== sanity test 51f: check many open files limit ========== 04:06:18 (1780387578)
MDT0 numfree=     531045, max=100000
changed ulimit from 1024 to 100020
 - open/keep 7370 (time 1780387590.15 total 10.00 last 736.97)
 - open/keep 10000 (time 1780387593.98 total 13.83 last 687.29)
 - open/keep 17785 (time 1780387603.98 total 23.83 last 778.47)
 - open/keep 20000 (time 1780387607.16 total 27.00 last 697.70)
 - open/keep 26650 (time 1780387617.16 total 37.00 last 664.98)
 - open/keep 30000 (time 1780387622.37 total 42.22 last 641.99)
 - open/keep 36296 (time 1780387632.37 total 52.22 last 629.57)
 - open/keep 40000 (time 1780387639.07 total 58.92 last 553.02)
 - open/keep 45629 (time 1780387649.07 total 68.92 last 562.88)
 - open/keep 50000 (time 1780387657.01 total 76.86 last 550.55)
 - open/keep 56223 (time 1780387667.01 total 86.86 last 622.27)
 - open/keep 60000 (time 1780387672.71 total 92.56 last 663.04)
 - open/keep 65531 (time 1780387682.71 total 102.56 last 553.09)
 - open/keep 70000 (time 1780387691.71 total 111.56 last 496.42)
total: 75800 open/keep in 120.00 seconds: 631.66 ops/second
 - closed 10000 (time 1780387708.11 total 7.96 last -7541.83)
 - closed 20000 (time 1780387716.58 total 16.42 last 1181.08)
 - closed 30000 (time 1780387724.73 total 24.57 last 1227.07)
 - closed 40000 (time 1780387732.74 total 32.59 last 1247.71)
 - closed 50000 (time 1780387741.13 total 40.97 last 1192.59)
 - closed 60000 (time 1780387749.54 total 49.38 last 1188.75)
 - closed 70000 (time 1780387757.21 total 57.06 last 1303.01)
total: 75800 close in 61.41 seconds: 1234.35 close/second
 - unlinked 0 (time 1780387762 ; total 0 ; last 0)
 - unlinked 10000 (time 1780387776 ; total 14 ; last 14)
 - unlinked 20000 (time 1780387789 ; total 27 ; last 13)
 - unlinked 30000 (time 1780387803 ; total 41 ; last 14)
 - unlinked 40000 (time 1780387817 ; total 55 ; last 14)
 - unlinked 50000 (time 1780387832 ; total 70 ; last 15)
 - unlinked 60000 (time 1780387846 ; total 84 ; last 14)
 - unlinked 70000 (time 1780387860 ; total 98 ; last 14)
unlink(/mnt/lustre/d51f.sanity/f75800) error: No such file or directory
total: 75800 unlinks in 106 seconds: 715.094360 unlinks/second