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支持Weighted Random负载均衡策略 #1254

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serverglen opened this issue Sep 23, 2020 · 3 comments
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支持Weighted Random负载均衡策略 #1254

serverglen opened this issue Sep 23, 2020 · 3 comments

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@serverglen
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serverglen commented Sep 23, 2020 •
edited

Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)
支持Weighted Random负载均衡策略

Describe the solution you'd like (描述你期望的解决方法)
random在下游处理能力（cpu、内存等资源）大致相等的情况下能很好的工作，但是当下游处理能力相差较大的时候，如果还是按照完全随机的方法将流量转发给下游实例，就会导致下游某些实例负载高、某些实例负载低的情况；而Weighted Random就可以根基机器的资源配置来调整其被选择的权重。

Describe alternatives you've considered (描述你想到的折衷方案)

Additional context/screenshots (更多上下文/截图)
@gydong
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gydong commented Sep 23, 2020

能具体描述一下你的应用场景吗？或者要解决什么问题

@hohodu
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hohodu commented Sep 24, 2020

wrr_lb 基于权重的负载均衡策略

@serverglen
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serverglen commented Sep 24, 2020 •
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wrr_lb 基于权重的负载均衡策略

这个我看到了，Weighted Random(wr)其实也是需要的

@serverglen serverglen mentioned this issue Dec 28, 2020
Merged
chenzhangyi added a commit that referenced this issue Jul 2, 2021
@chenzhangyi
Merge pull request #1314 from serverglen/weighted_randomized
9716e26 
implement weighted randomized load balancer #1254
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@gydong @hohodu @serverglen