Index Basics

Collection of Documents

💡 Index, EK, "FILING, CABINET, KA, DRAWER", jaisa, hai — SIMILAR, DOCUMENTS, EK, hi, DRAWER, mein, RAKHE, jaate, HAIN taaki, DHOONDHNA, EASY, ho.

Elasticsearch, mein, "Index" EK, COLLECTION, hai, of, DOCUMENTS, JO, SIMILAR, CHARACTERISTICS, share, karte, HAIN — YE, EK, RELATIONAL, DATABASE, mein, "TABLE" ke, EQUIVALENT, hai, LEKIN, SCHEMA, MORE, FLEXIBLE, hota hai.

Index, NAMES, LOWERCASE, HONE, CHAHIYE, — TIME-SERIES, DATA, ke, liye, aksar, DATE-BASED, naming, (jaise, "logs-2026.01.15") use, hoti, hai.

curl -X PUT "localhost:9200/products"

📦

Index, EK, "FILING, CABINET, KA, DRAWER", jaisa, hai — SIMILAR, DOCUMENTS, EK, hi, DRAWER, mein, RAKHE, jaate, HAIN taaki, DHOONDHNA, EASY, ho.

1 / 2

⚡ Quick Recap

Index = documents ka collection, RDBMS ki "table" jaisa
Index names lowercase honi chahiye, special characters allowed nahi
ILM se time-based indices automatically rollover/delete ho sakte hain

On this page (2 subtopics)

# Ek index create karo
curl -X PUT "localhost:9200/products"

Index, NAMES, LOWERCASE, HONE, CHAHIYE, (koi, uppercase, letters, NAHI), aur, SPECIAL, characters, jaise, "\ / * ? " < > | space" NAHI, use, kiye, ja, sakte, — TIME-SERIES, DATA, ke, liye, aksar, DATE-BASED, naming, (jaise, "logs-2026.01.15") use, hoti, hai.

💡Tip: Index, Lifecycle, Management, (ILM) time-based, indices, ko, AUTOMATICALLY, ROLLOVER, DELETE, ya, ARCHIVE, karne, ke, liye, USE, hota hai — LOGS, jaise, EVER-GROWING, DATA, ke, liye, ESSENTIAL, hai.

← Previous🧩 Node Roles Next →🔤 Mapping & Field Types

Code10x

Index Basics

An Index is Like a Database Table

Index Naming and Lowercase Requirement