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https://issues.apache.org/jira/browse/HADOOP-7985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13234555#comment-13234555
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Ravi Prakash commented on HADOOP-7985:
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In hadoop-common-project/hadoop-common:
* Touchz.java should be renamed to Touch.java to avoid compilation everytime.
* Record IO generated test files which were compiled everytime. We could
modify RccTask.java to doCompile only when sourceFile is newer than the
destination file
These are just 2 seconds of the 24 seconds needed to build hadoop-common. So
obviously not substantial. Will keep looking.
I'm beginning to think running from JARs might not be the best idea to have a
quick dev cycle. Maybe I should try running from the target/classes directories
and skip building the jar altogether.
> maven build should be super fast when there are no changes
> ----------------------------------------------------------
>
> Key: HADOOP-7985
> URL: https://issues.apache.org/jira/browse/HADOOP-7985
> Project: Hadoop Common
> Issue Type: Wish
> Components: build
> Affects Versions: 0.23.0
> Reporter: Ravi Prakash
> Labels: build, maven
>
> I use this command "mvn -Pdist -P-cbuild -Dmaven.javadoc.skip -DskipTests
> install" to build. Without ANY changes in code, running this command takes
> 1:32. It seems to me this is too long. Investigate if this time can be
> reduced drastically.
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