Hi Tommy, Maybe look at setting up https://github.com/khmarbaise/maven-buildtime-profiler to see if you can see where the time is being spent or not being spent.
On Thu, 6 Apr 2023 at 16:29, François Guillot <francoisguillo...@gmail.com> wrote: > Hi > > Disclaimer: I'm a engineer @ Gradle > > You can also try the Gradle Enterprise Maven extension ( > https://docs.gradle.com/enterprise/maven-extension/) > Or the new Maven Cache extension > https://maven.apache.org/extensions/maven-build-cache-extension/ > to benefit from build caching for some goal executions of your project. > > I won't dive here into a comparison between the two. Just wanted to share > this for awareness. > > François > > Le jeu. 6 avr. 2023, 17:23, Mantas Gridinas <mgridi...@gmail.com> a écrit > : > > > Well maven still has to go through all the lifecycle, which involves > > generating resources, compiling, packaging, running tests, checking > > snapshots, etc. So depending on your plugin, repository configuration you > > could get faster/slower subsequent builds. Unlike gradle, maven doesn't > > cache steps so the slowness is mostly due to having to go through the > > lifecycle. > > > > As far as I remember, the mailing list mentioned the takari lifecycle > which > > changes a bit how maven works. You might want to experiment with it. > > http://takari.io/book/40-lifecycle.html > > > > > > On Thu, Apr 6, 2023, 18:15 Tommy Svensson <to...@natusoft.se> wrote: > > > > > Hello maven users, > > > > > > I have an observation that does not make sense to me: > > > > > > I have a multi module build of about 5 modules. > > > > > > I do an "mvn clean install" and it takes 43 seconds. > > > > > > I then do an "mvn install" and it takes 43 seconds ! > > > > > > The second time everything was already built, so no compilation at all > > > should have been done. So why does it still take 43 seconds ? I can do > > "mvn > > > install" over and over again and it takes 43 seconds. No diff between > > "mvn > > > clean install" and "mvn install" when everything is already built. > > > > > > Is the compile so extremely fast that it doesn't even take a second > while > > > everything else maven does takes 43 seconds ? > > > > > > I have a Mac M1 with 10 cores and 64 GB of memory (and no buss, > processor > > > and memory in same chip). The maven speed difference between my machine > > and > > > the work machine (Intel I5 2 cores and 8GB memory) doesn't really > differ > > > that much. That is with maven. For other things there is a big > > difference. > > > > > > Is there any good explanation for this ? I have used maven for a very > > long > > > time and this is the first time I have noticed this. New faster > machines > > > have always improved build speed before. > > > > > > I'm running Apache Maven 3.8.5 > (3599d3414f046de2324203b78ddcf9b5e4388aa0) > > > That is what the latest version of IDEA gives me. > > > > > > > > > BR, > > > Tommy Svensson > > > > > > > > > > > > > > >
