SlateDB

SlateDB is an embedded storage engine that uses a log-structured merge-tree design and writes everything to cloud object storage. You include it as a library in your Rust applications, and it handles data storage through services like S3 or Google Cloud Storage.

The main advantage is unlimited storage capacity. Cloud storage can hold any amount of data without you managing servers or disks. It also provides automatic backups and can handle multiple readers at once, though only one writer at a time.

The trade-off is slightly higher response times compared to local disk storage. Write operations typically take 50-100 milliseconds. This makes SlateDB perfect for applications where cost and reliability matter more than ultra-fast response times.

• Cloud-native embedded database for Rust applications

• Unlimited storage through S3, GCS, Azure Blob

• Single writer with multiple concurrent readers

• Batched writes reduce API costs

• Configurable durability and latency trade-offs

• Built-in compression and caching

• Transaction support with snapshots

• Garbage collection and compaction

• Open source Apache 2.0 license

• Active community and regular updates