Author Archives: Marek Rogoziński

ElasticSearch 0.90 – Using Rescore

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signSometimes it is handy to change ordering of documents already returned by the query. The reasons for such behavior can vary. One of the reasons may be performance – for example calculating target ordering is very costly in terms of performance and we would like to do this on the subset of documents returned by the original query. At the first look rescore gives many great opportunities for business cases. This short article will verify the usefulness of this function.

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ElasticSearch 0.90 – Using suggester

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Light BulbWhen we wrote ElasticSearch Server book, the latest available version of this search server was 0.20 (to be honest, it was 0.19 and we’ve used unreleased version).  A few days after the publication of the book we have the 0.90.0.Beta1 version available with cool, new features. One of the most important things that were introduced was the suggestion query API.  Let’s look how it works.

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