== sanity test 51f: check many open files limit ========== 11:20:52 (1775834452)
MDT0 numfree=     540663 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 6590 (time 1775834464.28 total 10.00 last 658.99)
 - open/keep 10000 (time 1775834469.70 total 15.42 last 629.12)
 - open/keep 16505 (time 1775834479.70 total 25.42 last 650.48)
 - open/keep 20000 (time 1775834484.81 total 30.54 last 683.36)
 - open/keep 26135 (time 1775834494.81 total 40.54 last 613.46)
 - open/keep 30000 (time 1775834500.78 total 46.51 last 647.36)
 - open/keep 36711 (time 1775834510.78 total 56.51 last 671.06)
 - open/keep 40000 (time 1775834515.84 total 61.57 last 650.19)
 - open/keep 46315 (time 1775834525.84 total 71.57 last 631.44)
 - open/keep 50000 (time 1775834531.75 total 77.47 last 623.79)
 - open/keep 56324 (time 1775834541.75 total 87.47 last 632.34)
 - open/keep 60000 (time 1775834547.44 total 93.16 last 646.00)
 - open/keep 66150 (time 1775834557.44 total 103.17 last 614.98)
 - open/keep 70000 (time 1775834563.87 total 109.59 last 598.93)
 - open/keep 76465 (time 1775834573.87 total 119.59 last 646.48)
total: 76743 open/keep in 120.00 seconds: 639.52 ops/second
 - closed 10000 (time 1775834583.22 total 8.94 last -7431.73)
 - closed 20000 (time 1775834592.01 total 17.73 last 1137.50)
 - closed 30000 (time 1775834600.71 total 26.43 last 1149.77)
 - closed 40000 (time 1775834609.29 total 35.01 last 1165.84)
 - closed 50000 (time 1775834617.87 total 43.59 last 1165.40)
 - closed 60000 (time 1775834626.57 total 52.29 last 1149.31)
 - closed 70000 (time 1775834635.20 total 60.92 last 1158.38)
total: 76743 close in 66.69 seconds: 1150.83 close/second
 - unlinked 0 (time 1775834642 ; total 0 ; last 0)
 - unlinked 10000 (time 1775834658 ; total 16 ; last 16)
 - unlinked 20000 (time 1775834674 ; total 32 ; last 16)
 - unlinked 30000 (time 1775834690 ; total 48 ; last 16)
 - unlinked 40000 (time 1775834706 ; total 64 ; last 16)
 - unlinked 50000 (time 1775834721 ; total 79 ; last 15)
 - unlinked 60000 (time 1775834737 ; total 95 ; last 16)
 - unlinked 70000 (time 1775834754 ; total 112 ; last 17)
unlink(/mnt/lustre/d51f.sanity/f76743) error: No such file or directory
total: 76743 unlinks in 124 seconds: 618.895142 unlinks/second