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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你们好 - Elasticsearch and the Chinese language

December 19, 2019

Today we are looking into the Elasticsearch language support of Chinese. Chinese is spoken by the ethnic Chinese majority and many minority ethnic groups in China. About 1.2 billion people (around 16% of the world's population) speak some form of Chinese as their first language. We are an international company, so having customers in Singapore or Hong Kong makes it super interesting. Chinese consists of many dialects and mostly two written forms. In our first section, I will clarify which region uses what dialect and written form. After that, we are looking at what is supported by…

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