== sanity test 51f: check many open files limit ========== 03:38:30 (1711093110)
MDT0 numfree=493989, max=100000
changed ulimit from 1024 to 100020
 - open/keep 6132 (time 1711093121.14 total 10.00 last 613.11)
 - open/keep 10000 (time 1711093130.85 total 19.71 last 398.44)
 - open/keep 12553 (time 1711093140.85 total 29.71 last 255.27)
 - open/keep 15248 (time 1711093150.85 total 39.71 last 269.45)
 - open/keep 17690 (time 1711093160.85 total 49.71 last 244.15)
 - open/keep 19765 (time 1711093170.86 total 59.72 last 207.41)
 - open/keep 21498 (time 1711093180.86 total 69.72 last 173.22)
 - open/keep 23235 (time 1711093190.86 total 79.73 last 173.65)
 - open/keep 24660 (time 1711093200.86 total 89.73 last 142.50)
 - open/keep 26082 (time 1711093210.87 total 99.73 last 142.12)
 - open/keep 27508 (time 1711093220.87 total 109.73 last 142.57)
 - open/keep 28703 (time 1711093230.87 total 119.74 last 119.48)
total: 28736 open/keep in 120.00 seconds: 239.46 ops/second
 - closed 10000 (time 1711093240.40 total 9.26 last -2020.47)
 - closed 19196 (time 1711093250.40 total 19.26 last 919.60)
 - closed 20000 (time 1711093251.35 total 20.20 last 848.60)
 - closed 27648 (time 1711093261.35 total 30.20 last 764.75)
total: 28736 close in 32.14 seconds: 894.17 close/second
 - unlinked 0 (time 1711093264 ; total 0 ; last 0)
 - unlinked 10000 (time 1711093336 ; total 72 ; last 72)
 - unlinked 20000 (time 1711093377 ; total 113 ; last 41)
unlink(/mnt/lustre/d51f.sanity/f28736) error: No such file or directory
total: 28736 unlinks in 130 seconds: 221.046158 unlinks/second