120.00 seconds: 138.92 ops/second
 - closed 2419 (time 1761241736.79 total 10.00 last -1314.87)
 - closed 4676 (time 1761241746.79 total 20.00 last 225.67)
 - closed 6732 (time 1761241756.79 total 30.00 last 205.60)
 - closed 8844 (time 1761241766.80 total 40.01 last 211.09)
 - closed 10000 (time 1761241772.31 total 45.52 last 209.77)
 - closed 12131 (time 1761241782.31 total 55.52 last 213.04)
 - closed 14412 (time 1761241792.32 total 65.53 last 227.91)
total: 16671 close in 75.20 seconds: 221.69 close/second
 - unlinked 0 (time 1761241805 ; total 0 ; last 0)
 - unlinked 10000 (time 1761241877 ; total 72 ; last 72)
unlink(/mnt/lustre/d51f.sanity/f16671) error: No such file or directory
total: 16671 unlinks in 122 seconds: 136.647537 unlinks/second