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Benchmarking Commit Logs

In this article, we look at Apache Kafka and NATS Streaming, two messaging systems based on the idea of a commit log. We’ll compare some of the features of both but spend less time talking about Kafka...

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Building a Distributed Log from Scratch, Part 1: Storage Mechanics

The log is a totally-ordered, append-only data structure. It’s a powerful yet simple abstraction—a sequence of immutable events. It’s something that programmers have been using for a very long time,...

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Building a Distributed Log from Scratch, Part 2: Data Replication

In part one of this series we introduced the idea of a message log, touched on why it’s useful, and discussed the storage mechanics behind it. In part two, we discuss data replication. We have our log....

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Building a Distributed Log from Scratch, Part 3: Scaling Message Delivery

In part two of this series we discussed data replication within the context of a distributed log and how it relates to high availability. Next, we’ll look at what it takes to scale the log such that it...

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Building a Distributed Log from Scratch, Part 4: Trade-Offs and Lessons Learned

In part three of this series we talked about scaling message delivery in a distributed log. In part four, we’ll look at some key trade-offs involved with such systems and discuss a few lessons learned...

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Building a Distributed Log from Scratch, Part 5: Sketching a New System

In part four of this series we looked at some key trade-offs involved with a distributed log implementation and discussed a few lessons learned while building NATS Streaming. In this fifth and final...

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Introducing Liftbridge: Lightweight, Fault-Tolerant Message Streams

Last week I open sourced Liftbridge, my latest project and contribution to the Cloud Native Computing Foundation ecosystem. Liftbridge is a system for lightweight, fault-tolerant (LIFT) message...

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Liftbridge 1.0

Liftbridge has evolved a lot since making the first commit in October 2017, but the vision has remained the same: provide a message-streaming solution with a focus on simplicity and usability. This is...

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