== sanity test 51f: check many open files limit ========== 21:09:04 (1782868144)
MDT0 numfree=     538778, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4312 (time 1782868156.23 total 10.00 last 431.06)
 - open/keep 8654 (time 1782868166.24 total 20.00 last 434.18)
 - open/keep 10000 (time 1782868169.59 total 23.36 last 401.43)
 - open/keep 14714 (time 1782868179.59 total 33.36 last 471.36)
 - open/keep 20000 (time 1782868189.25 total 43.02 last 547.24)
 - open/keep 23704 (time 1782868199.25 total 53.02 last 370.36)
 - open/keep 27960 (time 1782868209.25 total 63.02 last 425.47)
 - open/keep 30000 (time 1782868213.24 total 67.01 last 511.01)
 - open/keep 34234 (time 1782868223.24 total 77.01 last 423.38)
 - open/keep 38935 (time 1782868233.25 total 87.01 last 470.08)
 - open/keep 43924 (time 1782868243.25 total 97.01 last 498.86)
 - open/keep 47757 (time 1782868253.25 total 107.02 last 383.21)
 - open/keep 50000 (time 1782868258.67 total 112.43 last 414.06)
total: 53925 open/keep in 120.00 seconds: 449.37 ops/second
 - closed 6457 (time 1782868276.23 total 10.00 last -4353.97)
 - closed 10000 (time 1782868281.95 total 15.72 last 619.73)
 - closed 16167 (time 1782868291.95 total 25.72 last 616.62)
 - closed 20000 (time 1782868297.55 total 31.32 last 684.64)
 - closed 27987 (time 1782868307.55 total 41.32 last 798.66)
 - closed 30000 (time 1782868309.67 total 43.44 last 947.46)
 - closed 37526 (time 1782868319.67 total 53.44 last 752.56)
 - closed 40000 (time 1782868322.90 total 56.67 last 767.06)
 - closed 45573 (time 1782868332.90 total 66.67 last 557.29)
 - closed 50000 (time 1782868339.18 total 72.95 last 704.72)
total: 53925 close in 78.95 seconds: 683.03 close/second
 - unlinked 0 (time 1782868346 ; total 0 ; last 0)
 - unlinked 10000 (time 1782868366 ; total 20 ; last 20)
 - unlinked 20000 (time 1782868389 ; total 43 ; last 23)
 - unlinked 30000 (time 1782868408 ; total 62 ; last 19)
 - unlinked 40000 (time 1782868430 ; total 84 ; last 22)
 - unlinked 50000 (time 1782868451 ; total 105 ; last 21)
unlink(/mnt/lustre/d51f.sanity/f53925) error: No such file or directory
total: 53925 unlinks in 114 seconds: 473.026306 unlinks/second