== sanity test 51f: check many open files limit ========== 18:12:26 (1780524746)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d51f.sanity
ulimit_old=1024 numfree=    1023565, max=100000
changed ulimit from 1024 to 100100
 - open/keep 5325 (time 1780524758.28 total 10.00 last 532.44)
 - open/keep 10000 (time 1780524767.89 total 19.61 last 486.44)
 - open/keep 14524 (time 1780524777.89 total 29.61 last 452.36)
 - open/keep 19142 (time 1780524787.89 total 39.61 last 461.70)
 - open/keep 23795 (time 1780524797.89 total 49.62 last 465.28)
 - open/keep 28948 (time 1780524807.90 total 59.62 last 515.26)
 - open/keep 30000 (time 1780524810.24 total 61.96 last 447.89)
 - open/keep 35062 (time 1780524820.25 total 71.97 last 506.03)
 - open/keep 40000 (time 1780524829.99 total 81.71 last 506.87)
 - open/keep 44376 (time 1780524839.99 total 91.71 last 437.54)
 - open/keep 48445 (time 1780524849.99 total 101.71 last 406.88)
 - open/keep 50000 (time 1780524853.57 total 105.29 last 434.04)
 - open/keep 54278 (time 1780524863.57 total 115.30 last 427.78)
total: 56388 open/keep in 120.00 seconds: 469.90 ops/second
 - closed 7307 (time 1780524878.28 total 10.00 last -4696.90)
 - closed 10000 (time 1780524882.13 total 13.85 last 700.07)
 - closed 17690 (time 1780524892.13 total 23.85 last 768.84)
 - closed 20000 (time 1780524895.27 total 26.99 last 734.69)
 - closed 28137 (time 1780524905.27 total 36.99 last 813.67)
 - closed 30000 (time 1780524907.42 total 39.14 last 869.43)
 - closed 38864 (time 1780524917.42 total 49.14 last 886.36)
 - closed 40000 (time 1780524918.74 total 50.46 last 860.46)
 - closed 49061 (time 1780524928.74 total 60.46 last 906.04)
 - closed 50000 (time 1780524929.83 total 61.55 last 862.54)
total: 56388 close in 69.30 seconds: 813.63 close/second
 - unlinked 0 (time 1780524941 ; total 0 ; last 0)
 - unlinked 10000 (time 1780524958 ; total 17 ; last 17)
 - unlinked 20000 (time 1780524975 ; total 34 ; last 17)
 - unlinked 30000 (time 1780524991 ; total 50 ; last 16)
 - unlinked 40000 (time 1780525005 ; total 64 ; last 14)
 - unlinked 50000 (time 1780525020 ; total 79 ; last 15)
unlink(/mnt/lustre/d51f.sanity/f56388) error: No such file or directory
total: 56388 unlinks in 87 seconds: 648.137939 unlinks/second