== sanity test 51f: check many open files limit ========== 21:46:49 (1775872009)
MDT0 numfree=     531749 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 858 (time 1775872024.61 total 10.01 last 85.75)
 - open/keep 1586 (time 1775872034.62 total 20.01 last 72.75)
 - open/keep 2316 (time 1775872044.63 total 30.03 last 72.90)
 - open/keep 2995 (time 1775872054.64 total 40.03 last 67.85)
 - open/keep 3681 (time 1775872064.64 total 50.04 last 68.56)
 - open/keep 4455 (time 1775872074.66 total 60.06 last 77.27)
 - open/keep 5349 (time 1775872084.66 total 70.06 last 89.38)
 - open/keep 6256 (time 1775872094.67 total 80.07 last 90.63)
 - open/keep 7158 (time 1775872104.68 total 90.07 last 90.14)
 - open/keep 8048 (time 1775872114.68 total 100.07 last 88.99)
 - open/keep 8982 (time 1775872124.68 total 110.08 last 93.38)
total: 9841 open/keep in 120.02 seconds: 81.99 ops/second
 - closed 1293 (time 1775872144.62 total 10.00 last -768.86)
 - closed 2498 (time 1775872154.63 total 20.01 last 120.38)
 - closed 3543 (time 1775872164.64 total 30.01 last 104.49)
 - closed 4967 (time 1775872174.64 total 40.02 last 142.29)
 - closed 6318 (time 1775872184.64 total 50.02 last 135.08)
 - closed 7637 (time 1775872194.65 total 60.02 last 131.86)
 - closed 9306 (time 1775872204.65 total 70.02 last 166.89)
total: 9841 close in 73.22 seconds: 134.40 close/second
 - unlinked 0 (time 1775872212 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f9841) error: No such file or directory
total: 9841 unlinks in 104 seconds: 94.625000 unlinks/second