Internship← All free certificatesFree learning path Final step
Elasticsearch
10 short modules. Each one: a simple lesson, two quick games and a 8-question quiz for its own free certificate. Finish them all, then take the full Elasticsearch certificate.
0 of 10 module certificates
- What is Elasticsearch?Elasticsearch is a distributed search and analytics engine built on Apache Lucene.0/4
- The inverted indexAn inverted index maps each word to the documents that contain it.0/4
- Indexes, documents and mappingsA mapping defines each field's type, like a schema.0/4
- Search queriesThe Query DSL describes searches in JSON.0/4
- Relevance and scoringElasticsearch scores documents with BM25 and lets you tune it.0/4
- AggregationsAggregations summarise data, like GROUP BY in SQL.0/4
- Shards, replicas and clustersElasticsearch spreads data across nodes for speed and safety.0/4
- Ingesting dataGetting data in: bulk API, Logstash, Beats and ingest pipelines.0/4
- The Elastic Stack and observabilityElasticsearch, Kibana, Beats and Logstash together handle logs and metrics.0/4
- Building search for an appPutting Elasticsearch behind a real product search box.0/4
🏆 Full Elasticsearch certificate
20 questions from basic to advanced, 60% to pass. Best taken after the modules.