This is the process for in-place upgrades of Elasticsearch (ES), meaning ones that can use the existing Search feed and index data.
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The in-place Elasticsearch upgrade procedure requires internet access for the Elasticsearch nodes to make the upgrade happen. Without internet access, the upgrade script might fail, thus, it is important to verify that Internet access is available. This upgrade is for Elasticsearch 6.8.6 and higher only, with a Search feed created on Swarm 11. For migrating from Elasticsearch 2.3.3 or 5.6.12, see Migrating from Older Elasticsearch. |
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