Github user steveloughran commented on the issue:
https://github.com/apache/spark/pull/12004
latest patch: has updated the dependency settings. As noted, works for
Hadoop versions from 2.7 to 3.0.2-alpha & the HADOOP-13345 branch, at least if
you build the last two with a `-Ddeclared.hadoop.version=2.11` to stop Hive
overreacting to Hadoop major versions. Does the latter deliver speedup? Not
clear yet; I'm not doing the benchmarking, just the regression testing. Hive +
Tez flies, and I'm sure sean's colleagues can give the Impala numbers to him.
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