SlateDB is a newly open-sourced, cloud-native embedded storage engine built as a log-structured merge-tree (LSM tree) on object storage like S3 and GCS. It is designed for use cases such as stateful stream processing and serverless functions, offering bottomless storage capacity and high durability at the cost of higher latency and API costs. The project has been well-received with significant community contributions and is licensed under Apache 2.0. Future plans include adding features like on-disk and in-memory caches, snapshots, and range queries.
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