== sanity test 51f: check many open files limit ========== 22:01:08 (1789783268)
MDT0 numfree=532525, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1259 (time 1789783281.74 total 10.00 last 125.87)
 - open/keep 2521 (time 1789783291.76 total 20.02 last 125.97)
 - open/keep 3743 (time 1789783301.76 total 30.02 last 122.19)
 - open/keep 4947 (time 1789783311.77 total 40.03 last 120.25)
 - open/keep 6131 (time 1789783321.79 total 50.06 last 118.14)
 - open/keep 7095 (time 1789783331.79 total 60.06 last 96.40)
 - open/keep 8092 (time 1789783341.81 total 70.07 last 99.54)
 - open/keep 9362 (time 1789783351.82 total 80.08 last 126.89)
 - open/keep 10000 (time 1789783357.18 total 85.44 last 119.11)
 - open/keep 11124 (time 1789783367.18 total 95.44 last 112.33)
 - open/keep 12357 (time 1789783377.20 total 105.46 last 123.07)
 - open/keep 13449 (time 1789783387.21 total 115.47 last 109.14)
total: 13957 open/keep in 120.01 seconds: 116.30 ops/second
 - closed 1936 (time 1789783401.75 total 10.00 last -1151.01)
 - closed 3929 (time 1789783411.75 total 20.01 last 199.25)
 - closed 5905 (time 1789783421.75 total 30.01 last 197.59)
 - closed 7783 (time 1789783431.75 total 40.01 last 187.78)
 - closed 9741 (time 1789783441.76 total 50.02 last 195.60)
 - closed 10000 (time 1789783443.49 total 51.74 last 149.99)
 - closed 11535 (time 1789783453.49 total 61.75 last 153.43)
 - closed 13280 (time 1789783463.50 total 71.75 last 174.45)
total: 13957 close in 75.12 seconds: 185.80 close/second
 - unlinked 0 (time 1789783472 ; total 0 ; last 0)
 - unlinked 10000 (time 1789783576 ; total 104 ; last 104)
unlink(/mnt/lustre/d51f.sanity/f13957) error: No such file or directory
total: 13957 unlinks in 148 seconds: 94.304054 unlinks/second