Adds documentation informing the reader about how the Elasticsearch Service / Elastic Cloud Enterprise upgrade process and autoscaling system automate the migration of the Elasticsearch nodes and ILM policies to using node.roles rather than filtering on node attributes.
Co-authored-by: debadair <debadair@elastic.co>
Co-authored-by: James Rodewig <40268737+jrodewig@users.noreply.github.com>
* [DOCS] Document how to migrate to node roles from node attrs. Closes#65855
* [DOCS] Incorporated review comments
* Update docs/reference/data-management/migrate-index-allocation-filters.asciidoc
Co-authored-by: Andrei Dan <andrei.dan@elastic.co>