Stefan Oehme created MNG-6633:
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Summary: ExcludesArtifactFilter is a memory hog
Key: MNG-6633
URL: https://issues.apache.org/jira/browse/MNG-6633
Project: Maven
Issue Type: Bug
Components: core
Affects Versions: 3.6.0
Reporter: Stefan Oehme
It takes the group and artifact ID of an Exclusion, concatenates them into a
new String, which is kept in memory for the whole duration of the build and
then compares that String against the concatenation of group and artifact ID of
each incoming artifact, adding more CPU cycles than necessary. Instead it
should just take the group and artifact ID from the Exclusion object and
compare them against the group and artifact ID of the Artifact.
For the 2000 module build I'm currently profiling, this is wasting over 1GB of
RAM, with hundreds of thousands of duplicated Strings.
Pull request following shortly
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