Following this to upgrade Elasticsearch. When shutting down the single node with 'sudo service elasticsearch stop' gets error: "Failed to stop elasticsearch.service: Unit elasticsearch.service not loaded."
Upgrading Elasticsearch 7.10 to 7.17 and installed it as docker compose.
In case it is being run as Daemon, 'stop by killing as a PID'.
How to determine PID of each node to stop.
Elasticsearch 7.10 is EOL and no longer supported. Please upgrade ASAP.
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What do the Elasticsearch logs show?
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