今天碰到一个很奇怪的问题，impala查询34亿条数据报错，不过多亏网上有神仙相助，少了一个插件，具体原因有待思考，，，问题是原创的，解决方案是大神提供的
[cdh004:21000] > select count(*) from impala_100yi;
Query: select count(*) from impala_100yi
Query submitted at: 2019-02-14 14:07:33 (Coordinator: http://cdh004:25000)
Query progress can be monitored at: http://cdh004:25000/query_plan?query_id=5248ba412c4dcffa:306f374700000000
WARNINGS: TransmitData() to 172.15.106.223:27000 failed: Invalid argument: Client connection negotiation failed: client connection to 172.15.106.223:27000: unable to find SASL plugin: PLAIN
问题处理
yum install gcc python-devel cyrus-sasl* -y 然后重启集群的agent和集群服务