== sanity test 51f: check many open files limit ========== 09:45:06 (1788875106)
MDT0 numfree=     533063, max=100000
changed ulimit from 1024 to 100020
 - open/keep 909 (time 1788875121.77 total 10.01 last 90.85)
 - open/keep 1916 (time 1788875131.78 total 20.02 last 100.59)
 - open/keep 2879 (time 1788875141.80 total 30.03 last 96.15)
 - open/keep 3828 (time 1788875151.80 total 40.04 last 94.82)
 - open/keep 4809 (time 1788875161.81 total 50.05 last 98.00)
 - open/keep 5853 (time 1788875171.84 total 60.07 last 104.16)
 - open/keep 6794 (time 1788875181.85 total 70.08 last 93.99)
 - open/keep 7854 (time 1788875191.85 total 80.09 last 105.93)
 - open/keep 8791 (time 1788875201.86 total 90.10 last 93.64)
 - open/keep 9735 (time 1788875211.87 total 100.10 last 94.33)
 - open/keep 10000 (time 1788875214.36 total 102.60 last 106.37)
 - open/keep 10972 (time 1788875224.36 total 112.60 last 97.17)
total: 11756 open/keep in 120.01 seconds: 97.96 ops/second
 - closed 1720 (time 1788875241.77 total 10.00 last -925.14)
 - closed 3429 (time 1788875251.77 total 20.00 last 170.88)
 - closed 5202 (time 1788875261.78 total 30.01 last 177.19)
 - closed 6911 (time 1788875271.78 total 40.01 last 170.86)
 - closed 8626 (time 1788875281.79 total 50.02 last 171.36)
 - closed 10000 (time 1788875290.12 total 58.35 last 164.93)
 - closed 11570 (time 1788875300.12 total 68.35 last 156.94)
total: 11756 close in 69.42 seconds: 169.34 close/second
 - unlinked 0 (time 1788875306 ; total 0 ; last 0)
 - unlinked 10000 (time 1788875414 ; total 108 ; last 108)
unlink(/mnt/lustre/d51f.sanity/f11756) error: No such file or directory
total: 11756 unlinks in 124 seconds: 94.806450 unlinks/second