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feat(fileinfo): use AHashMap for metadata fields

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- Add ahash dependency to workspace, filemeta, and utils crates
- Change FileInfo.metadata to AHashMap<String, String>
- Change ObjectPartInfo.checksums to Option<AHashMap<String, String>>
- Change MetaObjectV1.meta to AHashMap<String, String>
- Change MetaObjectV1Part.checksums to Option<AHashMap<String, String>>
- Change UniquePartChecksums to use AHashMap
- Make metadata_compat functions generic over BuildHasher
- Make get_internal_replication_state generic over BuildHasher

This optimization replaces the standard library's SipHash with ahash,
which provides 2-3x faster hashing for typical key types.

Refs: https://github.com/rustfs/backlog/issues/2005

Co-Authored-By: heihutu <heihutu@gmail.com>
This commit is contained in:
houseme
2026-08-26 21:36:43 +08:00
parent 2ada8a5cfb
commit ec9aabcf00
9 changed files with 43 additions and 24 deletions
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Cargo.toml
+3
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@@ -371,6 +371,9 @@ hotpath = { version = "0.24.0", default-features = false }
# Snapshot testing for output format regression detection
insta = { version = "1.48" }
# High-performance hashing
ahash = { version = "0.8", default-features = false, features = ["std", "runtime-rng", "serde"] }
[workspace.metadata.cargo-shear]
ignored = ["hotpath", "rustfs"]