The solution will involve updating the Elasticsearch Client. https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79949 Warn in Logs are appearing for a deprecated specification of Specifying "type" during bulk requests. [types removal] Specifying types in bulk requests is deprecated. This WARN refers to The Removal of Mapping types in Elasticsearch 6.0.0 (last version supported was 5.6). https://www.elastic.co/guide/en/elasticsearch/reference/current/removal-of-types.html. In ES 8.0 Type will not function. This MR contains Bridging Compatibility changes to support multiple versions in this transition. https://gitlab.com/gitlab-org/gitlab/-/merge_requests/22859  This WARN will continue as long as Version 6.x is supported. We are expecting to discontinue support for 6.x with the release of Elasticsearch 8.x Currently planned in Sept 2021. ## Useful links - https://www.elastic.co/blog/moving-from-types-to-typeless-apis-in-elasticsearch-7-0 - https://www.elastic.co/guide/en/elasticsearch/reference/current/removal-of-types.html