gemini-code-assist[bot] commented on code in PR #38862:
URL: https://github.com/apache/beam/pull/38862#discussion_r3379974328
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buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy:
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@@ -3145,7 +3145,8 @@ class BeamModulePlugin implements Plugin<Project> {
}
project.exec {
executable 'sh'
- args '-c', ". ${project.ext.envdir}/bin/activate && pip install uv
&& uv pip install --pre ${installTargets}"
+ // uv times out on its cache lock when py310/py314 installGcpTest
run in parallel.
+ args '-c', ". ${project.ext.envdir}/bin/activate && pip install
--pre --retries 10 ${installTargets}"
Review Comment:

Instead of completely reverting to `pip` (which is significantly slower than
`uv`), we can resolve the cache lock contention by configuring `uv` to use a
unique cache directory per environment. Since `${project.ext.envdir}` is unique
for each Python version (e.g., `py310`, `py314`), pointing `uv` to a cache
directory inside it avoids parallel execution conflicts while retaining `uv`'s
performance benefits.
```
// Use uv with a unique cache directory per environment to avoid
parallel cache lock contention.\n args '-c', \".
${project.ext.envdir}/bin/activate && pip install uv && uv pip install
--cache-dir ${project.ext.envdir}/.uv_cache --pre ${installTargets}\"
```
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