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There is also SlateDB, another work in progress take on this. HN link: https://news.ycombinator.com/item?id=41714858 https://news.ycombinator.com/item?id=417148

• maxmcd 2y ago
  Yeah I think it's very interesting to compare the two. SlateDB expects a single writer and fences writes. This means you can make some serious savings on S3 costs because you're using S3 for consistency but you're batching writes. GlassDB is much more accessible for smaller volume workloads, but gets very costly for high volume because of requests to S3 per-transaction. In-turn the consistency model is easier to reason about because the system is entirely stateless.