Is it possible to directly upgrade (rolling) Elasticsearch 6.3.0 to 7.7.0?


I would like to if it is possible to upgrade my existing Elasticsearch v6.3.0 to v7.7.0, without introducing an intermediate version? Below is the rolling upgrade link.

Thank you.

You can reindex the data in the new cluster. Using reindex from remote for example.

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Per the doc you linked to, no;

Rolling upgrades are supported:

  • Between minor versions
  • From 5.6 to 6.8
  • From 6.8 to 7.7.1
  • From any version since 7.7.0 to 7.7.1

Upgrading directly to 7.7.1 from 6.7 or earlier requires a full cluster restart.

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