Elastic Stack

Elasticsearch Scoring Changes In Action

January 15, 2020

For the ones started their journey with Elasticsearch before version 5.x sometimes upgrading to the newer versions like 6.x or 7.x bring many challenges. From data type changes to the index structure changes and deprecations, from Transport to REST client and so one. One of those changes that would influence your system, is the scoring algorithm evolution. In this blog, we demonstrate the impact on relevance and scoring if the Elasticsearch changes its algorithms under the hood between major versions. We will show it practically, using a small dataset. If the scoring feature of Elasticsearch…

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