Parallel Stache warming produces inconsistent Stache `_indexes`
维护者通常 1 天内回复
还没有人认领这个 Issue。
评估
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 新手友好度
- 45/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 冷清
- 技术栈
- php
- 领域
- backend, performance
调研方向
Start by reading the parallel Stache warming change in PR #12894, then enable parallel_processing with the fork concurrency driver and run the Stache warm command. Compare storage/framework/cache/data/stache/indexes/**/_indexes across repeated runs and with the v5.69.0 output. Done means the indexes are consistent between runs and the reported difference is addressed; the performance concern may need to be treated separately.
由索引模型根据 Issue 内容生成。
描述
Bug description
After enabling the new parallel Stache warming (introduced in v5.70.0), the generated Stache _indexes become inconsistent between runs and differ from the output produced in the versions before the PR.
How to reproduce
- Enable parallel Stache warming (e.g. parallel_processing = true, concurrency_driver = fork) on 5.70.0.
- Run the Stache warm command and check
storage/framework/cache/data/stache/indexes/**/_indexes
v5.69.0:
Indexes are not changing when running the stache warm command multiple times.
9999999999a:1:{i:0;s:4:"path";}
v5.70.0:
Indexes are changing when running the stache warm command multiple times.
9999999999a:2:{i:0;s:4:"path";i:1;s:2:"id";}
Logs
Environment
5.70.0
Installation
Fresh statamic/statamic site via CLI
Additional details
Also it seems parallel processing does not improve stache warm performance (I don't see any significant difference in all of my projects). Because most entries live in collections, and collections are warmed in a single process (one store per process), the parallelization provides little / no real concurrency. The smaller stores finish quickly, leaving most cores idle while the main collection store warms sequentially..
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