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This is great. I'm going to use this with something I'm working on. The edge behavior is just what I need.

When you say limitations are a "relatively small number of clients need to share some state over a relatively short period of time," I read in another comment about a dozen or so clients, but what about the time factor? Can it be on the order of hours?

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> but what about the time factor? Can it be on the order of hours?

So far I’ve focused on use cases where clients are online for overlapping time intervals. When all the clients go offline, Cloudflare will shut down the worker after some period and the replay ability will be lost. The core data structure is designed such that it could be stored in the Durable Object storage Cloudflare provides, but I haven't wired it up yet.

That works perfectly for what I'm using it for. Thanks for building this!

One more thought - any consideration of hooking this to Cloudflare's queue? Then you could optionally connect another worker to that and e.g. persist everything in their D1 SQLite database.

I haven’t looked at the queue specifically, but Durable Objects have a nice key/value storage mechanism that happens to map nicely. It would take a bit of munging to make it work for a stream instead of a single value, but I have a design in mind.

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