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Intermediate10 min readPerformance & Scaling

Data Compression

Compressing storage sizes and API transfers using fast algorithms (Snappy, Gzip, ZSTD).

What you'll learn

  • Cache Invalidation Policies
  • Decoupled Message Queues
  • Dynamic Load Distribution

TL;DR

Compressing storage sizes and API transfers using fast algorithms (Snappy, Gzip, ZSTD).

Visual System Topology

Data Compression Dynamic Load Scaling

Auto-Scaling Load Balancer Monitoring Latency / RPS
Worker Node 1 Healthy · 35%
Worker Node 2 Healthy · 42%
Worker Node 3 Dormant / Off

Concept Overview

Data Compression is an optimization and scaling pattern engineered to optimize latency, distribute heavy client traffic, and prevent processing bottlenecks under high-volume spikes. Compressing storage sizes and API transfers using fast algorithms (Snappy, Gzip, ZSTD).

As systems scale, simple single-server architectures break down. The key to handling millions of concurrent users lies in distributed optimization: caches to shield slow databases, load balancers to distribute compute resources, and messaging queues to process transactions asynchronously. Designing this layer correctly protects systems from crashing during viral traffic events.

Key Architectural Pillars

1

Cache Invalidation Policies

Managing cache correctness when master database updates occur, preventing stale client reads.

Example: Write-Through, Write-Back, and Cache-Aside strategies.
2

Decoupled Message Queues

Piping event streams asynchronously to absorb high traffic peaks and guarantee backend durability.

3

Dynamic Load Distribution

Deploying intelligent reverse proxies to split load equally across pools of stateless app servers.

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Data Compression - Module 4: Performance & Scaling | System Design | Revise Algo