impala安裝筆記（Ubuntu）

1.Override

• 1.With Impala, you can query data, whether stored in HDFS or Apache HBase – including SELECT, JOIN, and aggregate functions – in real time
• 2.Furthermore, Impala uses the same metadata, SQL syntax (Hive SQL), ODBC driver, and user interface (Hue Beeswax) as Apache Hive, providing a familiar and unified platform for batch-oriented or real-time queries

2.安裝

• https://www.jianshu.com/p/e486b47f750d
• https://blog.csdn.net/yubeihong/article/details/52583338

	 1.impala-state-store   -- 協調服務 主節點
         2.impala-catalog --名稱服務 主節點
         3.impala-server(impalad)  節點服務 子節點
         4.impala-shell 交互服務 可以部署在任意幾點上
	 

• 將core-site.xml hdfs-site.xml和hive-site.xml拷貝到/etc/impala/conf下