== sanity test 51f: check many open files limit ========== 04:44:29 (1785401069)
MDT0 numfree=     539792, max=100000
changed ulimit from 1024 to 100020
 - open/keep 587 (time 1785401086.37 total 10.03 last 58.50)
 - open/keep 1117 (time 1785401096.37 total 20.04 last 53.00)
 - open/keep 1932 (time 1785401106.39 total 30.05 last 81.39)
 - open/keep 2556 (time 1785401116.42 total 40.08 last 62.20)
 - open/keep 3082 (time 1785401126.42 total 50.09 last 52.57)
 - open/keep 3700 (time 1785401136.44 total 60.10 last 61.71)
 - open/keep 4373 (time 1785401146.45 total 70.11 last 67.23)
 - open/keep 5058 (time 1785401156.46 total 80.13 last 68.41)
 - open/keep 5622 (time 1785401166.47 total 90.13 last 56.37)
 - open/keep 6385 (time 1785401176.48 total 100.15 last 76.19)
 - open/keep 6976 (time 1785401186.49 total 110.15 last 59.06)
total: 7457 open/keep in 120.03 seconds: 62.13 ops/second
 - closed 1248 (time 1785401206.37 total 10.00 last -572.78)
 - closed 2723 (time 1785401216.37 total 20.01 last 147.43)
 - closed 4053 (time 1785401226.38 total 30.01 last 132.97)
 - closed 5282 (time 1785401236.40 total 40.03 last 122.65)
 - closed 6267 (time 1785401246.40 total 50.03 last 98.48)
 - closed 7341 (time 1785401256.40 total 60.03 last 107.38)
total: 7457 close in 61.20 seconds: 121.84 close/second
 - unlinked 0 (time 1785401268 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f7457) error: No such file or directory
total: 7457 unlinks in 104 seconds: 71.701920 unlinks/second