Wiki Article · Cinematic

Application cache

Application cache ka simple meaning: app apne frequently-used data ko temporarily memory (ya fast…

Overview

Application cache — Quick Facts

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Field: Value

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Type: Performance/caching technique

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Scope: Application-level (inside app or…

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Primary goal: Faster reads + reduced backend load

Topic 1

Overview

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Database: source of truth…

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Cache: fast copy/shortcut, jo…

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Cache hit: data cache me mil gaya…

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Cache miss: data cache me nahi…

Topic 2

Why it matters

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Speed: users ko fast page/app…

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Scalability: same hardware par…

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Stability: DB overload ka risk kam…

Topic 3

How it works (conceptual)

🎯 Simple read flow: 1) App request aata hai 2) App cache key banati hai 3) Cache me check…

Topic 4

Types of application cache

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Cache app ke process memory me…

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Pros: very fast.

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Cons: app restart par cache wipe;…

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Cache ek shared component hota hai…

Topic 5

Cache keys & TTL

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Stable + deterministic

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Tenant-aware (multi-tenant systems…

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Sensitive info directly key me mat…

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TTL define karta hai cache item…

Topic 6

Consistency & invalidation

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Jab many requests same time par…

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Mitigation examples: request…

Topic 7

Security & privacy

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Sensitive data cache karne se…

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Multi-tenant systems me key-space…

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Access controls: cache access sirf…

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Logs me cached payload dump mat…

Topic 8

Performance considerations

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Serialization/deserialization cost.

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Memory pressure: eviction + OOM…

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Hot keys: ek key par heavy traffic.

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TTL tuning: traffic patterns ke…

Topic 9

Common mistakes

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Key design weak…

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Invalidation plan nahi.

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TTL blindly set kar dena.

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Cache me secrets/PII store karna.

Topic 10

Glossary

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Cache: temporary fast storage.

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Cache hit: value cache se mil gayi.

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Cache miss: value cache me nahi…

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TTL: time-to-live (expiry time).

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Application cache ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Application cache ka 'Type' kya hai?

Complete! 🎉

Application cache Complete!

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