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What If Adding Auth to Your App Took One Command? (Sponsored)
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npx workos launches an AI agent, powered by Claude, that reads your project, detects your framework, and writes a complete auth integration directly into your existing codebase. It’s not a template generator. It reads your code, understands your stack, and writes an integration that fits.
Then it typechecks and builds, feeding any errors back to itself to fix. Just run npx workos, from WorkOS.
This week’s system design refresher:
What Is Redis Really About? Why Is It So Popular? (Youtube video)
RabbitMQ vs Kafka vs Pulsar
What Are Agent Skills Really About? (Youtube video)
REST vs GraphQL
LAST CALL FOR ENROLLMENT: Become an AI Engineer - Cohort 4
What Is Redis Really About? Why Is It So Popular?
RabbitMQ vs Kafka vs Pulsar
RabbitMQ, Kafka, and Pulsar all move messages, but they solve very different problems under the hood.
This diagram looks simple, but it hides three very different mental models for building distributed systems.
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RabbitMQ is a classic message broker. Producers publish to exchanges, exchanges route messages to queues, and consumers compete to process them.
Messages are pushed, acknowledged, and then gone. It’s great for task distribution, request handling, and workflows where “do this once” really matters.
Kafka flips the model. It’s not a queue, it’s a distributed log. Producers append events to partitions. Data stays there based on retention, not consumption. Consumers pull data using offsets and can replay everything.
This is why Kafka works so well for event streaming, analytics, and pipelines where multiple teams need the same data at different times.
Pulsar tries to combine both worlds. Brokers handle serving traffic, while BookKeeper stores data in a durable ledger. Consumers track position with cursors instead of offsets.
This separation lets Pulsar scale storage and compute independently and support both streaming and queue-like patterns.
Choosing between them isn’t about “which is faster” or “which is popular.” It’s about how you want data to flow, how long it should live, and how many times it needs to be read.
New Relic Advance 2k26: Start your superhuman era (Sponsored)
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Join us on February 24, 2026 (AMER) / February 25, 2026 (EMEA & APJ) for a free live webinar where we’ll unveil how Intelligent Observability can help you build smarter automations. During the event, you’ll see our new agentic platform in action—an essential tool if you’re working with AI Agents. We’ll also share key updates on our innovations in APM, Infrastructure, and the latest advancements in OpenTelemetry support. This is your opportunity to explore cutting-edge solutions designed to empower your work and streamline your operations.