== sanity test 51f: check many open files limit ========== 22:53:20 (1775876000)
MDT0 numfree=     533902 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2107 (time 1775876012.12 total 10.00 last 210.63)
 - open/keep 4151 (time 1775876022.12 total 20.01 last 204.35)
 - open/keep 6371 (time 1775876032.12 total 30.01 last 221.99)
 - open/keep 8616 (time 1775876042.12 total 40.01 last 224.43)
 - open/keep 10000 (time 1775876048.63 total 46.52 last 212.58)
 - open/keep 12068 (time 1775876058.63 total 56.52 last 206.76)
 - open/keep 14397 (time 1775876068.64 total 66.53 last 232.81)
 - open/keep 16714 (time 1775876078.64 total 76.53 last 231.69)
 - open/keep 19007 (time 1775876088.64 total 86.53 last 229.25)
 - open/keep 20000 (time 1775876093.65 total 91.54 last 198.16)
 - open/keep 22298 (time 1775876103.66 total 101.54 last 229.69)
 - open/keep 24628 (time 1775876113.66 total 111.55 last 232.93)
total: 26501 open/keep in 120.00 seconds: 220.84 ops/second
 - closed 3238 (time 1775876132.12 total 10.01 last -2137.65)
 - closed 7260 (time 1775876142.12 total 20.01 last 402.11)
 - closed 10000 (time 1775876149.40 total 27.29 last 376.14)
 - closed 14426 (time 1775876159.41 total 37.29 last 442.53)
 - closed 19048 (time 1775876169.41 total 47.30 last 462.13)
 - closed 20000 (time 1775876171.86 total 49.75 last 388.25)
 - closed 23615 (time 1775876181.86 total 59.75 last 361.48)
total: 26501 close in 67.43 seconds: 392.99 close/second
 - unlinked 0 (time 1775876191 ; total 0 ; last 0)
 - unlinked 10000 (time 1775876230 ; total 39 ; last 39)
 - unlinked 20000 (time 1775876255 ; total 64 ; last 25)
unlink(/mnt/lustre/d51f.sanity/f26501) error: No such file or directory
total: 26501 unlinks in 79 seconds: 335.455688 unlinks/second