1/ Mostly just trolling @posco, but the interesting thing about Redis streams (http://antirez.com/news/114 ) is that you could now build...
2/ ... a @summingbird-like system using Redis as the only stateful service and RPC protocol, which would dramatically ease deployment;
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3/ ... it would also have dramatically worse correctness properties, but that's not always the thing you need to optimize for.
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A very real and underserved use case. I've been if something like this exists a bunch of times, and I still don't have a great answer.
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Literally the best answer I've been able to come up with is "run a single Kafka broker and accept that it's a SPOF".
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The worry with going all Redis is that you will inevitably have some dropped messages. But there are lots of applications where that's fine.
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Yeah, and I suspect the "wants minimal deployment costs" and "is ok with a small amount of message loss" groups have a decent amount of overlap.
End of conversation
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