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perf: pre-allocate status info collections with known capacities

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This commit is contained in:
Andrew Phillips
2026-03-21 13:54:37 -03:00
parent b3edfe7de6
commit 0004324301
2 changed files with 4 additions and 2 deletions
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1
CHANGELOG.md
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@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed ### Changed
- Filter plugins check size before loading content into memory (prevents OOM on large inputs) - Filter plugins check size before loading content into memory (prevents OOM on large inputs)
- Status page pre-allocates collections with known capacities (meta plugins, compression info)
- `#[inline]` on HTML escape helper functions (`esc`, `esc_attr`) for hot path performance - `#[inline]` on HTML escape helper functions (`esc`, `esc_attr`) for hot path performance
- Removed `once_cell` crate (replaced with `std::sync::LazyLock` from Rust 1.80) - Removed `once_cell` crate (replaced with `std::sync::LazyLock` from Rust 1.80)
- Removed `lazy_static` crate (replaced with `std::sync::LazyLock`) - Removed `lazy_static` crate (replaced with `std::sync::LazyLock`)

5
src/common/status.rs
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@@ -89,7 +89,7 @@ pub fn generate_status_info(
}; };
let _default_type = crate::compression_engine::default_compression_type(); let _default_type = crate::compression_engine::default_compression_type();
let mut compression_info = Vec::new(); let mut compression_info = Vec::with_capacity(CompressionType::iter().count());
// Sort compression types by their string representation // Sort compression types by their string representation
let mut sorted_compression_types: Vec<CompressionType> = CompressionType::iter().collect(); let mut sorted_compression_types: Vec<CompressionType> = CompressionType::iter().collect();
@@ -141,7 +141,8 @@ pub fn generate_status_info(
}); });
} }
let mut meta_plugins_map = std::collections::HashMap::new(); let mut meta_plugins_map =
std::collections::HashMap::with_capacity(MetaPluginType::iter().count());
let mut enabled_meta_plugins_vec = Vec::new(); let mut enabled_meta_plugins_vec = Vec::new();
// Sort meta plugin types by their string representation to avoid creating plugins just for sorting // Sort meta plugin types by their string representation to avoid creating plugins just for sorting