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关于分库分表可扩容部分的建议 #276
Labels
enhancement
New feature or request
Comments
感谢建议,会考虑新增 |
具体方案,老哥有文档链接吗或者可以简单描述下吗?我想学习下 |
我理解其实就是映射分组的思路,原先的id在固定在某个值A以下,id<A的放入原先分库分表内,id>=A的,另起一套分库。唯一需要注意的点是先分组,再hash,若ID本身就是线性增长的,用不用hash都无所谓。 |
邮件已经正常接收。我会尽早查看,谢谢。
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这是来自QQ邮箱的假期自动回复邮件。您好,~您的邮件我已收到,谢谢!
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您的邮件我已收到!我会尽快回复您的!!!
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您好,我将尽快给您回复。
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自动回复:您好,我是梁学凯,信已收到,
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信件已收到。
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'你好。已收到你的邮件,我会在假期结束后尽快处理。————————————这是来自QQ邮箱的自动回复邮件。'
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在如何设计一个可以动态扩容缩容的分库分表方案中,直接简单粗暴的份32*32的方式明显不符合当前面试情况,而且也不太支持所谓的动态扩容所容,建议可以新增一个方案利用hash+range的方式,进行动态扩容缩容。
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