== sanity test 51f: check many open files limit ========== 21:28:39 (1788917319)
MDT0 numfree=531345, max=100000
changed ulimit from 1024 to 100020
 - open/keep 4707 (time 1788917331.40 total 10.00 last 470.67)
 - open/keep 10000 (time 1788917340.09 total 18.69 last 609.02)
 - open/keep 15578 (time 1788917350.09 total 28.69 last 557.74)
 - open/keep 20000 (time 1788917359.77 total 38.37 last 456.85)
 - open/keep 26961 (time 1788917369.77 total 48.37 last 696.05)
 - open/keep 30000 (time 1788917374.20 total 52.79 last 687.33)
 - open/keep 36832 (time 1788917384.20 total 62.79 last 683.17)
 - open/keep 40000 (time 1788917388.48 total 67.08 last 739.11)
 - open/keep 46795 (time 1788917398.48 total 77.08 last 679.48)
 - open/keep 50000 (time 1788917402.82 total 81.42 last 738.95)
 - open/keep 57679 (time 1788917412.82 total 91.42 last 767.86)
 - open/keep 60000 (time 1788917416.07 total 94.66 last 715.04)
 - open/keep 67072 (time 1788917426.07 total 104.67 last 707.13)
 - open/keep 70000 (time 1788917430.44 total 109.04 last 669.42)
 - open/keep 76525 (time 1788917440.44 total 119.04 last 652.42)
total: 77211 open/keep in 120.00 seconds: 643.40 ops/second
 - closed 10000 (time 1788917449.61 total 8.20 last -8108.21)
 - closed 20000 (time 1788917457.33 total 15.92 last 1295.96)
 - closed 30000 (time 1788917465.55 total 24.14 last 1216.16)
 - closed 40000 (time 1788917473.80 total 32.39 last 1212.00)
 - closed 50000 (time 1788917481.92 total 40.51 last 1231.49)
 - closed 60000 (time 1788917490.33 total 48.92 last 1189.56)
 - closed 70000 (time 1788917499.86 total 58.45 last 1049.07)
total: 77211 close in 64.60 seconds: 1195.28 close/second
 - unlinked 0 (time 1788917507 ; total 0 ; last 0)
 - unlinked 10000 (time 1788917522 ; total 15 ; last 15)
 - unlinked 20000 (time 1788917537 ; total 30 ; last 15)
 - unlinked 30000 (time 1788917553 ; total 46 ; last 16)
 - unlinked 40000 (time 1788917567 ; total 60 ; last 14)
 - unlinked 50000 (time 1788917581 ; total 74 ; last 14)
 - unlinked 60000 (time 1788917597 ; total 90 ; last 16)
 - unlinked 70000 (time 1788917612 ; total 105 ; last 15)
unlink(/mnt/lustre/d51f.sanity/f77211) error: No such file or directory
total: 77211 unlinks in 116 seconds: 665.612061 unlinks/second