== sanity test 51f: check many open files limit ========== 20:42:16 (1763084536)
MDT0 numfree=     487746 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 2675 (time 1763084548.21 total 10.00 last 267.45)
 - open/keep 5272 (time 1763084558.21 total 20.00 last 259.66)
 - open/keep 8359 (time 1763084568.21 total 30.00 last 308.67)
 - open/keep 10000 (time 1763084571.82 total 33.61 last 455.22)
 - open/keep 15072 (time 1763084581.82 total 43.61 last 507.13)
 - open/keep 20000 (time 1763084590.62 total 52.41 last 560.12)
 - open/keep 26221 (time 1763084600.62 total 62.41 last 622.08)
 - open/keep 30000 (time 1763084608.98 total 70.77 last 452.19)
 - open/keep 34656 (time 1763084618.98 total 80.77 last 465.59)
 - open/keep 38653 (time 1763084628.98 total 90.77 last 399.63)
 - open/keep 40000 (time 1763084632.01 total 93.80 last 444.07)
 - open/keep 43665 (time 1763084642.01 total 103.80 last 366.48)
 - open/keep 47217 (time 1763084652.01 total 113.80 last 355.16)
 - open/keep 50000 (time 1763084657.72 total 119.51 last 487.84)
total: 50248 open/keep in 120.00 seconds: 418.73 ops/second
 - closed 6233 (time 1763084668.21 total 10.00 last -4376.28)
 - closed 10000 (time 1763084674.23 total 16.02 last 625.73)
 - closed 18266 (time 1763084684.23 total 26.02 last 826.50)
 - closed 20000 (time 1763084686.44 total 28.23 last 786.39)
 - closed 26564 (time 1763084696.44 total 38.23 last 656.34)
 - closed 30000 (time 1763084700.55 total 42.34 last 834.88)
 - closed 39145 (time 1763084710.56 total 52.34 last 914.42)
 - closed 40000 (time 1763084711.64 total 53.43 last 784.66)
 - closed 49008 (time 1763084721.65 total 63.43 last 900.76)
 - closed 50000 (time 1763084722.47 total 64.26 last 1196.28)
total: 50248 close in 64.50 seconds: 779.08 close/second
 - unlinked 0 (time 1763084724 ; total 0 ; last 0)
 - unlinked 10000 (time 1763084739 ; total 15 ; last 15)
 - unlinked 20000 (time 1763084756 ; total 32 ; last 17)
 - unlinked 30000 (time 1763084779 ; total 55 ; last 23)
 - unlinked 40000 (time 1763084801 ; total 77 ; last 22)
 - unlinked 50000 (time 1763084823 ; total 99 ; last 22)
unlink(/mnt/lustre/d51f.sanity/f50248) error: No such file or directory
total: 50248 unlinks in 100 seconds: 502.480011 unlinks/second