== sanity test 51f: check many open files limit ========== 22:13:16 (1772680396)
MDT0 numfree=     492991 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 6953 (time 1772680408.16 total 10.00 last 695.24)
 - open/keep 10000 (time 1772680413.44 total 15.28 last 577.48)
 - open/keep 17277 (time 1772680423.44 total 25.28 last 727.60)
 - open/keep 20000 (time 1772680427.75 total 29.58 last 632.73)
 - open/keep 26897 (time 1772680437.75 total 39.58 last 689.70)
 - open/keep 30000 (time 1772680441.70 total 43.54 last 784.38)
 - open/keep 37382 (time 1772680451.70 total 53.54 last 738.20)
 - open/keep 40000 (time 1772680455.66 total 57.49 last 661.73)
 - open/keep 47232 (time 1772680465.66 total 67.49 last 723.20)
 - open/keep 50000 (time 1772680469.64 total 71.47 last 695.79)
 - open/keep 56707 (time 1772680479.64 total 81.47 last 670.70)
 - open/keep 60000 (time 1772680484.58 total 86.42 last 665.76)
 - open/keep 66697 (time 1772680494.58 total 96.42 last 669.65)
 - open/keep 70000 (time 1772680498.68 total 100.52 last 806.25)
 - open/keep 76544 (time 1772680508.68 total 110.52 last 654.36)
 - open/keep 80000 (time 1772680513.46 total 115.30 last 723.15)
total: 83173 open/keep in 120.00 seconds: 693.11 ops/second
 - closed 10000 (time 1772680527.36 total 9.20 last -7610.71)
 - closed 20000 (time 1772680535.77 total 17.61 last 1189.22)
 - closed 30000 (time 1772680544.44 total 26.27 last 1153.73)
 - closed 40000 (time 1772680552.22 total 34.06 last 1284.80)
 - closed 50000 (time 1772680560.93 total 42.77 last 1147.75)
 - closed 60000 (time 1772680569.26 total 51.10 last 1201.00)
 - closed 70000 (time 1772680577.93 total 59.77 last 1152.97)
 - closed 80000 (time 1772680586.02 total 67.85 last 1237.17)
total: 83173 close in 70.42 seconds: 1181.11 close/second
 - unlinked 0 (time 1772680589 ; total 0 ; last 0)
 - unlinked 10000 (time 1772680610 ; total 21 ; last 21)
 - unlinked 20000 (time 1772680631 ; total 42 ; last 21)
 - unlinked 30000 (time 1772680645 ; total 56 ; last 14)
 - unlinked 40000 (time 1772680657 ; total 68 ; last 12)
 - unlinked 50000 (time 1772680668 ; total 79 ; last 11)
 - unlinked 60000 (time 1772680681 ; total 92 ; last 13)
 - unlinked 70000 (time 1772680692 ; total 103 ; last 11)
 - unlinked 80000 (time 1772680704 ; total 115 ; last 12)
unlink(/mnt/lustre/d51f.sanity/f83173) error: No such file or directory
total: 83173 unlinks in 118 seconds: 704.855957 unlinks/second