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Posted to issues@maven.apache.org by GitBox <gi...@apache.org> on 2022/01/10 10:16:06 UTC

[GitHub] [maven-mvnd] conderls commented on issue #570: not fast

conderls commented on issue #570:
URL: https://github.com/apache/maven-mvnd/issues/570#issuecomment-1008721913


   I also did a benchmark with two scala projects, which have about 30 subprojects:
   - flow-all: without maven-shade-plugin, 
   - offline-all: with maven-shade-plugin to build **fat-jar**  which required for spark task.
   
   using commands for both mvn/mvnd: `mvn -pl $PROJECT -am spotless:apply clean --no-snapshot-updates $PHASE`, while extra opts for:
   - `mvn`: `-T 1C`
   - `mvnd`:  `-Dquickly -Dmvnd.maxHeapSize=8G`
   
   ## reuslt
   
   |  PROJECT    | PHASE    |   mvn(s)    | mvnd(s)     |
   |:-----------:|:--------:|:-----------:|:------------|
   |  flow-all   | install  | 215/253/238/219/208/205(avg=223) | 254/259/245/205/230/209(avg=233) |
   | offline-all | package  |       416/433/431/443(avg=430)      |      412/431/418/398/411/409(avg=413) |
   
   by the way, it is time-consuming to build fat-jar with maven-shade-plugin, is there better way to create fat-jar for spark jobs?
   


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