Windows installer (MSI) is slow
还没有人认领这个 Issue。
评估
调研方向
Start by building the MSI and measuring it: run msiexec /i ECCE-windows-9.0.0-alpha.10.msi /l*v install.log and find which phase dominates (file costing, file copy, registry, or custom actions), then count files and components in the bundled Python, wxPython and Perl. Done means a clean install on NerdEgg has a stated time taken from the log and the CI MSI install/uninstall test still passes. Packaging changes need maintainer agreement on the approach first.
由索引模型根据 Issue 内容生成。
描述
The per-user MSI (ECCE-windows-9.0.0-alpha.10.msi, ~180 MB, WiX v5) installs slowly on Windows 10; reported again on alpha.10, already listed as a known issue since alpha.8.
To find out first (measure, don't guess)
- Time the phases from a verbose log:
msiexec /i ECCE-windows-9.0.0-alpha.10.msi /l*v install.log. This shows file costing, file copy, registry and custom actions. - Number of files and components in the package. The bundled Python, wxPython and Perl add tens of thousands of small files, and MSI cost scales with the number of files and components more than with total size.
- The effect of real-time antivirus (Windows Defender scans every file written): compare the install time with the zip unpacked to the same place.
Likely remedies, depending on the measurement
- Fewer, larger components (one component per directory, or WiX harvesting with directory-level components), instead of one per file.
- Ship the bundled runtimes as zip/archive files that are unpacked on first start, or put Python's standard library in its zip form (
python3xx.zip). - Drop unused parts of the bundled runtimes: tests, documentation,
__pycache__, unused Perl modules. - Check that no custom action runs a slow step (e.g. compiling .pyc files) at install time.
Done when: a clean install on NerdEgg takes a stated time (e.g. under 1 minute), measured from the log, and the CI MSI install/uninstall test still passes.
- 主要语言
- C
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- 派生
- 8
- 平均合并
- 21 分钟
- 30 天内合并 PR
- 1
环境准备
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从这里开始
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- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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