Just put together this new demo–an app that visualizes the execution of a durable workflow, showing you what code executes in its backend and how it seamlessly recovers from failures. Would love feedback on it! What works and what isn’t clear? - ThreadSky

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petereliaskraft.net • 7 days ago

Just put together this new demo–an app that visualizes the execution of a durable workflow, showing you what code executes in its backend and how it seamlessly recovers from failures.

Would love feedback on it! What works and what isn’t clear?

Comments

maelp.bsky.social•6 days ago

Very cool! I'm quite interested in your solution! How would you say that it compares to Inngest, and why would I choose one or the other?

petereliaskraft.net•6 days ago

The big difference is that DBOS is lightweight. It's a library you can install into any program. By contrast, Inngest/Temporal/etc require you to set up an external workflow server to orchestrate your code. More detail in this post: https://www.dbos.dev/blog/what-is-lightweight-durable-execution

maelp.bsky.social•6 days ago

While you're here, just a tiny question, "durable orchestrator" claims that their workflows can run to completion exactly once depends on the steps (theoretically) not having side-effects no?

Example: my step does a payment to an account (+10$), it completes but then the message to the ...

maelp.bsky.social•6 days ago

... orchestrator to indicate completion fails to be received (network error, or orchestrator crashed). Next time the orchestrator is up again, it's going to resume the "send money" method and... send $10 again, right?

So we still have to build idempotent methods for this to work, right?

petereliaskraft.net•5 days ago

Yeah, methods still have to be idempotent. To be precise, DBOS guarantees steps are tried at least once but are never re-executed after they complete. Some more detail in the docs: https://docs.dbos.dev/explanations/how-workflows-work

maelp.bsky.social•6 days ago

Thanks!

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