== sanity test 51f: check many open files limit ========== 00:09:20 (1786421360)
MDT0 numfree=     533063, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1206 (time 1786421375.47 total 10.00 last 120.60)
 - open/keep 2266 (time 1786421385.48 total 20.01 last 105.95)
 - open/keep 3343 (time 1786421395.48 total 30.01 last 107.65)
 - open/keep 4534 (time 1786421405.49 total 40.02 last 119.01)
 - open/keep 5940 (time 1786421415.50 total 50.02 last 140.53)
 - open/keep 7314 (time 1786421425.51 total 60.03 last 137.23)
 - open/keep 8676 (time 1786421435.52 total 70.04 last 136.10)
 - open/keep 10000 (time 1786421444.91 total 79.44 last 140.93)
 - open/keep 11356 (time 1786421454.91 total 89.44 last 135.55)
 - open/keep 12806 (time 1786421464.92 total 99.45 last 144.87)
 - open/keep 14198 (time 1786421474.92 total 109.45 last 139.17)
 - open/keep 15600 (time 1786421484.93 total 119.46 last 140.07)
total: 15686 open/keep in 120.00 seconds: 130.72 ops/second
 - closed 2539 (time 1786421495.48 total 10.00 last -1306.05)
 - closed 5137 (time 1786421505.48 total 20.00 last 259.68)
 - closed 7852 (time 1786421515.48 total 30.01 last 271.45)
 - closed 10000 (time 1786421523.38 total 37.90 last 271.99)
 - closed 12705 (time 1786421533.38 total 47.90 last 270.50)
 - closed 15542 (time 1786421543.38 total 57.91 last 283.55)
total: 15686 close in 58.44 seconds: 268.43 close/second
 - unlinked 0 (time 1786421548 ; total 0 ; last 0)
 - unlinked 10000 (time 1786421627 ; total 79 ; last 79)
unlink(/mnt/lustre/d51f.sanity/f15686) error: No such file or directory
total: 15686 unlinks in 130 seconds: 120.661537 unlinks/second