== sanity test 51f: check many open files limit ========== 03:14:57 (1713078897)
MDT0 numfree=491405, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5904 (time 1713078908.45 total 10.00 last 590.29)
 - open/keep 9894 (time 1713078918.45 total 20.00 last 399.00)
 - open/keep 13982 (time 1713078928.46 total 30.00 last 408.71)
 - open/keep 18713 (time 1713078938.46 total 40.00 last 473.08)
 - open/keep 20000 (time 1713078941.77 total 43.32 last 387.77)
 - open/keep 25262 (time 1713078951.78 total 53.33 last 526.07)
 - open/keep 29171 (time 1713078961.78 total 63.33 last 390.89)
 - open/keep 30000 (time 1713078963.91 total 65.46 last 388.77)
 - open/keep 33874 (time 1713078973.91 total 75.46 last 387.33)
 - open/keep 37813 (time 1713078983.91 total 85.46 last 393.83)
 - open/keep 40000 (time 1713078989.26 total 90.81 last 409.03)
 - open/keep 44048 (time 1713078999.26 total 100.81 last 404.72)
 - open/keep 48022 (time 1713079009.26 total 110.81 last 397.38)
 - open/keep 50000 (time 1713079014.23 total 115.78 last 397.86)
total: 51625 open/keep in 120.00 seconds: 430.20 ops/second
 - closed 5806 (time 1713079028.45 total 10.00 last -4419.36)
 - closed 10000 (time 1713079032.62 total 14.17 last 1006.34)
 - closed 16916 (time 1713079042.62 total 24.17 last 691.59)
 - closed 20000 (time 1713079048.02 total 29.57 last 571.12)
 - closed 26195 (time 1713079058.02 total 39.57 last 619.44)
 - closed 30000 (time 1713079063.25 total 44.80 last 727.21)
 - closed 37897 (time 1713079073.25 total 54.80 last 789.67)
 - closed 40000 (time 1713079076.57 total 58.12 last 634.07)
 - closed 45778 (time 1713079086.57 total 68.12 last 577.75)
 - closed 50000 (time 1713079093.78 total 75.33 last 585.65)
total: 51625 close in 78.24 seconds: 659.81 close/second
 - unlinked 0 (time 1713079097 ; total 0 ; last 0)
 - unlinked 10000 (time 1713079118 ; total 21 ; last 21)
 - unlinked 20000 (time 1713079138 ; total 41 ; last 20)
 - unlinked 30000 (time 1713079158 ; total 61 ; last 20)
 - unlinked 40000 (time 1713079179 ; total 82 ; last 21)
 - unlinked 50000 (time 1713079199 ; total 102 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f51625) error: No such file or directory
total: 51625 unlinks in 105 seconds: 491.666656 unlinks/second