== sanity test 51f: check many open files limit ========== 05:07:06 (1788512826)
MDT0 numfree=528488, max=100000
changed ulimit from 1024 to 100020
 - open/keep 970 (time 1788512841.47 total 10.00 last 96.99)
 - open/keep 1734 (time 1788512851.47 total 20.00 last 76.39)
 - open/keep 2519 (time 1788512861.49 total 30.02 last 78.40)
 - open/keep 3248 (time 1788512871.50 total 40.03 last 72.80)
 - open/keep 4167 (time 1788512881.51 total 50.03 last 91.85)
 - open/keep 5021 (time 1788512891.51 total 60.04 last 85.35)
 - open/keep 5892 (time 1788512901.52 total 70.05 last 87.00)
 - open/keep 6867 (time 1788512911.53 total 80.06 last 97.45)
 - open/keep 7746 (time 1788512921.56 total 90.09 last 87.64)
 - open/keep 8572 (time 1788512931.56 total 100.09 last 82.60)
 - open/keep 9387 (time 1788512941.56 total 110.09 last 81.49)
 - open/keep 10000 (time 1788512948.31 total 116.84 last 90.78)
total: 10256 open/keep in 120.01 seconds: 85.46 ops/second
 - closed 1714 (time 1788512961.49 total 10.00 last -828.53)
 - closed 3243 (time 1788512971.49 total 20.01 last 152.80)
 - closed 5045 (time 1788512981.49 total 30.01 last 180.18)
 - closed 6519 (time 1788512991.49 total 40.01 last 147.39)
 - closed 7986 (time 1788513001.50 total 50.01 last 146.63)
 - closed 9621 (time 1788513011.50 total 60.02 last 163.43)
 - closed 10000 (time 1788513014.09 total 62.60 last 146.69)
total: 10256 close in 64.31 seconds: 159.49 close/second
 - unlinked 0 (time 1788513020 ; total 0 ; last 0)
 - unlinked 10000 (time 1788513143 ; total 123 ; last 123)
unlink(/mnt/lustre/d51f.sanity/f10256) error: No such file or directory
total: 10256 unlinks in 126 seconds: 81.396828 unlinks/second