== sanity test 51f: check many open files limit ========== 06:13:31 (1762168411)
MDT0 numfree=     495142 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 4192 (time 1762168423.02 total 10.00 last 419.14)
 - open/keep 8386 (time 1762168433.03 total 20.00 last 419.36)
 - open/keep 10000 (time 1762168436.87 total 23.85 last 419.65)
 - open/keep 14522 (time 1762168446.87 total 33.85 last 452.18)
 - open/keep 19311 (time 1762168456.87 total 43.85 last 478.83)
 - open/keep 23422 (time 1762168466.87 total 53.85 last 411.04)
 - open/keep 29154 (time 1762168476.87 total 63.85 last 573.19)
 - open/keep 33615 (time 1762168486.88 total 73.85 last 446.05)
 - open/keep 37710 (time 1762168496.88 total 83.86 last 409.41)
 - open/keep 40000 (time 1762168502.94 total 89.92 last 377.54)
 - open/keep 45224 (time 1762168512.94 total 99.92 last 522.36)
 - open/keep 50000 (time 1762168521.51 total 108.49 last 557.43)
 - open/keep 56157 (time 1762168531.51 total 118.49 last 615.62)
total: 56736 open/keep in 120.00 seconds: 472.80 ops/second
 - closed 7764 (time 1762168543.02 total 10.00 last -4838.83)
 - closed 10000 (time 1762168545.78 total 12.75 last 812.62)
 - closed 18903 (time 1762168555.78 total 22.75 last 890.29)
 - closed 20000 (time 1762168556.94 total 23.92 last 942.53)
 - closed 30000 (time 1762168566.21 total 33.19 last 1078.78)
 - closed 40000 (time 1762168575.45 total 42.43 last 1082.33)
 - closed 49002 (time 1762168585.45 total 52.43 last 900.20)
 - closed 50000 (time 1762168586.58 total 53.55 last 884.77)
total: 56736 close in 60.79 seconds: 933.31 close/second
 - unlinked 0 (time 1762168595 ; total 0 ; last 0)
 - unlinked 10000 (time 1762168610 ; total 15 ; last 15)
 - unlinked 20000 (time 1762168625 ; total 30 ; last 15)
 - unlinked 30000 (time 1762168641 ; total 46 ; last 16)
 - unlinked 40000 (time 1762168658 ; total 63 ; last 17)
 - unlinked 50000 (time 1762168676 ; total 81 ; last 18)
unlink(/mnt/lustre/d51f.sanity/f56736) error: No such file or directory
total: 56736 unlinks in 92 seconds: 616.695679 unlinks/second