== sanity test 51f: check many open files limit ========== 10:15:23 (1766416523)
MDT0 numfree=     496727 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2479 (time 1766416535.10 total 10.00 last 247.78)
 - open/keep 4677 (time 1766416545.10 total 20.01 last 219.77)
 - open/keep 7096 (time 1766416555.10 total 30.01 last 241.89)
 - open/keep 9749 (time 1766416565.11 total 40.01 last 265.22)
 - open/keep 12473 (time 1766416575.11 total 50.01 last 272.39)
 - open/keep 15067 (time 1766416585.11 total 60.02 last 259.26)
 - open/keep 18426 (time 1766416595.11 total 70.02 last 335.90)
 - open/keep 20000 (time 1766416600.35 total 75.26 last 300.35)
 - open/keep 22798 (time 1766416610.36 total 85.26 last 279.71)
 - open/keep 25588 (time 1766416620.36 total 95.27 last 278.78)
 - open/keep 28526 (time 1766416630.37 total 105.27 last 293.78)
 - open/keep 30000 (time 1766416635.36 total 110.26 last 295.19)
total: 32588 open/keep in 120.00 seconds: 271.56 ops/second
 - closed 4716 (time 1766416655.10 total 10.00 last -2528.22)
 - closed 9342 (time 1766416665.10 total 20.00 last 462.57)
 - closed 10000 (time 1766416666.21 total 21.11 last 593.83)
 - closed 14388 (time 1766416676.21 total 31.11 last 438.74)
 - closed 18119 (time 1766416686.22 total 41.12 last 372.85)
 - closed 20000 (time 1766416691.30 total 46.20 last 369.99)
 - closed 24329 (time 1766416701.30 total 56.20 last 432.88)
 - closed 28849 (time 1766416711.30 total 66.20 last 452.00)
 - closed 30000 (time 1766416714.05 total 68.95 last 418.23)
total: 32588 close in 74.91 seconds: 435.05 close/second
 - unlinked 0 (time 1766416721 ; total 0 ; last 0)
 - unlinked 10000 (time 1766416749 ; total 28 ; last 28)
 - unlinked 20000 (time 1766416777 ; total 56 ; last 28)
 - unlinked 30000 (time 1766416800 ; total 79 ; last 23)
unlink(/mnt/lustre/d51f.sanity/f32588) error: No such file or directory
total: 32588 unlinks in 84 seconds: 387.952393 unlinks/second