HyukjinKwon commented on a change in pull request #25063: [SPARK-28267][DOC]
Update building-spark.md(support build with hadoop-3.2)
URL: https://github.com/apache/spark/pull/25063#discussion_r301544873
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File path: docs/building-spark.md
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@@ -79,15 +81,20 @@ Example:
./build/mvn -Pyarn -Dhadoop.version=2.8.5 -DskipTests clean package
+ ./build/mvn -Pyarn -Phadoop-3.2 -Dhadoop.version=3.1.2 -DskipTests clean
package
Review comment:
I think Wenchen asked why we set `hadoop-3.2` (Hadoop 3.2) but hadoop
version is Hadoop 3.1.2. I just noticed it. Is it something we can officially
document? It might work practically but not sure if it's something official.
I think Spark documents `hadoop2.7` supports Hadoop 2.7+ assuming the
versions afterward keeps backward compatibility. But I am not sure if that's
true in the opposite way.
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