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索引能不能不仅索引id，还能获取其它一些简单数据 #57

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munggruel opened this issue Aug 7, 2016 · 1 comment

munggruel commented Aug 7, 2016

比如：索引查询之后能够返回文章的标题，作者等信息（不需要查找数据库），水平拆库拆表极限情况是 30条数据要有 30次socket连接（因为对应30个不同的数据库），这样查询列表可以直接从索引查到，而不是仅仅只能获取id，再从数据库取数据

Owner

huichen commented Aug 7, 2016

你需要一个 data_node 服务，异步从各个数据库更新字段，不要做同步查询

我们内部已经实现了这样的架构，以后有机会开放出来

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