== sanity test 51f: check many open files limit ========== 00:59:34 (1783141174)
MDT0 numfree=     529968, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1135 (time 1783141188.24 total 10.00 last 113.45)
 - open/keep 2252 (time 1783141198.24 total 20.01 last 111.67)
 - open/keep 3588 (time 1783141208.25 total 30.01 last 133.53)
 - open/keep 4865 (time 1783141218.25 total 40.02 last 127.65)
 - open/keep 6004 (time 1783141228.26 total 50.02 last 113.85)
 - open/keep 7174 (time 1783141238.26 total 60.03 last 116.93)
 - open/keep 8432 (time 1783141248.27 total 70.03 last 125.79)
 - open/keep 9728 (time 1783141258.27 total 80.03 last 129.60)
 - open/keep 10000 (time 1783141260.33 total 82.09 last 131.94)
 - open/keep 11230 (time 1783141270.33 total 92.09 last 122.96)
 - open/keep 12471 (time 1783141280.33 total 102.09 last 124.08)
 - open/keep 13794 (time 1783141290.34 total 112.10 last 132.23)
total: 14875 open/keep in 120.00 seconds: 123.96 ops/second
 - closed 2208 (time 1783141308.24 total 10.00 last -1158.55)
 - closed 4295 (time 1783141318.24 total 20.00 last 208.62)
 - closed 6474 (time 1783141328.24 total 30.01 last 217.86)
 - closed 8551 (time 1783141338.25 total 40.01 last 207.68)
 - closed 10000 (time 1783141345.21 total 46.97 last 208.18)
 - closed 11937 (time 1783141355.21 total 56.98 last 193.53)
 - closed 13979 (time 1783141365.21 total 66.98 last 204.19)
total: 14875 close in 71.24 seconds: 208.80 close/second
 - unlinked 0 (time 1783141372 ; total 0 ; last 0)
 - unlinked 10000 (time 1783141448 ; total 76 ; last 76)
unlink(/mnt/lustre/d51f.sanity/f14875) error: No such file or directory
total: 14875 unlinks in 136 seconds: 109.375000 unlinks/second