== sanity test 51f: check many open files limit ========== 13:24:06 (1750181046)
MDT0 numfree=487314, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2550 (time 1750181057.59 total 10.00 last 254.95)
 - open/keep 4924 (time 1750181067.59 total 20.01 last 237.31)
 - open/keep 7379 (time 1750181077.60 total 30.01 last 245.44)
 - open/keep 9743 (time 1750181087.60 total 40.01 last 236.38)
 - open/keep 11938 (time 1750181097.60 total 50.01 last 219.41)
 - open/keep 14393 (time 1750181107.60 total 60.01 last 245.47)
 - open/keep 16858 (time 1750181117.60 total 70.01 last 246.49)
 - open/keep 19343 (time 1750181127.61 total 80.02 last 248.29)
 - open/keep 20000 (time 1750181129.94 total 82.36 last 281.51)
 - open/keep 22550 (time 1750181139.95 total 92.36 last 254.97)
 - open/keep 24939 (time 1750181149.95 total 102.36 last 238.75)
 - open/keep 27038 (time 1750181159.95 total 112.37 last 209.85)
total: 28602 open/keep in 120.00 seconds: 238.35 ops/second
 - closed 3829 (time 1750181177.59 total 10.00 last -2320.81)
 - closed 7428 (time 1750181187.59 total 20.00 last 359.90)
 - closed 10000 (time 1750181194.75 total 27.16 last 359.34)
 - closed 13602 (time 1750181204.75 total 37.16 last 360.18)
 - closed 17228 (time 1750181214.75 total 47.16 last 362.56)
 - closed 20000 (time 1750181222.40 total 54.82 last 362.08)
 - closed 23653 (time 1750181232.41 total 64.82 last 365.25)
 - closed 27216 (time 1750181242.41 total 74.82 last 356.25)
total: 28602 close in 78.74 seconds: 363.24 close/second
 - unlinked 0 (time 1750181248 ; total 0 ; last 0)
 - unlinked 10000 (time 1750181294 ; total 46 ; last 46)
 - unlinked 20000 (time 1750181340 ; total 92 ; last 46)
unlink(/mnt/lustre/d51f.sanity/f28602) error: No such file or directory
total: 28602 unlinks in 129 seconds: 221.720932 unlinks/second