Elastic Search Concepts
- Elastic Search is Distributed Store for documents in json format which is horizontally scalable & it is effecient in searching text
- Shards and Replicas
- In Elastic Search, When we insert documents an Inverted Index is built Refer Here
- From the above concepts:
- How Elastic search works even when server(s) in cluster is down?
- Why Elastic Serarch is good at searching text?
Exercise:
- Try Building inverted index for the following data
Until one has loved an animal, a part of ones soul remains unawakened. –Anatole France
Animals are such agreeable friends—they ask no questions; they pass no criticisms. –George Eliot
An animals eyes have the power to speak a great language.–Martin Buber
The better I get to know men, the more I find myself loving dogs. –Charles de Gaulle
Dogs are our link to paradise. They don't know evil or jealousy or discontent. –Milan Kundera
- What would be the ideal number of shards and replicas when i have 5 servers and assume the cluster to work even if two nodes are down
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