== sanity test 51f: check many open files limit ========== 23:11:38 (1718853098)
MDT0 numfree=494499, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4367 (time 1718853109.95 total 10.00 last 436.69)
 - open/keep 8732 (time 1718853119.95 total 20.00 last 436.49)
 - open/keep 15300 (time 1718853129.95 total 30.00 last 656.70)
 - open/keep 20000 (time 1718853138.33 total 38.38 last 560.83)
 - open/keep 25676 (time 1718853148.33 total 48.38 last 567.54)
 - open/keep 30000 (time 1718853154.79 total 54.84 last 669.86)
 - open/keep 36188 (time 1718853164.79 total 64.84 last 618.72)
 - open/keep 40000 (time 1718853170.53 total 70.58 last 664.56)
 - open/keep 47541 (time 1718853180.53 total 80.58 last 754.03)
 - open/keep 50000 (time 1718853184.18 total 84.23 last 673.17)
 - open/keep 56416 (time 1718853194.18 total 94.23 last 641.57)
 - open/keep 60000 (time 1718853200.25 total 100.30 last 590.32)
 - open/keep 65526 (time 1718853210.25 total 110.30 last 552.53)
total: 69396 open/keep in 120.00 seconds: 578.30 ops/second
 - closed 5909 (time 1718853229.95 total 10.00 last -5961.68)
 - closed 10000 (time 1718853236.63 total 16.68 last 612.64)
 - closed 15826 (time 1718853246.63 total 26.68 last 582.57)
 - closed 20000 (time 1718853252.98 total 33.03 last 657.62)
 - closed 26224 (time 1718853262.98 total 43.03 last 622.38)
 - closed 30000 (time 1718853269.21 total 49.26 last 605.49)
 - closed 40000 (time 1718853277.57 total 57.62 last 1196.95)
 - closed 50000 (time 1718853286.83 total 66.88 last 1079.57)
 - closed 60000 (time 1718853294.79 total 74.84 last 1256.85)
total: 69396 close in 82.41 seconds: 842.07 close/second
 - unlinked 0 (time 1718853303 ; total 0 ; last 0)
 - unlinked 10000 (time 1718853315 ; total 12 ; last 12)
 - unlinked 20000 (time 1718853326 ; total 23 ; last 11)
 - unlinked 30000 (time 1718853337 ; total 34 ; last 11)
 - unlinked 40000 (time 1718853348 ; total 45 ; last 11)
 - unlinked 50000 (time 1718853360 ; total 57 ; last 12)
 - unlinked 60000 (time 1718853372 ; total 69 ; last 12)
unlink(/mnt/lustre/d51f.sanity/f69396) error: No such file or directory
total: 69396 unlinks in 81 seconds: 856.740723 unlinks/second