== sanity test 51f: check many open files limit ========== 00:50:42 (1715575842)
MDT0 numfree=496381, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3966 (time 1715575854.10 total 10.00 last 396.51)
 - open/keep 7770 (time 1715575864.10 total 20.00 last 380.31)
 - open/keep 10000 (time 1715575869.95 total 25.86 last 380.96)
 - open/keep 13961 (time 1715575879.95 total 35.86 last 396.03)
 - open/keep 17798 (time 1715575889.95 total 45.86 last 383.65)
 - open/keep 20000 (time 1715575895.57 total 51.48 last 392.13)
 - open/keep 23830 (time 1715575905.57 total 61.48 last 382.91)
 - open/keep 28623 (time 1715575915.57 total 71.48 last 479.23)
 - open/keep 30000 (time 1715575918.29 total 74.20 last 506.20)
 - open/keep 35311 (time 1715575928.30 total 84.20 last 531.02)
 - open/keep 39298 (time 1715575938.30 total 94.20 last 398.62)
 - open/keep 43144 (time 1715575948.30 total 104.20 last 384.59)
 - open/keep 47082 (time 1715575958.30 total 114.21 last 393.75)
total: 49291 open/keep in 120.00 seconds: 410.75 ops/second
 - closed 5237 (time 1715575974.10 total 10.00 last -4184.31)
 - closed 10000 (time 1715575983.05 total 18.96 last 531.73)
 - closed 15972 (time 1715575993.05 total 28.96 last 597.16)
 - closed 20000 (time 1715576000.87 total 36.77 last 515.56)
 - closed 25226 (time 1715576010.87 total 46.77 last 522.50)
 - closed 30000 (time 1715576019.91 total 55.82 last 527.83)
 - closed 35325 (time 1715576029.91 total 65.82 last 532.46)
 - closed 40000 (time 1715576038.94 total 74.85 last 517.88)
 - closed 45237 (time 1715576048.94 total 84.85 last 523.61)
total: 49291 close in 92.82 seconds: 531.02 close/second
 - unlinked 0 (time 1715576058 ; total 0 ; last 0)
 - unlinked 10000 (time 1715576079 ; total 21 ; last 21)
 - unlinked 20000 (time 1715576101 ; total 43 ; last 22)
 - unlinked 30000 (time 1715576121 ; total 63 ; last 20)
 - unlinked 40000 (time 1715576141 ; total 83 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f49291) error: No such file or directory
total: 49291 unlinks in 102 seconds: 483.245087 unlinks/second