IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Guide [8.5] ›Deleted pages

Rolling upgrade

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Rolling upgrade

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When upgrading to Elasticsearch 8.0 and later, you must first upgrade to 7.17 whether you opt to perform a rolling upgrade (upgrade one node at a time) or a full-cluster restart upgrade. For more information about upgrading, refer to Upgrading to Elastic 8.5.3.

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