Wiki Article · Cinematic

Elasticsearch Schema Design

Elasticsearch schema design (officially mapping kehlata hai) wo process hai jisme decide karte hain…

Overview

Elasticsearch Schema Design — Quick Facts

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Property: Detail

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Topic: Elasticsearch Schema Design

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ES Official Term: Mapping

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Category: Database Design / Search Engine…

Topic 1

Kya Hai Schema Design

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Mapping define karta hai ke index…

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Har field ka data type kya hai…

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Fields ko kaise analyze karna hai…

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Kaunse fields searchable,…

Topic 2

Dynamic vs Explicit Mapping

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dynamic: true — new fields…

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dynamic: false — new fields stored…

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dynamic: "strict" — new fields…

Topic 3

Field Types

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ID fields ko text type dena →…

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Price ko text dena → sorting wrong…

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Tags ko text dena → "New York" two…

Topic 4

Analyzers aur Text Processing

📐 Analyzer = text field ko search-ready tokens me convert karne ka process: `mermaid…

Topic 5

Multi-Fields

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Same field text type (full-text…

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Same field standard analyzer +…

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Field: product_name

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product_name (text, standard…

Topic 6

Nested vs Object

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Inner objects flat store hote hain…

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Example: Products with variants

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Variant 1: {color: "red", size:…

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Variant 2: {color: "blue", size:…

Topic 7

Denormalization Strategy

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Users table: {user_id, user_name}

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Orders table: {order_id, user_id,…

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Dono join karke result

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Orders index: {order_id, user_id,…

Topic 8

Templates aur Component Templates

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Pattern-based mapping — logs-*…

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New index create hote hi template…

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Reusable building blocks — ek…

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Multiple index templates ek hi…

Topic 9

Schema Evolution

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Add new fields — existing mapping…

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Add multi-fields to existing field

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Change dynamic setting…

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Add new analyzers (but can't…

Topic 10

Anti-Patterns

✏️ | Anti-Pattern | Problem | Better Approach | |---|---|---| | Dynamic mapping in…

Topic 11

Best Practices

🖌️ 1. Explicit mapping always — dynamic mapping sirf dev/prototyping me 2. dynamic: strict…

Comparison

Dynamic vs Explicit Mapping

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Kya Hai: Elasticsearch auto-detect…

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Setup: Zero setup — just start indexing

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Type Accuracy: Often wrong — "123" ko…

Comparison

Nested vs Object

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Storage: Flat arrays (fields merged)

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Correlation: Lost

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Query: Normal queries

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Elasticsearch Schema Design ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Elasticsearch Schema Design ka 'Topic' kya hai?

Complete! 🎉

Elasticsearch Schema Design Complete!

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