== sanity test 51f: check many open files limit ========== 08:22:33 (1790684553)
MDT0 numfree=545437, max=100000
changed ulimit from 1024 to 100020
 - open/keep 640 (time 1790684571.34 total 10.02 last 63.89)
 - open/keep 1482 (time 1790684581.35 total 20.03 last 84.10)
 - open/keep 2302 (time 1790684591.37 total 30.05 last 81.85)
 - open/keep 3025 (time 1790684601.38 total 40.06 last 72.21)
 - open/keep 3927 (time 1790684611.38 total 50.06 last 90.16)
 - open/keep 4773 (time 1790684621.40 total 60.08 last 84.47)
 - open/keep 5537 (time 1790684631.40 total 70.08 last 76.36)
 - open/keep 6416 (time 1790684641.42 total 80.10 last 87.71)
 - open/keep 7280 (time 1790684651.43 total 90.11 last 86.38)
 - open/keep 8130 (time 1790684661.44 total 100.12 last 84.88)
 - open/keep 9169 (time 1790684671.45 total 110.13 last 103.79)
 - open/keep 10000 (time 1790684681.13 total 119.81 last 85.89)
total: 10027 open/keep in 120.00 seconds: 83.56 ops/second
 - closed 1410 (time 1790684691.32 total 10.00 last -858.89)
 - closed 2585 (time 1790684701.33 total 20.00 last 117.47)
 - closed 3991 (time 1790684711.33 total 30.01 last 140.52)
 - closed 5468 (time 1790684721.34 total 40.01 last 147.65)
 - closed 6791 (time 1790684731.34 total 50.01 last 132.28)
 - closed 7952 (time 1790684741.35 total 60.02 last 116.02)
 - closed 9318 (time 1790684751.35 total 70.02 last 136.58)
 - closed 10000 (time 1790684756.80 total 75.47 last 125.16)
total: 10027 close in 75.74 seconds: 132.38 close/second
 - unlinked 0 (time 1790684764 ; total 0 ; last 0)
 - unlinked 10000 (time 1790684873 ; total 109 ; last 109)
unlink(/mnt/lustre/d51f.sanity/f10027) error: No such file or directory
total: 10027 unlinks in 109 seconds: 91.990829 unlinks/second