iamqq23ue commented on issue #3661:
URL: https://github.com/apache/rocketmq/issues/3661#issuecomment-999334047
谢谢，期待您的增强
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发送时间: 2021年12月22日(星期三) 下午2:56
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主题: Re: [apache/rocketmq] Why only the last few files are synchronized
when the master-slave synchronization gap is large (Issue #3661)
这个设计有个问题，我如果想要增加一个slave，或者现有的slave坏了，就没办法同步历史数据了
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这个是预期内的，如果之前没有同步过，那么就会从master的最新也就是最大位点开始。 — Reply to this email directly, view
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是的，我后面提个pr进行增强，这里可以加个配置，可以选择从最小或者最大位点进行同步。然后文档进行说明，如果从最小位点开始同步，需要对master禁写，否则同步期间master会产生大量冷数据，对消息的收发都有影响的。
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