== sanity test 51f: check many open files limit ========== 15:00:34 (1773687634)
MDT0 numfree=     495142 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 6530 (time 1773687645.98 total 10.00 last 652.93)
 - open/keep 10000 (time 1773687650.99 total 15.02 last 691.66)
 - open/keep 16445 (time 1773687660.99 total 25.02 last 644.46)
 - open/keep 20000 (time 1773687666.42 total 30.45 last 654.86)
 - open/keep 26538 (time 1773687676.42 total 40.45 last 653.76)
 - open/keep 30000 (time 1773687681.02 total 45.04 last 753.49)
 - open/keep 36869 (time 1773687691.02 total 55.04 last 686.83)
 - open/keep 40000 (time 1773687695.78 total 59.81 last 657.10)
 - open/keep 46856 (time 1773687705.78 total 69.81 last 685.53)
 - open/keep 50000 (time 1773687711.06 total 75.08 last 595.97)
 - open/keep 56712 (time 1773687721.06 total 85.09 last 671.13)
 - open/keep 60000 (time 1773687725.32 total 89.34 last 772.80)
 - open/keep 67465 (time 1773687735.32 total 99.34 last 746.47)
 - open/keep 70000 (time 1773687738.95 total 102.98 last 696.66)
 - open/keep 77573 (time 1773687748.95 total 112.98 last 757.29)
 - open/keep 80000 (time 1773687752.21 total 116.23 last 746.23)
total: 82883 open/keep in 120.00 seconds: 690.69 ops/second
 - closed 10000 (time 1773687764.35 total 8.37 last -8362.96)
 - closed 20000 (time 1773687772.48 total 16.51 last 1228.64)
 - closed 30000 (time 1773687780.19 total 24.22 last 1297.65)
 - closed 40000 (time 1773687788.08 total 32.11 last 1267.25)
 - closed 50000 (time 1773687796.30 total 40.33 last 1216.19)
 - closed 60000 (time 1773687804.11 total 48.14 last 1280.40)
 - closed 70000 (time 1773687812.17 total 56.20 last 1241.21)
 - closed 80000 (time 1773687821.73 total 65.76 last 1045.84)
total: 82883 close in 69.02 seconds: 1200.92 close/second
 - unlinked 0 (time 1773687826 ; total 0 ; last 0)
 - unlinked 10000 (time 1773687852 ; total 26 ; last 26)
 - unlinked 20000 (time 1773687876 ; total 50 ; last 24)
 - unlinked 30000 (time 1773687892 ; total 66 ; last 16)
 - unlinked 40000 (time 1773687905 ; total 79 ; last 13)
 - unlinked 50000 (time 1773687919 ; total 93 ; last 14)
 - unlinked 60000 (time 1773687932 ; total 106 ; last 13)
 - unlinked 70000 (time 1773687948 ; total 122 ; last 16)
 - unlinked 80000 (time 1773687962 ; total 136 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f82883) error: No such file or directory
total: 82883 unlinks in 140 seconds: 592.021423 unlinks/second