impala故障处理
问题复现：
[cdh004:21000] > select count(*) from impala_100yi; Query: select count(*) from impala_100yi Query submitted at: 2023-10-09 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 172.16.121.224:27000 failed: Invalid argument: Client connection negotiation failed: client connection to 172.16.121.239:27000: 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
