== sanity test 51f: check many open files limit ========== 02:28:54 (1788935334)
MDT0 numfree=     530372, max=100000
changed ulimit from 1024 to 100020
 - open/keep 957 (time 1788935349.38 total 10.01 last 95.64)
 - open/keep 1791 (time 1788935359.39 total 20.01 last 83.37)
 - open/keep 2603 (time 1788935369.40 total 30.02 last 81.11)
 - open/keep 3545 (time 1788935379.40 total 40.02 last 94.18)
 - open/keep 4301 (time 1788935389.40 total 50.03 last 75.59)
 - open/keep 5264 (time 1788935399.40 total 60.03 last 96.29)
 - open/keep 6288 (time 1788935409.41 total 70.03 last 102.37)
 - open/keep 7144 (time 1788935419.41 total 80.03 last 85.56)
 - open/keep 8115 (time 1788935429.42 total 90.04 last 97.05)
 - open/keep 8971 (time 1788935439.44 total 100.06 last 85.43)
 - open/keep 9799 (time 1788935449.44 total 110.07 last 82.73)
 - open/keep 10000 (time 1788935451.57 total 112.20 last 94.46)
total: 10805 open/keep in 120.00 seconds: 90.04 ops/second
 - closed 1449 (time 1788935469.38 total 10.00 last -854.83)
 - closed 3108 (time 1788935479.39 total 20.01 last 165.86)
 - closed 4890 (time 1788935489.39 total 30.01 last 178.16)
 - closed 6421 (time 1788935499.40 total 40.01 last 153.00)
 - closed 7972 (time 1788935509.41 total 50.03 last 154.90)
 - closed 9418 (time 1788935519.41 total 60.03 last 144.59)
 - closed 10000 (time 1788935522.26 total 62.87 last 204.47)
total: 10805 close in 68.11 seconds: 158.65 close/second
 - unlinked 0 (time 1788935532 ; total 0 ; last 0)
 - unlinked 10000 (time 1788935640 ; total 108 ; last 108)
unlink(/mnt/lustre/d51f.sanity/f10805) error: No such file or directory
total: 10805 unlinks in 118 seconds: 91.567795 unlinks/second