== sanity test 51f: check many open files limit ========== 16:58:51 (1788469131)
MDT0 numfree=527546, max=100000
changed ulimit from 1024 to 100020
 - open/keep 932 (time 1788469146.17 total 10.02 last 93.00)
 - open/keep 1875 (time 1788469156.18 total 20.03 last 94.24)
 - open/keep 2490 (time 1788469166.19 total 30.04 last 61.42)
 - open/keep 3093 (time 1788469176.21 total 40.06 last 60.17)
 - open/keep 3653 (time 1788469186.24 total 50.08 last 55.89)
 - open/keep 4252 (time 1788469196.25 total 60.10 last 59.82)
 - open/keep 5069 (time 1788469206.25 total 70.10 last 81.66)
 - open/keep 5617 (time 1788469216.27 total 80.12 last 54.69)
 - open/keep 6331 (time 1788469226.28 total 90.13 last 71.38)
 - open/keep 7092 (time 1788469236.30 total 100.15 last 75.95)
 - open/keep 7992 (time 1788469246.31 total 110.16 last 89.86)
total: 8788 open/keep in 120.01 seconds: 73.23 ops/second
 - closed 1437 (time 1788469266.16 total 10.00 last -655.39)
 - closed 2835 (time 1788469276.16 total 20.00 last 139.80)
 - closed 4124 (time 1788469286.16 total 30.00 last 128.87)
 - closed 5445 (time 1788469296.17 total 40.01 last 131.97)
 - closed 6687 (time 1788469306.18 total 50.02 last 124.12)
 - closed 8255 (time 1788469316.18 total 60.02 last 156.75)
total: 8788 close in 63.54 seconds: 138.30 close/second
 - unlinked 0 (time 1788469324 ; total 0 ; last 0)
unlink(/mnt/lustre/d51f.sanity/f8788) error: No such file or directory
total: 8788 unlinks in 90 seconds: 97.644447 unlinks/second