== sanity test 51f: check many open files limit ========== 17:44:00 (1773611040)
MDT0 numfree=     486614 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 831 (time 1773611057.60 total 10.01 last 83.02)
 - open/keep 1610 (time 1773611067.60 total 20.01 last 77.88)
 - open/keep 2407 (time 1773611077.61 total 30.02 last 79.65)
 - open/keep 3242 (time 1773611087.61 total 40.03 last 83.44)
 - open/keep 4100 (time 1773611097.62 total 50.03 last 85.77)
 - open/keep 4876 (time 1773611107.65 total 60.07 last 77.32)
 - open/keep 5780 (time 1773611117.66 total 70.07 last 90.34)
 - open/keep 6606 (time 1773611127.67 total 80.08 last 82.52)
 - open/keep 7362 (time 1773611137.68 total 90.09 last 75.56)
 - open/keep 8192 (time 1773611147.69 total 100.10 last 82.91)
 - open/keep 8993 (time 1773611157.69 total 110.10 last 80.10)
total: 9746 open/keep in 120.00 seconds: 81.22 ops/second
 - closed 1187 (time 1773611177.59 total 10.00 last -780.51)
 - closed 2468 (time 1773611187.60 total 20.01 last 128.01)
 - closed 3778 (time 1773611197.60 total 30.01 last 130.97)
 - closed 5174 (time 1773611207.60 total 40.01 last 139.60)
 - closed 6200 (time 1773611217.61 total 50.02 last 102.49)
 - closed 7403 (time 1773611227.61 total 60.02 last 120.27)
 - closed 8501 (time 1773611237.61 total 70.02 last 109.78)
total: 9746 close in 79.48 seconds: 122.62 close/second
 - unlinked 0 (time 1773611254 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9746) error: No such file or directory
total: 9746 unlinks in 117 seconds: 83.299149 unlinks/second