Migrating From Elasticsearch 7.17 to Elasticsearch 8.x: Pitfalls and Learnings
Zalando Engineering
NOVEMBER 19, 2023
What this article is about What kind of changes we had to make to the codebase How we did the actual upgrade What challenges we faced How we did the data transfer How the data was kept in sync What this article is not A step-by-step guide on how to upgrade Elasticsearch (read on to find out why).
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