Elastic Search Cluster Management

Steps to do rolling restart of ES cluster:

• sudo su root
• docker ps -a
• docker stop/start <I_ID>
• docker exec -it <IMG_Id> /bin/bash
• ps -ef | grep ‘keyword’
• kill – 15 <P_ID> //SIGTERM signal termination message
• reboot
• https://www.elastic.co/guide/en/elasticsearch/reference/current/restart-cluster.html#restart-cluster-rolling
• ping host_name -> get IP
• kill -9 <P_ID>

Querying cluster details :

GET _cat/indices

GET _cat/aliases

Index settings GET INDEX_NAME/_settings