IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Full cluster restart upgrade
editFull cluster restart upgrade
editWhen upgrading to Elasticsearch 8.0 and later, you must first upgrade to 7.17 even if you opt to perform a full-cluster restart instead of a rolling upgrade. For more information about upgrading, refer to Upgrading to Elastic 8.15.5.