== sanity test 51f: check many open files limit ========== 23:11:05 (1784085065)
MDT0 numfree=     536086, max=100000
changed ulimit from 1024 to 100020
 - open/keep 3134 (time 1784085077.61 total 10.00 last 313.38)
 - open/keep 6515 (time 1784085087.61 total 20.00 last 338.06)
 - open/keep 10000 (time 1784085095.62 total 28.01 last 435.21)
 - open/keep 14115 (time 1784085105.62 total 38.01 last 411.48)
 - open/keep 18319 (time 1784085115.62 total 48.01 last 420.33)
 - open/keep 20000 (time 1784085119.78 total 52.17 last 404.49)
 - open/keep 23661 (time 1784085129.78 total 62.17 last 366.03)
 - open/keep 28049 (time 1784085139.78 total 72.17 last 438.74)
 - open/keep 30000 (time 1784085144.45 total 76.83 last 418.31)
 - open/keep 34208 (time 1784085154.45 total 86.84 last 420.77)
 - open/keep 38293 (time 1784085164.45 total 96.84 last 408.44)
 - open/keep 40000 (time 1784085168.42 total 100.81 last 429.53)
 - open/keep 43785 (time 1784085178.43 total 110.81 last 378.41)
total: 47577 open/keep in 120.00 seconds: 396.47 ops/second
 - closed 8070 (time 1784085197.61 total 10.00 last -3571.17)
 - closed 10000 (time 1784085199.94 total 12.33 last 829.97)
 - closed 18159 (time 1784085209.94 total 22.33 last 815.87)
 - closed 20000 (time 1784085212.60 total 24.98 last 693.29)
 - closed 28624 (time 1784085222.60 total 34.98 last 862.36)
 - closed 30000 (time 1784085224.29 total 36.67 last 813.19)
 - closed 38048 (time 1784085234.29 total 46.68 last 804.72)
 - closed 40000 (time 1784085237.86 total 50.25 last 545.90)
 - closed 47197 (time 1784085247.86 total 60.25 last 719.68)
total: 47577 close in 60.80 seconds: 782.47 close/second
 - unlinked 0 (time 1784085249 ; total 0 ; last 0)
 - unlinked 10000 (time 1784085276 ; total 27 ; last 27)
 - unlinked 20000 (time 1784085306 ; total 57 ; last 30)
 - unlinked 30000 (time 1784085329 ; total 80 ; last 23)
 - unlinked 40000 (time 1784085356 ; total 107 ; last 27)
unlink(/mnt/lustre/d51f.sanity/f47577) error: No such file or directory
total: 47577 unlinks in 127 seconds: 374.622040 unlinks/second