== sanity test 51f: check many open files limit ========== 01:44:34 (1784699074)
MDT0 numfree=     535952, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5540 (time 1784699086.29 total 10.00 last 553.93)
 - open/keep 10000 (time 1784699095.78 total 19.48 last 470.43)
 - open/keep 15206 (time 1784699105.78 total 29.48 last 520.53)
 - open/keep 19719 (time 1784699115.78 total 39.48 last 451.30)
 - open/keep 23325 (time 1784699125.78 total 49.49 last 360.54)
 - open/keep 27977 (time 1784699135.78 total 59.49 last 465.07)
 - open/keep 30000 (time 1784699140.20 total 63.91 last 457.37)
 - open/keep 34609 (time 1784699150.21 total 73.91 last 460.77)
 - open/keep 39093 (time 1784699160.21 total 83.92 last 448.33)
 - open/keep 43677 (time 1784699170.21 total 93.92 last 458.31)
 - open/keep 48858 (time 1784699180.21 total 103.92 last 517.97)
 - open/keep 50000 (time 1784699182.39 total 106.09 last 525.62)
 - open/keep 54680 (time 1784699192.39 total 116.10 last 467.82)
total: 56362 open/keep in 120.00 seconds: 469.68 ops/second
 - closed 9453 (time 1784699206.29 total 10.00 last -4522.39)
 - closed 10000 (time 1784699206.88 total 10.58 last 936.46)
 - closed 20000 (time 1784699216.67 total 20.37 last 1021.54)
 - closed 30000 (time 1784699225.60 total 29.30 last 1119.82)
 - closed 39061 (time 1784699235.60 total 39.30 last 906.08)
 - closed 40000 (time 1784699236.43 total 40.14 last 1129.22)
 - closed 50000 (time 1784699245.43 total 49.13 last 1111.53)
total: 56362 close in 55.43 seconds: 1016.75 close/second
 - unlinked 0 (time 1784699253 ; total 0 ; last 0)
 - unlinked 10000 (time 1784699276 ; total 23 ; last 23)
 - unlinked 20000 (time 1784699301 ; total 48 ; last 25)
 - unlinked 30000 (time 1784699324 ; total 71 ; last 23)
 - unlinked 40000 (time 1784699350 ; total 97 ; last 26)
 - unlinked 50000 (time 1784699373 ; total 120 ; last 23)
unlink(/mnt/lustre/d51f.sanity/f56362) error: No such file or directory
total: 56362 unlinks in 132 seconds: 426.984863 unlinks/second