101 Exploring Elasticsearch: The Powerhouse of Free Text Search

Описание: Elasticsearch is a free text search engine.
It explains various aspects of Elasticsearch core concepts and the basic principles of free text search, such as indexing, query processing, data structures, and search relevance.

There are practical insights into how it handles indexing, searching, and relevancy calculations.

Timecode:
0:00 - History of Elasticsearch
3:25 - How to make the text searchable
6:40 - What is the logic inside the index?
10:13 - Challenges for indexing in the real world.
18:00 - Write performance.
25:03 - Search of the data.
28:10 - Types of the queries and their cost.
31:15 - Cluster performance planning.
39:04 - Cluster noes and roles.
44:06 - Cluster topology recommendations.
45:44 - Hardware estimation for each node type.
48:54 - Elasticsearch strength and limitations.
53:22 - Practical number of healthy setup.

Author: Dmitry Kaliada

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LinkedIn:   / dmitriy-kalyada-648aa538  

#Elasticsearch #FreeTextSearch #Indexing #SearchEngine #InformationRetrieval