== sanity test 51f: check many open files limit ========== 05:20:44 (1715332844)
MDT0 numfree=491271, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2495 (time 1715332856.54 total 10.00 last 249.42)
 - open/keep 5608 (time 1715332866.54 total 20.01 last 311.21)
 - open/keep 8402 (time 1715332876.54 total 30.01 last 279.38)
 - open/keep 10000 (time 1715332881.93 total 35.39 last 296.66)
 - open/keep 13091 (time 1715332891.93 total 45.40 last 309.03)
 - open/keep 16333 (time 1715332901.93 total 55.40 last 324.15)
 - open/keep 20000 (time 1715332911.51 total 64.98 last 382.72)
 - open/keep 22991 (time 1715332921.51 total 74.98 last 299.09)
 - open/keep 25743 (time 1715332931.51 total 84.98 last 275.17)
 - open/keep 28721 (time 1715332941.52 total 94.98 last 297.72)
 - open/keep 30000 (time 1715332946.06 total 99.53 last 281.36)
 - open/keep 32730 (time 1715332956.06 total 109.53 last 272.99)
 - open/keep 35533 (time 1715332966.06 total 119.53 last 280.28)
total: 35685 open/keep in 120.00 seconds: 297.37 ops/second
 - closed 5445 (time 1715332976.54 total 10.00 last -3008.62)
 - closed 10000 (time 1715332984.37 total 17.83 last 581.73)
 - closed 14868 (time 1715332994.37 total 27.83 last 486.69)
 - closed 20000 (time 1715333003.79 total 37.25 last 544.97)
 - closed 25140 (time 1715333013.79 total 47.25 last 513.99)
 - closed 30000 (time 1715333023.36 total 56.83 last 507.50)
 - closed 35275 (time 1715333033.36 total 66.83 last 527.49)
total: 35685 close in 67.78 seconds: 526.50 close/second
 - unlinked 0 (time 1715333035 ; total 0 ; last 0)
 - unlinked 10000 (time 1715333064 ; total 29 ; last 29)
 - unlinked 20000 (time 1715333088 ; total 53 ; last 24)
 - unlinked 30000 (time 1715333114 ; total 79 ; last 26)
unlink(/mnt/lustre/d51f.sanity/f35685) error: No such file or directory
total: 35685 unlinks in 91 seconds: 392.142853 unlinks/second