question:
After adding 2 nodes to the cluster, the impala service runs abnormally
E0601 14:33:03.811748 4578 query-state.cc:424] 484462dbbe376aef:2da730b400000000] Cancelling fragment instances due to failure to reach the coordinator. (ReportExecStatus() RPC failed: Invalid argument: Client connection negotiation failed: client connection to 172.31.27.167:27000: unable to find SASL plugin: PLAIN
Cause analysis: unable to find SASL plugin: PLAIN
solution:
yum install gcc python-devel
yum install cyrus-sasl*
Restart impala, execute the error reporting program again, and display OK