== sanity test 51f: check many open files limit ========== 18:50:31 (1787871031)
MDT0 numfree=     531076, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1021 (time 1787871046.01 total 10.01 last 102.03)
 - open/keep 2041 (time 1787871056.02 total 20.01 last 101.93)
 - open/keep 3087 (time 1787871066.03 total 30.02 last 104.49)
 - open/keep 4173 (time 1787871076.04 total 40.03 last 108.51)
 - open/keep 5290 (time 1787871086.04 total 50.04 last 111.66)
 - open/keep 6346 (time 1787871096.05 total 60.05 last 105.43)
 - open/keep 7507 (time 1787871106.06 total 70.05 last 116.10)
 - open/keep 8556 (time 1787871116.06 total 80.06 last 104.86)
 - open/keep 9589 (time 1787871126.06 total 90.06 last 103.24)
 - open/keep 10000 (time 1787871130.29 total 94.29 last 97.22)
 - open/keep 11012 (time 1787871140.30 total 104.30 last 101.12)
 - open/keep 12092 (time 1787871150.31 total 114.30 last 107.92)
total: 12697 open/keep in 120.01 seconds: 105.80 ops/second
 - closed 1922 (time 1787871166.02 total 10.00 last -1016.77)
 - closed 3866 (time 1787871176.02 total 20.00 last 194.38)
 - closed 5858 (time 1787871186.03 total 30.01 last 199.11)
 - closed 7676 (time 1787871196.04 total 40.02 last 181.58)
 - closed 9603 (time 1787871206.04 total 50.02 last 192.67)
 - closed 10000 (time 1787871208.60 total 52.59 last 154.80)
 - closed 11792 (time 1787871218.60 total 62.59 last 179.18)
total: 12697 close in 67.38 seconds: 188.44 close/second
 - unlinked 0 (time 1787871228 ; total 0 ; last 0)
 - unlinked 10000 (time 1787871321 ; total 93 ; last 93)
unlink(/mnt/lustre/d51f.sanity/f12697) error: No such file or directory
total: 12697 unlinks in 117 seconds: 108.521370 unlinks/second