Cachey
High-performance read-through cache for object storage.
Simple HTTP API
Hybrid memory + disk cache powered by foyer
Designed for caching immutable blobs
Works with any S3-compatible backend, but has its own /fetch API requiring a precise Range
API requiring a precise Fixed page size (16 MiB) – maps requested byte range to page-aligned lookups
Coalesces concurrent requests for the same page
Makes hedged requests to manage tail latency of object storage
Can attempt redundant buckets for a given object
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