== sanity test 51f: check many open files limit ========== 12:40:57 (1713285657)
MDT0 numfree=495305, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3865 (time 1713285669.44 total 10.00 last 386.48)
 - open/keep 7961 (time 1713285679.44 total 20.00 last 409.52)
 - open/keep 10000 (time 1713285684.33 total 24.89 last 417.18)
 - open/keep 14288 (time 1713285694.33 total 34.89 last 428.74)
 - open/keep 18305 (time 1713285704.33 total 44.89 last 401.68)
 - open/keep 20000 (time 1713285708.59 total 49.15 last 398.27)
 - open/keep 23813 (time 1713285718.59 total 59.15 last 381.22)
 - open/keep 27708 (time 1713285728.59 total 69.15 last 389.42)
 - open/keep 30000 (time 1713285734.63 total 75.19 last 379.53)
 - open/keep 33747 (time 1713285744.63 total 85.19 last 374.62)
 - open/keep 37516 (time 1713285754.64 total 95.19 last 376.84)
 - open/keep 40000 (time 1713285761.21 total 101.77 last 378.05)
 - open/keep 43854 (time 1713285771.21 total 111.77 last 385.35)
total: 47386 open/keep in 120.00 seconds: 394.88 ops/second
 - closed 5099 (time 1713285789.44 total 10.00 last -3875.35)
 - closed 10000 (time 1713285798.09 total 18.64 last 567.04)
 - closed 15339 (time 1713285808.09 total 28.64 last 533.82)
 - closed 20000 (time 1713285816.99 total 37.55 last 523.68)
 - closed 25186 (time 1713285826.99 total 47.55 last 518.60)
 - closed 30000 (time 1713285836.29 total 56.85 last 517.46)
 - closed 35298 (time 1713285846.29 total 66.85 last 529.73)
 - closed 40000 (time 1713285855.22 total 75.78 last 526.72)
 - closed 45258 (time 1713285865.22 total 85.78 last 525.71)
total: 47386 close in 89.91 seconds: 527.04 close/second
 - unlinked 0 (time 1713285870 ; total 0 ; last 0)
 - unlinked 10000 (time 1713285892 ; total 22 ; last 22)
 - unlinked 20000 (time 1713285914 ; total 44 ; last 22)
 - unlinked 30000 (time 1713285935 ; total 65 ; last 21)
 - unlinked 40000 (time 1713285955 ; total 85 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f47386) error: No such file or directory
total: 47386 unlinks in 100 seconds: 473.859985 unlinks/second