== sanity test 51f: check many open files limit ========== 23:51:12 (1746157872)
MDT0 numfree=488418, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2720 (time 1746157883.90 total 10.00 last 271.94)
 - open/keep 5174 (time 1746157893.91 total 20.01 last 245.27)
 - open/keep 7301 (time 1746157903.91 total 30.01 last 212.69)
 - open/keep 9770 (time 1746157913.91 total 40.01 last 246.73)
 - open/keep 11987 (time 1746157923.91 total 50.02 last 221.67)
 - open/keep 14534 (time 1746157933.92 total 60.02 last 254.51)
 - open/keep 16510 (time 1746157943.92 total 70.02 last 197.60)
 - open/keep 18716 (time 1746157953.92 total 80.03 last 220.57)
 - open/keep 20000 (time 1746157960.69 total 86.79 last 189.85)
 - open/keep 22016 (time 1746157970.69 total 96.79 last 201.56)
 - open/keep 24080 (time 1746157980.69 total 106.79 last 206.38)
 - open/keep 26085 (time 1746157990.69 total 116.80 last 200.40)
total: 26727 open/keep in 120.00 seconds: 222.72 ops/second
 - closed 3319 (time 1746158003.90 total 10.00 last -2276.12)
 - closed 7355 (time 1746158013.91 total 20.00 last 403.49)
 - closed 10000 (time 1746158020.30 total 26.39 last 413.97)
 - closed 14363 (time 1746158030.30 total 36.40 last 436.26)
 - closed 18227 (time 1746158040.30 total 46.40 last 386.38)
 - closed 20000 (time 1746158044.49 total 50.59 last 423.03)
 - closed 23867 (time 1746158054.49 total 60.59 last 386.70)
total: 26727 close in 68.36 seconds: 390.96 close/second
 - unlinked 0 (time 1746158063 ; total 0 ; last 0)
 - unlinked 10000 (time 1746158111 ; total 48 ; last 48)
 - unlinked 20000 (time 1746158146 ; total 83 ; last 35)
unlink(/mnt/lustre/d51f.sanity/f26727) error: No such file or directory
total: 26727 unlinks in 111 seconds: 240.783783 unlinks/second