== sanity test 51f: check many open files limit ========== 13:22:34 (1772907754)
MDT0 numfree=     492856 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 6938 (time 1772907765.95 total 10.00 last 693.80)
 - open/keep 10000 (time 1772907770.11 total 14.16 last 735.58)
 - open/keep 17280 (time 1772907780.11 total 24.16 last 727.98)
 - open/keep 20000 (time 1772907783.94 total 27.99 last 709.91)
 - open/keep 26519 (time 1772907793.94 total 38.00 last 651.77)
 - open/keep 30000 (time 1772907799.51 total 43.57 last 624.84)
 - open/keep 36802 (time 1772907809.51 total 53.57 last 680.14)
 - open/keep 40000 (time 1772907814.02 total 58.07 last 710.06)
 - open/keep 46830 (time 1772907824.02 total 68.07 last 682.98)
 - open/keep 50000 (time 1772907828.57 total 72.63 last 696.27)
 - open/keep 56882 (time 1772907838.57 total 82.63 last 688.17)
 - open/keep 60000 (time 1772907843.21 total 87.26 last 672.51)
 - open/keep 66665 (time 1772907853.21 total 97.26 last 666.48)
 - open/keep 70000 (time 1772907858.18 total 102.24 last 670.19)
 - open/keep 77009 (time 1772907868.18 total 112.24 last 700.90)
 - open/keep 80000 (time 1772907872.39 total 116.45 last 710.53)
total: 82521 open/keep in 120.00 seconds: 687.67 ops/second
 - closed 10000 (time 1772907884.58 total 8.64 last -8106.13)
 - closed 20000 (time 1772907893.12 total 17.18 last 1170.95)
 - closed 30000 (time 1772907901.83 total 25.88 last 1148.41)
 - closed 40000 (time 1772907910.59 total 34.64 last 1142.12)
 - closed 50000 (time 1772907919.59 total 43.64 last 1110.59)
 - closed 60000 (time 1772907928.44 total 52.49 last 1129.88)
 - closed 70000 (time 1772907937.41 total 61.46 last 1115.22)
 - closed 80000 (time 1772907946.18 total 70.23 last 1139.87)
total: 82521 close in 72.41 seconds: 1139.69 close/second
 - unlinked 0 (time 1772907949 ; total 0 ; last 0)
 - unlinked 10000 (time 1772907975 ; total 26 ; last 26)
 - unlinked 20000 (time 1772908000 ; total 51 ; last 25)
 - unlinked 30000 (time 1772908019 ; total 70 ; last 19)
 - unlinked 40000 (time 1772908033 ; total 84 ; last 14)
 - unlinked 50000 (time 1772908048 ; total 99 ; last 15)
 - unlinked 60000 (time 1772908063 ; total 114 ; last 15)
 - unlinked 70000 (time 1772908078 ; total 129 ; last 15)
 - unlinked 80000 (time 1772908092 ; total 143 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f82521) error: No such file or directory
total: 82521 unlinks in 146 seconds: 565.212341 unlinks/second