== sanity test 51f: check many open files limit ========== 13:49:00 (1785952140)
MDT0 numfree=     540165, max=100000
changed ulimit from 1024 to 100020
 - open/keep 571 (time 1785952158.42 total 10.02 last 56.99)
 - open/keep 1234 (time 1785952168.43 total 20.03 last 66.24)
 - open/keep 2032 (time 1785952178.44 total 30.03 last 79.75)
 - open/keep 2714 (time 1785952188.45 total 40.05 last 68.12)
 - open/keep 3470 (time 1785952198.46 total 50.05 last 75.55)
 - open/keep 4176 (time 1785952208.47 total 60.07 last 70.50)
 - open/keep 4825 (time 1785952218.48 total 70.07 last 64.86)
 - open/keep 5510 (time 1785952228.48 total 80.08 last 68.48)
 - open/keep 6203 (time 1785952238.48 total 90.08 last 69.27)
 - open/keep 6959 (time 1785952248.49 total 100.08 last 75.56)
 - open/keep 7543 (time 1785952258.50 total 110.10 last 58.34)
total: 8338 open/keep in 120.01 seconds: 69.48 ops/second
 - closed 1355 (time 1785952278.42 total 10.01 last -618.48)
 - closed 2662 (time 1785952288.42 total 20.01 last 130.70)
 - closed 4561 (time 1785952298.43 total 30.02 last 189.62)
 - closed 5795 (time 1785952308.43 total 40.02 last 123.38)
 - closed 6994 (time 1785952318.45 total 50.04 last 119.67)
 - closed 8161 (time 1785952328.46 total 60.05 last 116.60)
total: 8338 close in 61.61 seconds: 135.33 close/second
 - unlinked 0 (time 1785952335 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f8338) error: No such file or directory
total: 8338 unlinks in 108 seconds: 77.203705 unlinks/second