Phoenix 构建二级索引
都来自官网，请看官网 http://phoenix.apache.org/secondary_indexing.html 下边分析全局索引和本地索引 Global Indexing 全局索引 Global indexing targets read heavy，low write uses cases. With global indexes, all the performance penalties for indexes occur at write time. We intercept the data table updates on write (DELETE, UPSERT VALUES and UPSERT SELECT), build the index update and then sent any necessary updates to all interested index tables. At read time, Phoenix will select the index table to use that will produce the faste...
