impala jdbc url格式

下面是一般的 impala JDBC 连接字符串
jdbc:impala://{host}:{port}/{database};AuthMech=3;SSL=0

impala 默认的连接端口:
port:21000, for impala-shell and ODBC driver 1.2.
port:21050, for JDBC and for ODBC driver 2.

java 程序的连接字符串示例 jdbc:impala://node1.example.com:21050/database;AuthMech=3;UID=cloudera;PWD=cloudera;

参数说明：

AuthMech 参数
Set the value to one of the following numbers:

• 0 for No Authentication
• 1 for Kerberos
• 2 for User Name
• 3 for User Name and Password

SSL 参数

• 0, not connect to SSL-enabled sockets.
• 1, through an SSL-enabled socket.