== sanity test 51f: check many open files limit ========== 06:46:41 (1788518801)
MDT0 numfree=534440, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1017 (time 1788518815.90 total 10.01 last 101.65)
 - open/keep 1948 (time 1788518825.91 total 20.02 last 92.99)
 - open/keep 2952 (time 1788518835.91 total 30.02 last 100.36)
 - open/keep 4004 (time 1788518845.91 total 40.02 last 105.19)
 - open/keep 4999 (time 1788518855.93 total 50.03 last 99.38)
 - open/keep 6055 (time 1788518865.94 total 60.05 last 105.44)
 - open/keep 7104 (time 1788518875.95 total 70.06 last 104.78)
 - open/keep 8219 (time 1788518885.96 total 80.07 last 111.38)
 - open/keep 9176 (time 1788518895.97 total 90.08 last 95.65)
 - open/keep 10000 (time 1788518905.50 total 99.61 last 86.43)
 - open/keep 10894 (time 1788518915.51 total 109.61 last 89.38)
 - open/keep 11929 (time 1788518925.51 total 119.62 last 103.43)
total: 11971 open/keep in 120.01 seconds: 99.75 ops/second
 - closed 1717 (time 1788518935.90 total 10.00 last -1020.92)
 - closed 3541 (time 1788518945.91 total 20.01 last 182.26)
 - closed 5345 (time 1788518955.91 total 30.01 last 180.35)
 - closed 7222 (time 1788518965.91 total 40.01 last 187.69)
 - closed 9107 (time 1788518975.91 total 50.02 last 188.47)
 - closed 10000 (time 1788518981.21 total 55.31 last 168.69)
 - closed 11829 (time 1788518991.21 total 65.31 last 182.86)
total: 11971 close in 66.23 seconds: 180.74 close/second
 - unlinked 0 (time 1788518996 ; total 0 ; last 0)
 - unlinked 10000 (time 1788519105 ; total 109 ; last 109)
unlink(/mnt/lustre/d51f.sanity/f11971) error: No such file or directory
total: 11971 unlinks in 130 seconds: 92.084618 unlinks/second