== sanity test 51f: check many open files limit ========== 20:06:51 (1746144411)
MDT0 numfree=491242, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2135 (time 1746144424.04 total 10.00 last 213.49)
 - open/keep 4630 (time 1746144434.04 total 20.00 last 249.43)
 - open/keep 6973 (time 1746144444.04 total 30.01 last 234.23)
 - open/keep 9946 (time 1746144454.05 total 40.01 last 297.12)
 - open/keep 12075 (time 1746144464.05 total 50.01 last 212.89)
 - open/keep 15194 (time 1746144474.05 total 60.01 last 311.88)
 - open/keep 17209 (time 1746144484.06 total 70.02 last 201.36)
 - open/keep 19369 (time 1746144494.06 total 80.02 last 215.96)
 - open/keep 20000 (time 1746144496.70 total 82.66 last 239.42)
 - open/keep 22071 (time 1746144506.70 total 92.66 last 207.02)
 - open/keep 24210 (time 1746144516.70 total 102.66 last 213.88)
 - open/keep 26634 (time 1746144526.71 total 112.67 last 242.28)
total: 28266 open/keep in 120.00 seconds: 235.55 ops/second
 - closed 3695 (time 1746144544.04 total 10.00 last -2293.27)
 - closed 7350 (time 1746144554.05 total 20.00 last 365.43)
 - closed 10000 (time 1746144561.80 total 27.75 last 341.93)
 - closed 13948 (time 1746144571.80 total 37.76 last 394.77)
 - closed 18390 (time 1746144581.80 total 47.76 last 444.15)
 - closed 20000 (time 1746144585.14 total 51.09 last 482.33)
 - closed 24082 (time 1746144595.14 total 61.10 last 407.91)
 - closed 27768 (time 1746144605.14 total 71.10 last 368.51)
total: 28266 close in 72.24 seconds: 391.28 close/second
 - unlinked 0 (time 1746144607 ; total 0 ; last 0)
 - unlinked 10000 (time 1746144651 ; total 44 ; last 44)
 - unlinked 20000 (time 1746144692 ; total 85 ; last 41)
unlink(/mnt/lustre/d51f.sanity/f28266) error: No such file or directory
total: 28266 unlinks in 117 seconds: 241.589737 unlinks/second