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Unfortunately the maven initial build is very slow due to artifacts downloading
f.e. I've tried to download the same jar using curl - it is 3 times faster!!!
Why? And how I can speed up it? Maybe maven has some config keys related to artifacts downloading speed?
Thank you.
654
So the most likely cause of slow downloads for maven-metadata. xml files is that one of your proxy repositories has a very slow remote. This problem will be compounded if either of the above two settings is set too low.
Maven takes almost around 40 secs to build it. I have tried maven with multi threaded builds too by specifying -T and -C args for no of threads and cores to be used. But I haven't seen any significant improvement in wall time of my builds. I am using maven 3.2.
When you run a Maven build, then Maven automatically downloads all the dependency jars into the local repository. It helps to avoid references to dependencies stored on remote machine every time a project is build. Maven local repository by default get created by Maven in %USER_HOME% directory.
I know its an old question, but stumbled here from Google. I already had proxy in place, just needed to speed up with concurrent downloads. You can using mvn option:
-Dmaven.artifact.threads=30
Source: https://maven.apache.org/guides/mini/guide-configuring-maven.html
Configuring Parallel Artifact Resolution By default, Maven 2.1.0+ will download up to 5 artifacts (from different groups) at once. To change the size of the thread pool, start Maven using -Dmaven.artifact.threads. For example, to only download single artifacts at a time: mvn -Dmaven.artifact.threads=1 verify You may wish to set this option permanently, in which case you can use the MAVEN_OPTS environment variable. For example: export MAVEN_OPTS=-Dmaven.artifact.threads=3 If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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