== sanity test 51f: check many open files limit ========== 00:24:21 (1746073461)
MDT0 numfree=497832, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2111 (time 1746073473.64 total 10.00 last 211.04)
 - open/keep 4298 (time 1746073483.64 total 20.01 last 218.64)
 - open/keep 6416 (time 1746073493.65 total 30.01 last 211.78)
 - open/keep 8610 (time 1746073503.65 total 40.01 last 219.34)
 - open/keep 10000 (time 1746073509.43 total 45.79 last 240.39)
 - open/keep 12265 (time 1746073519.43 total 55.79 last 226.45)
 - open/keep 14735 (time 1746073529.43 total 65.80 last 246.96)
 - open/keep 16903 (time 1746073539.44 total 75.80 last 216.67)
 - open/keep 18928 (time 1746073549.44 total 85.81 last 202.42)
 - open/keep 20000 (time 1746073555.45 total 91.81 last 178.47)
 - open/keep 22091 (time 1746073565.45 total 101.81 last 209.06)
 - open/keep 24097 (time 1746073575.46 total 111.82 last 200.51)
total: 25758 open/keep in 120.00 seconds: 214.65 ops/second
 - closed 3515 (time 1746073593.64 total 10.00 last -2057.97)
 - closed 7227 (time 1746073603.64 total 20.00 last 371.18)
 - closed 10000 (time 1746073610.35 total 26.71 last 413.28)
 - closed 13813 (time 1746073620.36 total 36.72 last 381.02)
 - closed 17918 (time 1746073630.36 total 46.72 last 410.46)
 - closed 20000 (time 1746073635.60 total 51.96 last 397.54)
 - closed 24069 (time 1746073645.60 total 61.96 last 406.85)
total: 25758 close in 66.87 seconds: 385.18 close/second
 - unlinked 0 (time 1746073652 ; total 0 ; last 0)
 - unlinked 10000 (time 1746073703 ; total 51 ; last 51)
 - unlinked 20000 (time 1746073751 ; total 99 ; last 48)
unlink(/mnt/lustre/d51f.sanity/f25758) error: No such file or directory
total: 25758 unlinks in 125 seconds: 206.063995 unlinks/second