== sanity test 51f: check many open files limit ========== 20:02:19 (1787702539)
MDT0 numfree=     535620, max=100000
changed ulimit from 1024 to 100020
 - open/keep 912 (time 1787702554.33 total 10.02 last 91.05)
 - open/keep 1798 (time 1787702564.33 total 20.02 last 88.56)
 - open/keep 2607 (time 1787702574.34 total 30.03 last 80.86)
 - open/keep 3342 (time 1787702584.36 total 40.05 last 73.31)
 - open/keep 4198 (time 1787702594.37 total 50.06 last 85.55)
 - open/keep 5142 (time 1787702604.37 total 60.06 last 94.35)
 - open/keep 6104 (time 1787702614.39 total 70.07 last 96.09)
 - open/keep 7018 (time 1787702624.39 total 80.08 last 91.35)
 - open/keep 7920 (time 1787702634.40 total 90.09 last 90.15)
 - open/keep 8827 (time 1787702644.41 total 100.09 last 90.62)
 - open/keep 9839 (time 1787702654.42 total 110.11 last 101.09)
total: 10755 open/keep in 120.01 seconds: 89.62 ops/second
 - closed 1759 (time 1787702674.32 total 10.00 last -807.68)
 - closed 3267 (time 1787702684.33 total 20.01 last 150.70)
 - closed 4925 (time 1787702694.33 total 30.01 last 165.76)
 - closed 6658 (time 1787702704.33 total 40.02 last 173.25)
 - closed 8266 (time 1787702714.34 total 50.02 last 160.76)
 - closed 9851 (time 1787702724.35 total 60.03 last 158.34)
 - closed 10000 (time 1787702725.35 total 61.04 last 147.95)
total: 10755 close in 66.13 seconds: 162.65 close/second
 - unlinked 0 (time 1787702735 ; total 0 ; last 0)
 - unlinked 10000 (time 1787702841 ; total 106 ; last 106)
unlink(/mnt/lustre/d51f.sanity/f10755) error: No such file or directory
total: 10755 unlinks in 113 seconds: 95.176994 unlinks/second