== sanity test 51f: check many open files limit ========== 21:30:25 (1708828225)
MDT0 numfree=493288, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5518 (time 1708828236.79 total 10.00 last 551.73)
 - open/keep 9241 (time 1708828246.79 total 20.00 last 372.29)
 - open/keep 10000 (time 1708828249.18 total 22.40 last 316.68)
 - open/keep 12935 (time 1708828259.19 total 32.40 last 293.42)
 - open/keep 15446 (time 1708828269.19 total 42.40 last 251.07)
 - open/keep 17470 (time 1708828279.19 total 52.41 last 202.28)
 - open/keep 19387 (time 1708828289.20 total 62.41 last 191.62)
 - open/keep 20000 (time 1708828292.43 total 65.65 last 189.35)
 - open/keep 21638 (time 1708828302.44 total 75.65 last 163.76)
 - open/keep 23322 (time 1708828312.44 total 85.66 last 168.34)
 - open/keep 24651 (time 1708828322.44 total 95.66 last 132.85)
 - open/keep 26111 (time 1708828332.45 total 105.67 last 145.91)
 - open/keep 27436 (time 1708828342.45 total 115.67 last 132.47)
total: 28010 open/keep in 120.01 seconds: 233.41 ops/second
 - closed 10000 (time 1708828355.73 total 8.93 last -1951.51)
 - closed 18350 (time 1708828365.73 total 18.94 last 834.93)
 - closed 20000 (time 1708828368.01 total 21.22 last 721.88)
 - closed 27018 (time 1708828378.01 total 31.22 last 701.71)
total: 28010 close in 32.77 seconds: 854.85 close/second
 - unlinked 0 (time 1708828380 ; total 0 ; last 0)
 - unlinked 10000 (time 1708828447 ; total 67 ; last 67)
 - unlinked 20000 (time 1708828485 ; total 105 ; last 38)
unlink(/mnt/lustre/d51f.sanity/f28010) error: No such file or directory
total: 28010 unlinks in 119 seconds: 235.378159 unlinks/second