== sanity test 51f: check many open files limit ========== 01:59:59 (1734677999)
MDT0 numfree=487477, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1595 (time 1734678011.97 total 10.00 last 159.47)
 - open/keep 3180 (time 1734678021.97 total 20.01 last 158.41)
 - open/keep 4713 (time 1734678031.97 total 30.01 last 153.28)
 - open/keep 6179 (time 1734678041.97 total 40.01 last 146.58)
 - open/keep 7615 (time 1734678051.99 total 50.03 last 143.36)
 - open/keep 8984 (time 1734678061.99 total 60.03 last 136.90)
 - open/keep 10000 (time 1734678068.38 total 66.41 last 159.06)
 - open/keep 11653 (time 1734678078.38 total 76.42 last 165.27)
 - open/keep 13172 (time 1734678088.38 total 86.42 last 151.87)
 - open/keep 14524 (time 1734678098.39 total 96.42 last 135.14)
 - open/keep 15973 (time 1734678108.39 total 106.43 last 144.84)
 - open/keep 17383 (time 1734678118.39 total 116.43 last 140.97)
total: 17888 open/keep in 120.00 seconds: 149.06 ops/second
 - closed 2632 (time 1734678131.97 total 10.01 last -1474.06)
 - closed 5599 (time 1734678141.98 total 20.01 last 296.62)
 - closed 7644 (time 1734678151.98 total 30.01 last 204.40)
 - closed 9934 (time 1734678161.98 total 40.02 last 228.98)
 - closed 10000 (time 1734678162.22 total 40.26 last 272.05)
 - closed 12333 (time 1734678172.22 total 50.26 last 233.29)
 - closed 14711 (time 1734678182.23 total 60.26 last 237.74)
 - closed 17709 (time 1734678192.23 total 70.26 last 299.75)
total: 17888 close in 71.00 seconds: 251.95 close/second
 - unlinked 0 (time 1734678195 ; total 0 ; last 0)
 - unlinked 10000 (time 1734678248 ; total 53 ; last 53)
unlink(/mnt/lustre/d51f.sanity/f17888) error: No such file or directory
total: 17888 unlinks in 96 seconds: 186.333328 unlinks/second