Show HN: Tag: Open-source NVMe cache for object storage

Category: infrastructure

Tags: s3-cache, object-storage, proxy

Score: 7.0/10 (Innovation: 6, Technical: 8, Documentation: 8, Utility: 6)

Tag is a high-performance S3-compatible caching proxy for Tigris object storage, using an embedded RocksDB cache with request coalescing to reduce upstream load and improve latency. It offers transparent proxying, range request caching, and Kubernetes support, making it interesting for optimizing object storage access in AI/ML and data-heavy workflows.

Target audience: backend devs, devops, data engineers

Repository: https://github.com/tigrisdata/tag · Go · Apache-2.0

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