Excessive synchronization in ReporterManager blocks performance
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Key: SUREFIRE-658
URL: http://jira.codehaus.org/browse/SUREFIRE-658
Project: Maven Surefire
Issue Type: Improvement
Components: JUnit 3.x support, Junit 4.7+ (parallel) support, Junit
4.x support, Maven Failsafe Plugin, Maven Surefire Plugin, Maven Surefire
Report Plugin, TestNG support, xml generation
Affects Versions: 2.6
Reporter: Kristian Rosenvold
Priority: Minor
All the methods in ReporterManager are synchronized, effectively making this
whole subsystem a blocker in terms of performance. Single threaded providers
wast time acquiring the lock, parallel providers have a choke point blocking
parallelism. Since this block guards all the file writing of reports, it
effectively reduces performance quite a lot.
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