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Intermediate12 min readData Processing Systems

Data Lakes

Storing raw, unstructured, and semi-structured datasets at Petabyte scales cheaply.

What you'll learn

  • Architectural Abstraction
  • Fault Containment Bounds
  • Stateless Service Workers

TL;DR

Storing raw, unstructured, and semi-structured datasets at Petabyte scales cheaply.

Visual System Topology

Data Lakes Execution Topology

Inbound Node Ingests request
Data Lakes Engine Processes operations
Target Replica Updates state

Concept Overview

Data Lakes is a key architectural blueprint and system pattern designed to solve structural distributed system challenges. Storing raw, unstructured, and semi-structured datasets at Petabyte scales cheaply.

Architecting scalable, resilient systems is the primary objective of system design. Software architects must select correct design patterns to decouple compute tiers, establish reliable datastores, implement low-latency caches, and coordinate state updates safely. Understanding the exact mechanical behaviors of Data Lakes allows you to make informed decisions that ensure your production platform scales reliably to handle massive traffic.

Key Architectural Pillars

1

Architectural Abstraction

Decoupling implementation interfaces to ensure Data Lakes can evolve independently without breaking clients.

2

Fault Containment Bounds

Isolating failures within decoupled service borders to stop cascading crashes during database overloads.

Example: Circuit breaker throttles.
3

Stateless Service Workers

Designing app instances that do not save active session states locally, enabling perfect horizontal scale.

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Data Lakes - Module 6: Data Processing Systems | System Design | Revise Algo