IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Rolling upgrade
editRolling upgrade
editWhen 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 8.8.2.