== sanity test 51f: check many open files limit ========== 05:10:15 (1780996215)
MDT0 numfree=     529430, max=100000
changed ulimit from 1024 to 100020
 - open/keep 986 (time 1780996231.89 total 10.04 last 98.18)
 - open/keep 2090 (time 1780996241.90 total 20.05 last 110.33)
 - open/keep 3141 (time 1780996251.90 total 30.05 last 105.10)
 - open/keep 4216 (time 1780996261.91 total 40.06 last 107.42)
 - open/keep 5369 (time 1780996271.92 total 50.07 last 115.16)
 - open/keep 6611 (time 1780996281.92 total 60.07 last 124.15)
 - open/keep 7655 (time 1780996291.93 total 70.07 last 104.38)
 - open/keep 8744 (time 1780996301.93 total 80.08 last 108.82)
 - open/keep 9941 (time 1780996311.95 total 90.10 last 119.43)
 - open/keep 11095 (time 1780996321.96 total 100.11 last 115.38)
 - open/keep 12244 (time 1780996331.98 total 110.13 last 114.60)
total: 13452 open/keep in 120.00 seconds: 112.10 ops/second
 - closed 2016 (time 1780996351.86 total 10.01 last -1022.00)
 - closed 4308 (time 1780996361.87 total 20.01 last 229.14)
 - closed 6377 (time 1780996371.87 total 30.01 last 206.89)
 - closed 8184 (time 1780996381.88 total 40.02 last 180.48)
 - closed 10000 (time 1780996390.60 total 48.74 last 208.30)
 - closed 12116 (time 1780996400.60 total 58.75 last 211.50)
total: 13452 close in 65.15 seconds: 206.47 close/second
 - unlinked 0 (time 1780996411 ; total 0 ; last 0)
 - unlinked 10000 (time 1780996496 ; total 85 ; last 85)
unlink(/mnt/lustre/d51f.sanity/f13452) error: No such file or directory
total: 13452 unlinks in 113 seconds: 119.044250 unlinks/second