== sanity test 51f: check many open files limit ========== 11:28:31 (1782487711)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d51f.sanity
MDT1 numfree=    1021980, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2875 (time 1782487722.83 total 10.00 last 287.39)
 - open/keep 5328 (time 1782487732.84 total 20.01 last 245.25)
 - open/keep 9201 (time 1782487742.84 total 30.01 last 387.24)
 - open/keep 10000 (time 1782487745.14 total 32.31 last 346.35)
 - open/keep 11392 (time 1782487755.15 total 42.32 last 139.13)
 - open/keep 12644 (time 1782487765.15 total 52.32 last 125.14)
 - open/keep 13769 (time 1782487775.16 total 62.33 last 112.46)
 - open/keep 14671 (time 1782487785.17 total 72.33 last 90.13)
 - open/keep 15485 (time 1782487795.17 total 82.34 last 81.36)
 - open/keep 16223 (time 1782487805.18 total 92.35 last 73.74)
 - open/keep 16973 (time 1782487815.19 total 102.36 last 74.89)
 - open/keep 17983 (time 1782487825.20 total 112.37 last 100.90)
total: 18880 open/keep in 120.00 seconds: 157.33 ops/second
 - closed 2103 (time 1782487842.84 total 10.00 last -1587.63)
 - closed 3257 (time 1782487852.84 total 20.01 last 115.33)
 - closed 4755 (time 1782487862.89 total 30.06 last 149.05)
 - closed 6498 (time 1782487872.89 total 40.06 last 174.27)
 - closed 8570 (time 1782487882.91 total 50.07 last 206.98)
 - closed 10000 (time 1782487889.86 total 57.03 last 205.54)
 - closed 12103 (time 1782487899.86 total 67.03 last 210.28)
 - closed 14461 (time 1782487909.86 total 77.03 last 235.77)
 - closed 16671 (time 1782487919.87 total 87.03 last 220.97)
total: 18880 close in 96.56 seconds: 195.52 close/second
 - unlinked 0 (time 1782487933 ; total 0 ; last 0)
 - unlinked 10000 (time 1782488006 ; total 73 ; last 73)
unlink(/mnt/lustre/d51f.sanity/f18880) error: No such file or directory
total: 18880 unlinks in 136 seconds: 138.823532 unlinks/second