== sanity test 51f: check many open files limit ========== 20:44:03 (1746146643)
MDT0 numfree=495949, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1829 (time 1746146655.62 total 10.00 last 182.88)
 - open/keep 3699 (time 1746146665.63 total 20.01 last 186.83)
 - open/keep 5719 (time 1746146675.63 total 30.01 last 201.98)
 - open/keep 7610 (time 1746146685.64 total 40.02 last 188.91)
 - open/keep 9454 (time 1746146695.65 total 50.02 last 184.35)
 - open/keep 10000 (time 1746146698.63 total 53.01 last 182.83)
 - open/keep 11987 (time 1746146708.63 total 63.01 last 198.68)
 - open/keep 13767 (time 1746146718.64 total 73.02 last 177.83)
 - open/keep 15713 (time 1746146728.64 total 83.02 last 194.59)
 - open/keep 18071 (time 1746146738.65 total 93.03 last 235.70)
 - open/keep 20000 (time 1746146747.30 total 101.68 last 222.94)
 - open/keep 21994 (time 1746146757.30 total 111.68 last 199.34)
total: 23625 open/keep in 120.00 seconds: 196.87 ops/second
 - closed 3204 (time 1746146775.63 total 10.00 last -1878.52)
 - closed 6673 (time 1746146785.63 total 20.00 last 346.86)
 - closed 10000 (time 1746146795.51 total 29.88 last 336.78)
 - closed 13355 (time 1746146805.51 total 39.88 last 335.45)
 - closed 16490 (time 1746146815.51 total 49.89 last 313.46)
 - closed 19661 (time 1746146825.51 total 59.89 last 317.09)
 - closed 20000 (time 1746146826.31 total 60.69 last 421.26)
 - closed 23062 (time 1746146836.31 total 70.69 last 306.18)
total: 23625 close in 72.30 seconds: 326.77 close/second
 - unlinked 0 (time 1746146839 ; total 0 ; last 0)
 - unlinked 10000 (time 1746146882 ; total 43 ; last 43)
 - unlinked 20000 (time 1746146927 ; total 88 ; last 45)
unlink(/mnt/lustre/d51f.sanity/f23625) error: No such file or directory
total: 23625 unlinks in 106 seconds: 222.877365 unlinks/second