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Skill Topic ยท Cinematic

๐Ÿ“˜ MongoDB โ€” Sharding

Horizontal scaling โ€” data ko split karo multiple servers pe! ๐Ÿ“Š

Overview
๐ŸŒŸ

๐Ÿ“˜ MongoDB โ€” Sharding โ€” Quick Facts

๐Ÿ“Œ

Feature: Ranged

๐ŸŽฏ

Distribution: Uneven possible

โšก

Range queries: Efficient โœ…

๐Ÿ”‘

Monotonic keys: Hotspot! โŒ

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 1. Sharding Kya Hai?

๐Ÿ“š ` Vertical Scaling (Scale Up): โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ BIGGER SERVER โ”‚ โ† More RAM, CPU, Diskโ€ฆ
Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 2. Sharded Cluster Architecture

๐Ÿ’ก ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ APPLICATION โ”‚โ€ฆ
Topic 3
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 3. Shard Key

๐ŸŽฏ `javascript // โ•โ•โ• Shard key = data ko kaise split karein โ•โ•โ• // Collection ko shardโ€ฆ
Topic 4
โœจ

๐Ÿ“Œ 4. Comparison: Ranged vs Hashed

โญ | Feature | Ranged | Hashed | |---------|--------|--------| | Distribution | Unevenโ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 5. Chunks & Balancer

๐Ÿ”‘ ` Data Chunks: โ€ข Default chunk size: 128 MB (configurable) โ€ข Data split into chunks basedโ€ฆ
Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 6. Setup Sharded Cluster

โœจ `bash โ•โ•โ• Step 1: Start config servers (replica set) โ•โ•โ• mongod --configsvr --replSetโ€ฆ
Topic 7
๐Ÿ”’

๐Ÿ“Œ 7. Query Routing

๐ŸŒŸ ` Targeted Query (efficient): mongos โ†’ knows shard key โ†’ sends to 1 shard only!โ€ฆ
Topic 8
๐Ÿš€

๐Ÿ“Œ 8. Operations on Sharded Collections

๐Ÿš€ `javascript // โ•โ•โ• Inserts โ•โ•โ• // Must include shard key! db.users.insertOne({ name:โ€ฆ
Topic 9
๐Ÿ“š

๐Ÿ“Œ 9. Zones (Tag-Aware Sharding)

๐Ÿ“š `javascript // โ•โ•โ• Data ko specific shards pe force karo โ•โ•โ• // Use case: geo-complianceโ€ฆ
Topic 10
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 10. Choosing Shard Key โ€” Best Practices

๐Ÿ’ก ` Shard Key Selection criteria: โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ GOODโ€ฆ
Topic 11
๐Ÿ”’

๐Ÿ“Œ 11. Monitoring & Maintenance

๐ŸŽฏ `javascript // โ•โ•โ• Cluster status โ•โ•โ• sh.status() // Prints: shards, databases,โ€ฆ
Topic 12
โญ

โœ… Summary

โญ KEY POINTS: - Sharding = horizontal scaling, data across multiple servers - Architecture:โ€ฆ
Comparison
โœจ

๐Ÿ“Œ 4. Comparison: Ranged vs Hashed

โš–๏ธ

Distribution: Uneven possible

โš–๏ธ

Range queries: Efficient โœ…

โš–๏ธ

Monotonic keys: Hotspot! โŒ

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“˜ MongoDB โ€” Sharding ka sabse sahi definition kya hai?

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 2

๐Ÿ“˜ MongoDB โ€” Sharding ka 'Distribution' kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“˜ MongoDB โ€” Sharding Complete!

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