Robina Li

System Design Blog - Exploring scalable system architectures, distributed systems, and design patterns for technical interviews

Exploring scalable system architectures, distributed systems, and design patterns for technical interviews

🚀 Start Your Learning Journey

Navigate through our comprehensive learning path with organized guides, technology trees, and sample system designs.

System Design Learning Path & Technology Index

A comprehensive learning path and technology index for system design interviews. Navigate from fundamentals to advanced topics with organized guides, technology trees, and sample designs.

Explore Learning Path →

Latest Posts

View All →

Design a Distributed Logging System with PII Masking and Fast Queries - System Design Interview

A comprehensive guide to designing a distributed logging system that masks PII (Personally Identifiable Information), supports top-k exception queries, and enables fast multi-field queries, covering log ingestion, storage, indexing, PII detection and masking, exception tracking,...
System DesignInterview ExampleDistributed SystemsLoggingData PrivacyObservabilitySearch SystemsStream Processing
Read more →

Design a Configuration Service with LRU Cache - System Design Interview

A comprehensive guide to designing a centralized configuration service with LRU cache that distributes configuration data to multiple microservices, covering configuration management, caching strategies, change propagation, versioning, and architectural patterns for handling millions of configuration...
System DesignInterview ExampleDistributed SystemsCachingMicroservicesConfiguration Management
Read more →

