Github user jkleckner commented on the pull request: https://github.com/apache/spark/pull/4780#issuecomment-77195569 Well, [sbt-assembly rename](http://stackoverflow.com/questions/24596914/sbt-assembly-rename-class-with-merge-conflicts-shade) does not perform a shade operation. So I guess the options are: * We manually shade/rename the functions. * We switch to maven for packaging instead of sbt in order to do the shading * Fix Spark via one of: * Since Spark does use maven, it could shade (relocate) the use of HyperLogLog * Include the fastutil package (this patch) rejected strongly for understandable reasons * Fix the user class path first mechanism to properly find clearspring in our jar Did I miss any options?
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