DEV Community

#systemdesign

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
How We Scaled to 1 Million Connections — and the Silent Kernel Bug That Almost Broke It

How We Scaled to 1 Million Connections — and the Silent Kernel Bug That Almost Broke It

Comments
6 min read
How ChatGPT Serves 900 Million Users at a Time

How ChatGPT Serves 900 Million Users at a Time

20
Comments 1
7 min read
Too Many Req: A Bucket List Guide to Building a Rate Limiter

Too Many Req: A Bucket List Guide to Building a Rate Limiter

14
Comments
9 min read
When Servers Aren't the Problem: The Database Bottleneck

When Servers Aren't the Problem: The Database Bottleneck

2
Comments
9 min read
You Might Not Need Kafka: Building a Job Queue with PostgreSQL

You Might Not Need Kafka: Building a Job Queue with PostgreSQL

Comments
4 min read
Designing Permission Boundaries for Autonomous AI Agents in the Enterprise

Designing Permission Boundaries for Autonomous AI Agents in the Enterprise

1
Comments
4 min read
Designing Reliable Jellyfin Voice Control with Identity Contracts

Designing Reliable Jellyfin Voice Control with Identity Contracts

Comments
7 min read
ByteByteGo in 2026: Is It Still Worth It for System Design Interview Prep?

ByteByteGo in 2026: Is It Still Worth It for System Design Interview Prep?

13
Comments
10 min read
Reversal Architecture in Distributed Financial Systems: Compensation, Liability, and Irreversible Side Effects

Reversal Architecture in Distributed Financial Systems: Compensation, Liability, and Irreversible Side Effects

Comments
11 min read
# Apache Kafka and Confluent

# Apache Kafka and Confluent

Comments
5 min read
Postgres vs Redis, Mongo, and RabbitMQ: Do You Really Need All Four?

Postgres vs Redis, Mongo, and RabbitMQ: Do You Really Need All Four?

Comments
8 min read
HLD: Notification System

HLD: Notification System

1
Comments
3 min read
Designing a User Online/Offline Presence System: From Naive Polling to Redis TTLs

Designing a User Online/Offline Presence System: From Naive Polling to Redis TTLs

Comments 1
6 min read
HLD: URL Shortener (like bit.ly)

HLD: URL Shortener (like bit.ly)

Comments 2
3 min read
How Netflix Doesn't Crash During Peak Hours (Cloud Concepts) ! 😱

How Netflix Doesn't Crash During Peak Hours (Cloud Concepts) ! 😱

Comments
3 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.