== sanity test 51f: check many open files limit ========== 01:44:01 (1786945441)
MDT0 numfree=     528892, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1785 (time 1786945453.77 total 10.00 last 178.48)
 - open/keep 3513 (time 1786945463.77 total 20.00 last 172.78)
 - open/keep 5403 (time 1786945473.78 total 30.01 last 188.86)
 - open/keep 7530 (time 1786945483.78 total 40.01 last 212.62)
 - open/keep 9588 (time 1786945493.78 total 50.02 last 205.73)
 - open/keep 11587 (time 1786945503.79 total 60.02 last 199.82)
 - open/keep 13771 (time 1786945513.79 total 70.02 last 218.38)
 - open/keep 15553 (time 1786945523.79 total 80.02 last 178.14)
 - open/keep 17320 (time 1786945533.80 total 90.03 last 176.59)
 - open/keep 19035 (time 1786945543.81 total 100.04 last 171.38)
 - open/keep 20000 (time 1786945549.17 total 105.40 last 179.90)
 - open/keep 21814 (time 1786945559.17 total 115.40 last 181.37)
total: 22726 open/keep in 120.00 seconds: 189.38 ops/second
 - closed 3367 (time 1786945573.77 total 10.00 last -1844.55)
 - closed 6733 (time 1786945583.77 total 20.00 last 336.51)
 - closed 9929 (time 1786945593.78 total 30.00 last 319.56)
 - closed 10000 (time 1786945594.04 total 30.27 last 265.58)
 - closed 13082 (time 1786945604.05 total 40.27 last 308.13)
 - closed 16533 (time 1786945614.05 total 50.28 last 345.06)
 - closed 19963 (time 1786945624.05 total 60.28 last 342.95)
 - closed 20000 (time 1786945624.14 total 60.37 last 418.32)
total: 22726 close in 69.65 seconds: 326.28 close/second
 - unlinked 0 (time 1786945638 ; total 0 ; last 0)
 - unlinked 10000 (time 1786945730 ; total 92 ; last 92)
 - unlinked 20000 (time 1786945806 ; total 168 ; last 76)
unlink(/mnt/lustre/d51f.sanity/f22726) error: No such file or directory
total: 22726 unlinks in 187 seconds: 121.529411 unlinks/second