Upgrade repository-hdfs to Hadoop 3 #78407
Merged
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This upgrades the repository-hdfs plugin to hadoop 3. Tests are performed against both hadoop 2 and hadoop 3 HDFS. The advantages of using the hadoop 3 client are:
Over-the-wire encryption works (tests coming in an upcoming PR).
We don't have to add (or ask customers to add) additional jvm permissions to the elasticsearch jvm
It's compatible with java versions higher than java 8
Relates #76897