Dragonfly2
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Published
20 hours ago •
dragonflyoss
dragonflyoss
dfdaemon slow download promblem in long run
Bug report:
I did some press test on 990 machines. I found a strange thing:the performance is better if I restart dfdaemon before dfget download. There may be some bugs. Here is the test report:
restart dfdaemon before dfget download:
| 文件大小 | 节点数量 | 成功率 | 时间 | avg rate/s | max rate/s | min rate/s |
|---|---|---|---|---|---|---|
| 10K | 1 | 100.0% | 1.757s | 5.692KiB | 5.692KiB | 5.692KiB |
| 10K | 5 | 100.0% | 2.678s | 4.352KiB | 5.824KiB | 3.734KiB |
| 10K | 10 | 100.0% | 2.585s | 4.972KiB | 6.698KiB | 3.868KiB |
| 10K | 100 | 100.0% | 2.979s | 4.904KiB | 7.348KiB | 3.357KiB |
| 10K | 990 | 100.0% | 4.201s | 4.73KiB | 6.192KiB | 2.38KiB |
| 200M | 1 | 100.0% | 4.142s | 48.29MiB | 48.29MiB | 48.29MiB |
| 200M | 5 | 100.0% | 3.644s | 61.91MiB | 65.38MiB | 54.88MiB |
| 200M | 10 | 100.0% | 5.267s | 47.32MiB | 62.31MiB | 37.97MiB |
| 200M | 100 | 100.0% | 6.304s | 42.05MiB | 67.2MiB | 31.73MiB |
| 200M | 990 | 100.0% | 9.246s | 36.37MiB | 78.09MiB | 21.63MiB |
| 1G | 1 | 100.0% | 11.669s | 87.75MiB | 87.75MiB | 87.75MiB |
| 1G | 5 | 100.0% | 17.852s | 71.21MiB | 93.27MiB | 57.36MiB |
| 1G | 10 | 100.0% | 24.36s | 62.65MiB | 95.86MiB | 42.04MiB |
| 1G | 100 | 100.0% | 43.314s | 31.04MiB | 96.79MiB | 23.64MiB |
| 1G | 990 | 100.0% | 28.492s | 49.26MiB | 84.89MiB | 35.94MiB |
| 10G | 1 | 100.0% | 1m42.622s | 99.78MiB | 99.78MiB | 99.78MiB |
| 10G | 5 | 100.0% | 4m26.479s | 48.34MiB | 86.56MiB | 38.43MiB |
| 10G | 10 | 100.0% | 5m3.177s | 54.91MiB | 89.56MiB | 33.78MiB |
| 10G | 100 | 100.0% | 6m57.945s | 29.32MiB | 63.79MiB | 24.5MiB |
| 10G | 990 | 100.0% | 6m28.227s | 34.74MiB | 81.03MiB | 26.38MiB |
no restart before dfget download:
| 文件大小 | 节点数 | 成功率 | 总耗时 | avg rate/s | max rate/s | min rate/s |
|---|---|---|---|---|---|---|
| 10K | 1 | 1.0 | 2.254s | 4.437KiB | 4.437KiB | 4.437KiB |
| 10K | 5 | 1.0 | 2.735s | 4.2KiB | 4.462KiB | 3.656KiB |
| 10K | 10 | 1.0 | 2.956s | 4.082KiB | 4.941KiB | 3.383KiB |
| 10K | 100 | 1.0 | 4.688s | 3.942KiB | 5.368KiB | 2.133KiB |
| 10K | 990 | 1.0 | 5.014s | 150.7KiB | 1.953MiB | 1.994KiB |
| 200M | 1 | 1.0 | 1.057s | 189.2MiB | 189.2MiB | 189.2MiB |
| 200M | 5 | 1.0 | 1.425s | 149.7MiB | 155.8MiB | 140.4MiB |
| 200M | 10 | 1.0 | 7.758s | 40.74MiB | 138.4MiB | 25.78MiB |
| 200M | 100 | 1.0 | 7.714s | 31.17MiB | 188.1MiB | 25.93MiB |
| 200M | 990 | 1.0 | 29.71s | 10.26MiB | 61.67MiB | 6.732MiB |
| 1G | 1 | 1.0 | 9.983s | 102.6MiB | 102.6MiB | 102.6MiB |
| 1G | 5 | 1.0 | 22.66s | 61.53MiB | 110.1MiB | 45.19MiB |
| 1G | 10 | 1.0 | 37.031s | 37.62MiB | 100.6MiB | 27.65MiB |
| 1G | 100 | 1.0 | 42.15s | 29.48MiB | 111.6MiB | 24.29MiB |
| 1G | 990 | 1.0 | 2m11.768s | 10.59MiB | 84.47MiB | 7.771MiB |
| 10G | 1 | 1.0 | 1m51.365s | 91.95MiB | 91.95MiB | 91.95MiB |
| 10G | 5 | 1.0 | 4m25.247s | 52.18MiB | 90.03MiB | 38.61MiB |
| 10G | 10 | 1.0 | 6m42.122s | 35.63MiB | 95.58MiB | 25.46MiB |
| 10G | 100 | 1.0 | 7m40.467s | 23.17MiB | 92.78MiB | 22.24MiB |
| 10G | 990 | 1.0 | 11m4.111s | 19.52MiB | 90.37MiB | 15.42MiB |
Expected behavior:
How to reproduce it:
Environment:
- Dragonfly version:
- OS:
- Kernel (e.g.
uname -a): - Others:
