The write-ahead log is everywhere. Yet, many people miss it and are not aware of it. The simple idea powers databases, messaging systems, and distributed systems. I discussed in #ArchitectureWeekly why it's important on PostgreSQL, Kafka, MongoDB examples www.architecture-weekly.com/p/the-write-... - ThreadSky

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oskardudycz.bsky.social • 87 days ago

The write-ahead log is everywhere. Yet, many people miss it and are not aware of it. The simple idea powers databases, messaging systems, and distributed systems. I discussed in #ArchitectureWeekly why it's important on PostgreSQL, Kafka, MongoDB examples

https://www.architecture-weekly.com/p/the-write-ahead-log-a-foundation

Comments

oskardudycz.bsky.social•87 days ago

...and yes, it's Saturday, not Monday, but I was sloppy and hit the send button instead of schedule 🤦‍♂️But at least you have a good weekend read! 😎

stthtreevie.bsky.social•87 days ago

Writing ahead about the write ahead log. I think you did this on purpose 😉

oskardudycz.bsky.social•85 days ago

haha 😆 Sounds like subconsciously I did a sneaky move 😆

jeffrygonzalez.dev•87 days ago

It's def. one of those topics that I just assume (wrongly) everyone knows about, but often don't. It's a win that so much is abstracted away now for many developers, but digging in a little deeper has great rewards.

oskardudycz.bsky.social•85 days ago

Definitely, I think that people take it as some "edge-case'y infastructure pattern". But it's not, in event-driven applications and Event Sourcing, you can use it, to record the state of your multi-step business process ensuring that even if some step fails you can recover and get a good tracing

marcdepalol.bsky.social•84 days ago

Write-ahead logs are great, I'm a big fan. It's a very simple concept which provides great benefits.

I wrote a blog post about them some time ago, along with a simple educational implementation (https://surviving-software-architecture.ghost.io/write-ahead-logging/)

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