Thanks Nicholas, I didn't knew this. 2015-02-05 22:16 GMT-02:00 Nicholas Chammas <nicholas.cham...@gmail.com>:
> Y’all may already know this, but I haven’t seen it mentioned anywhere in > our docs on here and it’s a pretty easy win. > > Maven supports parallel builds > < > https://cwiki.apache.org/confluence/display/MAVEN/Parallel+builds+in+Maven+3 > > > with the -T command line option. > > For example: > > ./build/mvn -T 1C -Dhadoop.version=1.2.1 -DskipTests clean package > > This will have Maven use 1 thread per core on your machine to build Spark. > > On my little MacBook air, this cuts the build time from 14 minutes to 10.5 > minutes. A machine with more cores should see a bigger improvement. > > Note though that the docs mark this as experimental, so I wouldn’t change > our reference build to use this. But it should be useful, for example, in > Jenkins or when working locally. > > Nick > >
