tldr/pages/common/elasticsearch-node.md

elasticsearch-node

Manage low-level Elasticsearch node operations such as shutdown, repurpose, or viewing info. More information: https://www.elastic.co/docs/reference/elasticsearch/command-line-tools/node-tool.

• Display information about the current node:

elasticsearch-node info

• Prepare the node for a full cluster restart (e.g., after upgrading):

elasticsearch-node unsafe-bootstrap

• Repurpose a node for a different role (e.g., from master to data node):

elasticsearch-node repurpose

• List the roles assigned to the node:

elasticsearch-node roles

• Show the installed JVM version, Elasticsearch home path, and other diagnostic information:

elasticsearch-node diagnostics

• Display help:

elasticsearch-node {{[-h|--help]}}