== sanity test 51f: check many open files limit ========== 12:58:11 (1721408291)
MDT0 numfree=498188, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1588 (time 1721408305.04 total 10.00 last 158.77)
 - open/keep 3466 (time 1721408315.05 total 20.01 last 187.73)
 - open/keep 5464 (time 1721408325.05 total 30.01 last 199.74)
 - open/keep 7258 (time 1721408335.05 total 40.01 last 179.34)
 - open/keep 8911 (time 1721408345.06 total 50.02 last 165.23)
 - open/keep 10000 (time 1721408350.55 total 55.51 last 198.33)
 - open/keep 12100 (time 1721408360.55 total 65.51 last 209.96)
 - open/keep 14206 (time 1721408370.56 total 75.51 last 210.51)
 - open/keep 16188 (time 1721408380.57 total 85.53 last 197.95)
 - open/keep 18287 (time 1721408390.57 total 95.53 last 209.78)
 - open/keep 20000 (time 1721408398.75 total 103.71 last 209.40)
 - open/keep 22640 (time 1721408408.76 total 113.71 last 263.96)
total: 24560 open/keep in 120.00 seconds: 204.66 ops/second
 - closed 5452 (time 1721408425.04 total 10.00 last -1718.72)
 - closed 10000 (time 1721408433.52 total 18.47 last 536.87)
 - closed 19060 (time 1721408443.52 total 28.47 last 905.97)
 - closed 20000 (time 1721408444.20 total 29.15 last 1377.36)
total: 24560 close in 32.58 seconds: 753.82 close/second
 - unlinked 0 (time 1721408448 ; total 0 ; last 0)
 - unlinked 10000 (time 1721408461 ; total 13 ; last 13)
 - unlinked 20000 (time 1721408489 ; total 41 ; last 28)
unlink(/mnt/lustre/d51f.sanity/f24560) error: No such file or directory
total: 24560 unlinks in 62 seconds: 396.129028 unlinks/second