== sanity test 51f: check many open files limit ========== 18:14:56 (1780524896)
striped dir -i1 -c1 -H crush  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=     549463, max=100000
changed ulimit from 1024 to 100100
 - open/keep 3250 (time 1780524907.77 total 10.00 last 324.99)
 - open/keep 6794 (time 1780524917.78 total 20.00 last 354.36)
 - open/keep 10000 (time 1780524926.39 total 28.62 last 372.19)
 - open/keep 13813 (time 1780524936.39 total 38.62 last 381.21)
 - open/keep 17712 (time 1780524946.39 total 48.62 last 389.89)
 - open/keep 20000 (time 1780524951.98 total 54.21 last 409.32)
 - open/keep 23968 (time 1780524961.98 total 64.21 last 396.76)
 - open/keep 27757 (time 1780524971.98 total 74.21 last 378.83)
 - open/keep 30000 (time 1780524977.35 total 79.58 last 417.88)
 - open/keep 33771 (time 1780524987.35 total 89.58 last 377.10)
 - open/keep 38317 (time 1780524997.35 total 99.58 last 454.55)
 - open/keep 40000 (time 1780525000.75 total 102.98 last 495.26)
 - open/keep 44224 (time 1780525010.75 total 112.98 last 422.39)
total: 46952 open/keep in 120.00 seconds: 391.26 ops/second
 - closed 9105 (time 1780525027.78 total 10.00 last -3511.73)
 - closed 10000 (time 1780525028.64 total 10.87 last 1031.03)
 - closed 17997 (time 1780525038.64 total 20.87 last 799.63)
 - closed 20000 (time 1780525040.79 total 23.01 last 934.72)
 - closed 28064 (time 1780525050.79 total 33.01 last 806.35)
 - closed 30000 (time 1780525053.36 total 35.59 last 752.39)
 - closed 38812 (time 1780525063.36 total 45.59 last 881.12)
 - closed 40000 (time 1780525064.86 total 47.08 last 793.44)
total: 46952 close in 55.88 seconds: 840.26 close/second
 - unlinked 0 (time 1780525077 ; total 0 ; last 0)
 - unlinked 10000 (time 1780525101 ; total 24 ; last 24)
 - unlinked 20000 (time 1780525121 ; total 44 ; last 20)
 - unlinked 30000 (time 1780525139 ; total 62 ; last 18)
 - unlinked 40000 (time 1780525159 ; total 82 ; last 20)
unlink(/mnt/lustre/d51f.sanity/f46952) error: No such file or directory
total: 46952 unlinks in 95 seconds: 494.231567 unlinks/second