[GitHub] [beam] kennknowles opened a new issue, #18308: Consider minimization on shaded jars

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kennknowles opened a new issue, #18308:
URL: https://github.com/apache/beam/issues/18308

   Some of our modules shade and relocate Guava as part of their build, this adds a considerable amount to their file size, even though they do not use every single class in Guava's jar.
   maven shade-plugin solves this by minimization which only shades classes which are in use in the module into the jar.
   
   There are a few issues with configuring minimzation for our shaded modules currently:
   
   1. There is a bug in shade-plugin where if minimization is declared on a project with pom packaging it fails. I have created a [ticket](https://issues.apache.org/jira/browse/MSHADE-253) and [PR](https://github.com/apache/maven-plugins/pull/107) with a fix for this but could take a while before it is available to us (The fix has been merged but not released yet).
   2. Minimization on all of our modules adds a significant amount of build time, which we wish to avoid. (Up from 02:30 mins for a build of the entire project (skipping tests) on a Macbook pro laptop to over 5 mins)
   
   Imported from Jira [BEAM-1720](https://issues.apache.org/jira/browse/BEAM-1720). Original Jira may contain additional context.
   Reported by: aviemzur.


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