Add configurable size limit for persistent build cache with LRU eviction
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评估
- 难度
- 5/5
- 预计耗时
- 一周以上
- 新手友好度
- 45/100
- Issue 类型
- 功能
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- angular, typescript
- 领域
- build-system, cli
调研方向
从 build 和 serve 命令使用的持久缓存入手,并将其与 .angular/cache 现有的 ng cache clean 入口进行比较。定义如何配置和测量 cli.cache.maxSize,然后验证在超过配置的上限后,最近最少使用的条目会被逐出。
由索引模型根据 Issue 内容生成。
描述
Command
build, serve
Description
The Angular CLI persistent disk cache (.angular/cache) grows without bounds. On large projects, a single checkout accumulates tens of gigabytes of cached build artifacts. In our case, a single checkout reached 29 GB.
This was previously raised in #25116 and closed as not feasible with Webpack. Since Angular 17+, the build system uses esbuild, so the original constraint no longer applies.
Describe the solution you'd like
Add a configurable size cap (e.g., cli.cache.maxSize) with LRU eviction when the limit is reached. This is a common pattern in build tooling — Turborepo, Gradle, and most browsers' HTTP caches all implement bounded persistent caches.
Example configuration:
"cli": {
"cache": {
"enabled": true,
"maxSize": "2GB"
}
}
When the cache exceeds maxSize, the oldest/least-recently-used entries are evicted.
Describe alternatives you've considered
- Periodically running
ng cache cleanor manually deleting.angular/cache— works but is a manual maintenance burden, especially for developers unaware the cache is growing.
- 主要语言
- TypeScript
- 星标
- 27k
- 派生
- 11.8k
- 平均合并
- 16 小时 35 分钟
- 30 天内合并 PR
- 176
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难度 2/5 1-3 小时 新手友好度 74/100
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难度 4/5 3-5 天 新手友好度 72/100
angular/angular-cli#34137 ·
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angular/build:library area: @angular/build gemini-triaged
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