Elasticsearch (EN)

e-kurz

Kurzem Vás provede Luděk Veselý

Základní info

Description

This course will teach you how to develop a search engine and master big data using Elasticsearch. You will learn how to store and retrieve data in Elasticsearch, how to use it for log processing and data visualization. During the course, each topic is practiced. Before the course, participants will receive materials in electronic form, so they can get back to the topics discussed at any time.

Target

The course is designed for everyone interested in Elasticsearch and its possibilities in the field of full-text search, storage of large amounts of data, and logs analysis.

Introduction to Elasticsearch

What is Elasticsearch
Basic terminology
Basic commands

Mapping and types

Data types, mapping
Dynamic mapping
Index templates
Aliases and reindex API
Bulk edit and delete operations
Nested objects

Query string
Queries vs filters
Request body search
Term-level queries
Compound queries
Fulltext queries
Inverted index
Analyzers
Custom analyzers
Partial match (typos, suggesters), synonyms
search results sorting, relevance

Aggregation

Aggregations basics
Bucket aggregations
Metric aggregations
Pipeline aggregations
Visualization of aggregations using Kibana

Scripting

Scripting basics, painless syntax
Scripted fields
Using scripts for sorting
Scripting in Kibana (scripted fields)

Elastic Stack

Elastic Stack
Data visualisation - Kibana
Data collection - Logstash, Beats
Configuration for production use, backup, monitoring

Prerequisites

Knowledge of any database system, basic knowledge of HTTP protocol and JSON format. The course does not require any prerequisite knowledge.

Study Materials

Each participant will receive the documents in electronic form.

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