Module disk_cache 

Disk-based cache storage backend

Implements Pingora’s Storage trait using the local filesystem. Each cached response is stored as a pair of files (.meta + .body) distributed across sharded subdirectories to keep per-directory inode counts manageable.

Directory layout

<base_path>/
  shard-00/
    <2-char-hex-prefix>/
      <combined-hex-hash>.meta
      <combined-hex-hash>.body
    tmp/
  shard-01/
    ...

Structs

DiskCacheStorage

Disk-based cache storage backend implementing Pingora’s Storage trait.

DiskHitHandler

Hit handler for disk cache lookups.

DiskMissHandler

Miss handler for disk cache writes.

Functions

rebuild_eviction_state

Scan disk entries and register them with the eviction manager.