famod commented on a change in pull request #662:
URL: https://github.com/apache/maven/pull/662#discussion_r785496490
##########
File path:
maven-core/src/main/java/org/apache/maven/lifecycle/internal/builder/multithreaded/MultiThreadedBuilder.java
##########
@@ -129,14 +132,23 @@ private void multiThreadedProjectTaskSegmentBuild(
ConcurrencyDependencyGraph an
Map<MavenProject,
ProjectSegment> projectBuildList,
ThreadOutputMuxer muxer
)
{
+ // gather artifactIds which are not unique so that the respective
thread names can be extended with the groupId
+ Set<String> duplicateArtifactIds = projectBuildList.keySet().stream()
+ .map( MavenProject::getArtifactId )
+ .collect( Collectors.groupingBy( Function.identity(),
Collectors.counting() ) )
Review comment:
We could also stop here, usage in `createBuildCallable()` would then be
something like:
```java
final String threadNameSuffix = artifactIdFrequency.get(
project.getArtifactId() ) > 1
//...
```
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