Upgrade Elasticserch single node cluster

How to upgrade a single node elasticserch cluster with out data loss

Welcome to our community! :smiley:

What version are you on?


How did you initially install Elasticsearch... rpm / Deb etc?

There is documentation below an if you shut down Elasticsearch gracefully you should be OK.

Of course we would recommend taking a snapshot first just to be careful.

Snapshot and restore | Elasticsearch Guide [7.16] | Elastic.

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