== sanity test 51f: check many open files limit ========== 18:11:08 (1780524668)
ulimit_old=1024 numfree=    1023724, max=100000
changed ulimit from 1024 to 100100
 - open/keep 4295 (time 1780524679.79 total 10.00 last 429.43)
 - open/keep 8552 (time 1780524689.80 total 20.00 last 425.62)
 - open/keep 10000 (time 1780524693.04 total 23.25 last 446.24)
 - open/keep 14046 (time 1780524703.04 total 33.25 last 404.56)
 - open/keep 18225 (time 1780524713.04 total 43.25 last 417.88)
 - open/keep 20000 (time 1780524717.45 total 47.66 last 402.48)
 - open/keep 24002 (time 1780524727.45 total 57.66 last 400.18)
 - open/keep 28064 (time 1780524737.46 total 67.66 last 406.13)
 - open/keep 30000 (time 1780524741.93 total 72.14 last 432.41)
 - open/keep 34688 (time 1780524751.93 total 82.14 last 468.74)
 - open/keep 39738 (time 1780524761.93 total 92.14 last 504.99)
 - open/keep 44612 (time 1780524771.93 total 102.14 last 487.39)
 - open/keep 49038 (time 1780524781.93 total 112.14 last 442.57)
 - open/keep 50000 (time 1780524784.07 total 114.28 last 449.99)
total: 52602 open/keep in 120.00 seconds: 438.35 ops/second
 - closed 8105 (time 1780524799.80 total 10.00 last -4188.99)
 - closed 10000 (time 1780524802.14 total 12.35 last 807.39)
 - closed 18296 (time 1780524812.14 total 22.35 last 829.55)
 - closed 20000 (time 1780524814.32 total 24.52 last 783.67)
 - closed 28813 (time 1780524824.32 total 34.52 last 881.21)
 - closed 30000 (time 1780524825.84 total 36.04 last 782.45)
 - closed 38406 (time 1780524835.84 total 46.04 last 840.56)
 - closed 40000 (time 1780524837.87 total 48.07 last 784.48)
 - closed 46963 (time 1780524847.87 total 58.07 last 696.28)
 - closed 50000 (time 1780524852.02 total 62.22 last 731.99)
total: 52602 close in 65.79 seconds: 799.60 close/second
 - unlinked 0 (time 1780524859 ; total 0 ; last 0)
 - unlinked 10000 (time 1780524879 ; total 20 ; last 20)
 - unlinked 20000 (time 1780524899 ; total 40 ; last 20)
 - unlinked 30000 (time 1780524918 ; total 59 ; last 19)
 - unlinked 40000 (time 1780524936 ; total 77 ; last 18)
 - unlinked 50000 (time 1780524952 ; total 93 ; last 16)
unlink(/mnt/lustre/d51f.sanity/f52602) error: No such file or directory
total: 52602 unlinks in 98 seconds: 536.755127 unlinks/second