== sanity test 51f: check many open files limit ========== 02:07:30 (1789711650)
MDT0 numfree=537805, max=100000
changed ulimit from 1024 to 100020
 - open/keep 5332 (time 1789711662.00 total 10.00 last 533.12)
 - open/keep 10000 (time 1789711670.18 total 18.18 last 570.78)
 - open/keep 15993 (time 1789711680.18 total 28.18 last 599.27)
 - open/keep 20000 (time 1789711686.27 total 34.27 last 658.27)
 - open/keep 25754 (time 1789711696.29 total 44.28 last 574.41)
 - open/keep 30000 (time 1789711703.94 total 51.94 last 554.79)
 - open/keep 37226 (time 1789711713.94 total 61.94 last 722.53)
 - open/keep 40000 (time 1789711718.09 total 66.09 last 668.09)
 - open/keep 46565 (time 1789711728.10 total 76.09 last 656.45)
 - open/keep 50000 (time 1789711733.14 total 81.13 last 681.45)
 - open/keep 56171 (time 1789711743.14 total 91.13 last 617.08)
 - open/keep 60000 (time 1789711749.75 total 97.74 last 579.09)
 - open/keep 66258 (time 1789711759.75 total 107.75 last 625.77)
 - open/keep 70000 (time 1789711765.23 total 113.22 last 682.96)
total: 74722 open/keep in 120.00 seconds: 622.68 ops/second
 - closed 10000 (time 1789711780.07 total 8.06 last -7441.48)
 - closed 20000 (time 1789711787.78 total 15.77 last 1297.00)
 - closed 30000 (time 1789711795.69 total 23.69 last 1263.40)
 - closed 40000 (time 1789711804.86 total 32.85 last 1091.04)
 - closed 50000 (time 1789711812.70 total 40.70 last 1274.53)
 - closed 60000 (time 1789711821.11 total 49.10 last 1190.10)
 - closed 70000 (time 1789711830.52 total 58.52 last 1061.97)
total: 74722 close in 62.75 seconds: 1190.81 close/second
 - unlinked 0 (time 1789711836 ; total 0 ; last 0)
 - unlinked 10000 (time 1789711939 ; total 103 ; last 103)
 - unlinked 20000 (time 1789712030 ; total 194 ; last 91)
 - unlinked 30000 (time 1789712110 ; total 274 ; last 80)
 - unlinked 40000 (time 1789712193 ; total 357 ; last 83)
 - unlinked 50000 (time 1789712282 ; total 446 ; last 89)
 - unlinked 60000 (time 1789712443 ; total 607 ; last 161)
 - unlinked 70000 (time 1789712643 ; total 807 ; last 200)
unlink(/mnt/lustre/d51f.sanity/f74722) error: No such file or directory
total: 74722 unlinks in 878 seconds: 85.104782 unlinks/second