Browse by Category

ACID
2 post2
AI/ML
1 post1
API
1 post1
API Design
1 post1
AR
2 post2
AR Glass
1 post1
AWS
3 post3
Algorithms
3 post3
Analytics
7 post7
Analytics Database
2 post2
Android
7 post7
Apache Airflow
1 post1
Apache Avro
1 post1
Apache Beam
1 post1
Apache Druid
1 post1
Apache Flink
1 post1
Apache Hive
1 post1
Apache Ignite
1 post1
Apache Kafka
1 post1
Apache NiFi
1 post1
Apache Parquet
1 post1
Apache Phoenix
1 post1
Apache Pinot
1 post1
Apache Pulsar
1 post1
Apache Samza
1 post1
Apache Spark
1 post1
Apache Storm
1 post1
Apache Thrift
1 post1
Apache Zookeeper
1 post1
Architecture
9 post9
Atomicity
1 post1
Authentication
1 post1
Backend Engineering
1 post1
Batch Processing
1 post1
Best Practices
1 post1
Big Data
7 post7
Book Review
1 post1
Buffer Systems
1 post1
Build Systems
1 post1
C++
1 post1
C/C++
1 post1
CAP Theorem
1 post1
CDN
1 post1
CQRS
1 post1
Caching
5 post5
Cassandra
2 post2
Checklist
1 post1
Class Design
1 post1
ClickHouse
1 post1
Client Systems
1 post1
Client-Side
1 post1
Cloud
3 post3
Cloud Storage
1 post1
Collaboration
1 post1
Column-Oriented
2 post2
Columnar Storage
1 post1
Concurrency
5 post5
Configuration Management
2 post2
Consensus
1 post1
Consistency
1 post1
Consul
1 post1
Container Orchestration
2 post2
Containerization
1 post1
Content Delivery
2 post2
Coordination
2 post2
Cross-Language
1 post1
DLQ
1 post1
Data Engineering
1 post1
Data Flow
1 post1
Data Format
1 post1
Data Integration
1 post1
Data Modeling
2 post2
Data Pipeline
1 post1
Data Privacy
1 post1
Data Processing
2 post2
Data Serialization
1 post1
Data Structures
2 post2
Data Systems
1 post1
Data Warehouse
1 post1
Database
14 post14
Database Design
1 post1
Database Replication
1 post1
Database Systems
1 post1
Deployment
4 post4
Design Patterns
1 post1
DevOps
4 post4
Developer Tools
1 post1
Device Management
1 post1
Distributed Cache
1 post1
Distributed Databases
1 post1
Distributed Systems
57 post57
Docker
1 post1
Document Database
1 post1
Domain Design
1 post1
DynamoDB
1 post1
E-commerce
5 post5
ETL
2 post2
Edge Computing
3 post3
Elasticsearch
1 post1
Embedded Systems
2 post2
Entity Relationships
1 post1
Error Handling
1 post1
Event Streaming
1 post1
Event Tracking
1 post1
Event-Driven
1 post1
Feed Generation
1 post1
File Systems
1 post1
Financial Systems
1 post1
Fintech
2 post2
Fraud Detection
1 post1
Game Development
1 post1
Game Engine
1 post1
Gaming
6 post6
Geospatial Systems
1 post1
Graph Database
1 post1
GraphQL
1 post1
Grid Computing
1 post1
HBase
2 post2
Hashing
1 post1
High Availability
1 post1
High-Throughput Systems
3 post3
Home Automation
1 post1
I/O Systems
1 post1
IDE
1 post1
In-Memory
3 post3
In-Memory Computing
1 post1
In-Memory Systems
1 post1
InfluxDB
1 post1
Infrastructure
2 post2
Infrastructure as Code
1 post1
Intensive Prep
1 post1
Interview Example
61 post61
Interview Preparation
25 post25
Interview Questions
6 post6
Interview Strategy
1 post1
Inventory Management
1 post1
IoT
3 post3
JNI
1 post1
Kafka
2 post2
Key-Value Store
1 post1
Kubernetes
2 post2
Learning Path
1 post1
Load Balancer
2 post2
Local Caching
1 post1
Local Systems
3 post3
Location-Based Services
1 post1
Logging
2 post2
Low-Level Design
2 post2
Machine Learning
1 post1
Matchmaking
1 post1
Memcached
1 post1
Memory Efficiency
1 post1
Memory Management
1 post1
Message Queue
5 post5
Message Queues
1 post1
Messaging
3 post3
Metrics
1 post1
Microservices
6 post6
Mobile Applications
1 post1
MongoDB
1 post1
Monitoring
2 post2
MySQL
1 post1
NDK
1 post1
NGINX
1 post1
NLP
1 post1
Native Libraries
1 post1
Native Systems
1 post1
Neo4j
1 post1
Networking
2 post2
NoSQL
9 post9
Non-Distributed
1 post1
Non-Distributed Systems
8 post8
OA
1 post1
OLAP
3 post3
OS Frameworks
13 post13
OS Internals
2 post2
Object Storage
1 post1
Object-Oriented Design
3 post3
Object-Oriented Modeling
1 post1
Observability
2 post2
Offline-First
1 post1
Operating Systems
5 post5
Performance
3 post3
Performance Optimization
3 post3
Persistence
1 post1
PostgreSQL
2 post2
Practice
1 post1
Product Design
1 post1
Prometheus
1 post1
Queue Management
1 post1
Queue Systems
1 post1
Quick Reference
7 post7
RPC
2 post2
RabbitMQ
2 post2
Rating Systems
1 post1
Real-Time
3 post3
Real-Time Analytics
1 post1
Real-Time Systems
3 post3
Real-time Collaboration
1 post1
Real-time Systems
11 post11
Redis
4 post4
Reference
1 post1
Reference Guide
1 post1
Relational Database
2 post2
Relational Modeling
1 post1
Reporting
1 post1
Resource Management
1 post1
Resources
1 post1
Reverse Proxy
1 post1
S3
2 post2
SQL
6 post6
SQS
1 post1
Scheduling
1 post1
Schema Evolution
1 post1
Search Engine
1 post1
Search Systems
2 post2
Security
2 post2
Senior Engineer
3 post3
Service Discovery
1 post1
Session Management
1 post1
Single-Machine Systems
1 post1
Smart Glass
1 post1
Smart Glasses
1 post1
Smart Home
1 post1
Social Media
8 post8
Sorting
1 post1
SpecSWE
1 post1
State Management
3 post3
Storage
1 post1
Storage Systems
3 post3
Stream Processing
5 post5
Streaming
2 post2
Streaming Systems
1 post1
Study Guide
8 post8
Study Plan
3 post3
System Architecture
2 post2
System Design
135 post135
Task Scheduling
1 post1
Technologies
1 post1
Technology
52 post52
Technology Comparison
2 post2
Terraform
1 post1
Theory
1 post1
Thread Safety
1 post1
Threading
1 post1
Time-Series
1 post1
Time-Series Database
1 post1
TimescaleDB
1 post1
Todo List
1 post1
Trade-offs
1 post1
Transactions
2 post2
Tutorial
6 post6
Use Cases
4 post4
User-Generated Content
1 post1
Video Processing
2 post2
Video Streaming
3 post3
Voice Control
1 post1
Web Crawling
2 post2
Web Development
2 post2
Web Scraping
2 post2
Web Server
1 post1
WebSocket
1 post1
Workflow Orchestration
1 post1
ai
1 post1
android
1 post1
api-gateway
1 post1
architecture
14 post14
best-practices
2 post2
cloud
1 post1
communication-protocols
1 post1
comparison
1 post1
devtools
1 post1
edge-ml
1 post1
embedded
2 post2
etcd
1 post1
fintech
1 post1
framework
1 post1
frameworks
1 post1
gRPC
1 post1
graphql
1 post1
grpc
1 post1
guide
2 post2
interview
1 post1
interview-preparation
1 post1
iot
1 post1
media
1 post1
methodology
1 post1
mqtt
1 post1
networking
1 post1
observability
1 post1
preparation
1 post1
problem-solving
1 post1
protocols
1 post1
realtime
1 post1
reliability
1 post1
rest
1 post1
scalability
1 post1
social
1 post1
sse
1 post1
system-design
16 post16
wearables
1 post1
websocket
1 post1

About This Blog

This blog covers system design concepts, interview preparation guides, and real-world architecture patterns. Whether you're preparing for technical interviews at companies like Meta, Google, or Robinhood, or looking to deepen your understanding of distributed systems, you'll find valuable insights here.