== sanity test 51f: check many open files limit ========== 02:31:45 (1787466705)
MDT0 numfree=     531852, max=100000
changed ulimit from 1024 to 100020
 - open/keep 853 (time 1787466721.06 total 10.00 last 85.28)
 - open/keep 1648 (time 1787466731.07 total 20.01 last 79.46)
 - open/keep 2643 (time 1787466741.07 total 30.01 last 99.47)
 - open/keep 3562 (time 1787466751.07 total 40.01 last 91.87)
 - open/keep 4382 (time 1787466761.08 total 50.02 last 81.93)
 - open/keep 5312 (time 1787466771.08 total 60.02 last 92.99)
 - open/keep 6159 (time 1787466781.09 total 70.03 last 84.68)
 - open/keep 7092 (time 1787466791.09 total 80.03 last 93.30)
 - open/keep 8055 (time 1787466801.10 total 90.04 last 96.19)
 - open/keep 8932 (time 1787466811.11 total 100.05 last 87.62)
 - open/keep 9563 (time 1787466821.11 total 110.05 last 63.08)
 - open/keep 10000 (time 1787466828.03 total 116.97 last 63.11)
total: 10286 open/keep in 120.01 seconds: 85.71 ops/second
 - closed 1511 (time 1787466841.07 total 10.00 last -848.52)
 - closed 3025 (time 1787466851.09 total 20.02 last 151.15)
 - closed 4792 (time 1787466861.09 total 30.02 last 176.69)
 - closed 6380 (time 1787466871.09 total 40.02 last 158.79)
 - closed 7983 (time 1787466881.09 total 50.03 last 160.23)
 - closed 9512 (time 1787466891.11 total 60.04 last 152.69)
 - closed 10000 (time 1787466893.91 total 62.84 last 173.97)
total: 10286 close in 64.46 seconds: 159.57 close/second
 - unlinked 0 (time 1787466900 ; total 0 ; last 0)
 - unlinked 10000 (time 1787467008 ; total 108 ; last 108)
unlink(/mnt/lustre/d51f.sanity/f10286) error: No such file or directory
total: 10286 unlinks in 110 seconds: 93.509094 unlinks/second