== sanity test 51f: check many open files limit ========== 23:31:40 (1789443100)
MDT0 numfree=536055, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1027 (time 1789443114.51 total 10.00 last 102.69)
 - open/keep 2078 (time 1789443124.52 total 20.00 last 105.07)
 - open/keep 3118 (time 1789443134.52 total 30.01 last 103.99)
 - open/keep 4159 (time 1789443144.53 total 40.02 last 103.96)
 - open/keep 5258 (time 1789443154.53 total 50.02 last 109.89)
 - open/keep 6413 (time 1789443164.54 total 60.03 last 115.43)
 - open/keep 7597 (time 1789443174.54 total 70.03 last 118.35)
 - open/keep 8664 (time 1789443184.55 total 80.04 last 106.63)
 - open/keep 9746 (time 1789443194.56 total 90.04 last 108.14)
 - open/keep 10000 (time 1789443196.88 total 92.37 last 109.15)
 - open/keep 11018 (time 1789443206.89 total 102.37 last 101.74)
 - open/keep 11898 (time 1789443216.89 total 112.38 last 87.95)
total: 12726 open/keep in 120.00 seconds: 106.05 ops/second
 - closed 1821 (time 1789443234.52 total 10.00 last -1007.66)
 - closed 3859 (time 1789443244.52 total 20.00 last 203.74)
 - closed 5618 (time 1789443254.53 total 30.01 last 175.74)
 - closed 7466 (time 1789443264.53 total 40.01 last 184.80)
 - closed 9060 (time 1789443274.54 total 50.02 last 159.28)
 - closed 10000 (time 1789443281.11 total 56.59 last 142.99)
 - closed 11920 (time 1789443291.11 total 66.60 last 191.96)
total: 12726 close in 70.97 seconds: 179.33 close/second
 - unlinked 0 (time 1789443299 ; total 0 ; last 0)
 - unlinked 10000 (time 1789443382 ; total 83 ; last 83)
unlink(/mnt/lustre/d51f.sanity/f12726) error: No such file or directory
total: 12726 unlinks in 106 seconds: 120.056602 unlinks/second