== sanity test 51f: check many open files limit ========== 12:52:49 (1709056369)
MDT0 numfree=490195, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2354 (time 1709056381.36 total 10.00 last 235.37)
 - open/keep 3916 (time 1709056391.37 total 20.01 last 156.13)
 - open/keep 5636 (time 1709056401.37 total 30.01 last 171.93)
 - open/keep 7128 (time 1709056411.37 total 40.01 last 149.13)
 - open/keep 7940 (time 1709056428.40 total 57.04 last 47.68)
 - open/keep 9315 (time 1709056438.41 total 67.05 last 137.44)
 - open/keep 10000 (time 1709056444.10 total 72.74 last 120.40)
 - open/keep 10999 (time 1709056454.11 total 82.75 last 99.81)
 - open/keep 12051 (time 1709056464.11 total 92.75 last 105.17)
 - open/keep 13215 (time 1709056474.11 total 102.75 last 116.37)
 - open/keep 14258 (time 1709056484.12 total 112.76 last 104.24)
total: 14944 open/keep in 120.01 seconds: 124.52 ops/second
 - closed 3643 (time 1709056501.37 total 10.00 last -1061.24)
 - closed 6662 (time 1709056511.37 total 20.01 last 301.82)
 - closed 9819 (time 1709056521.38 total 30.01 last 315.63)
 - closed 10000 (time 1709056521.95 total 30.58 last 313.73)
 - closed 12655 (time 1709056531.95 total 40.58 last 265.48)
total: 14944 close in 50.15 seconds: 297.96 close/second
 - unlinked 0 (time 1709056543 ; total 0 ; last 0)
 - unlinked 10000 (time 1709056636 ; total 93 ; last 93)
unlink(/mnt/lustre/d51f.sanity/f14944) error: No such file or directory
total: 14944 unlinks in 118 seconds: 126.644066 unlinks/second