I have installed HDP many times, always have an issue-- connection failed and connection refused when start ambari metrics.
1. during ambari install, I have ignored the ams_env warning msg. if I follow the recommended number, it will come up with newer number, I kept change for many time, one time I even changed 7 times, still not get it pass. so I ignored this warning, should I?
2. all ambari-metrics-collcter and ambari-metrics-monitor are installed, I can see from rpm -qa|grep ambari-collecter
3. finally, ambari-metrics just dont start, get all connection failed error.
so seemed the configuration cause the connection failed, so any one have good combination to edit ams_env and ams_habase_env?
some ports just dont open and directories not exist. my passwdless setup correctly for sure. however, connection refused, it is IP problem? if need static IP, limitation is 5. I have more than 10 nodes.