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Update README - #16

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nodejh wants to merge 8 commits into
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Update README#16
nodejh wants to merge 8 commits into
aliyun:masterfrom
nodejh:doc/readme

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@nodejh

@nodejh nodejh commented Nov 2, 2023

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CLAassistant commented Nov 2, 2023

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Comment thread README.md Outdated
异常,下次也可以从服务端获取断点位置继续消费,保证数据至少消费一次
- 精确一次:正常消费过程中,Consumer 会自动处理 Checkpoint 提交逻辑,保证数据精确消费一次;如果出现异常,Consumer
将当前消费位点提交至服务端,保证数据不被重复消费
- 自动负载均衡:Consumer 会根据当前 ConsumerGroup 的消费者数量和 Shard 数量自动进行负载均衡,保证任意两个消费者持有 Shard

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这里这个保证可以删掉,在负载均衡过程中、异常等情况下可能暂时性地不满足,后续实现也可能回发生变化

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已删除

Comment thread README.md Outdated
Shard 的消费断点,接着从断点继续消费数据,进而保证数据不丢失。

> not_alloc:该shard可以消费,但是尚未被任何consumer持有。
### 有限状态自动机

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这一节感觉可以删掉,之前将状态机暴露出来的做法也不是很合适,一个是增加了用户的理解成本,一个是限制了以后的设计变动。对用户的使用上的帮助也不是很大

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已删除。之前也比较纠结,当时保留是为了和原文档尽量一致。

@nodejh

nodejh commented Dec 5, 2023

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@crimson-gao 已更新。精简了内容,并增加了英文版 README。

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3 participants