Maintain support for building and deploying with Cloudera Hadoop 2.6.0 #51

Job	Run time
Run / Check changes	51s
Run / Run Docker integration tests	7m 20s
Run / Base image build	45s
Run / Java 11 build with Maven	36m 50s
Run / Build modules: core, unsafe, kvstore, avro, network-common, network-shuffle, repl, launcher, examples, sketch, graphx	8m 24s
Run / Java 17 build with Maven	36m 1s
Run / Run Spark on Kubernetes Integration test	9m 32s
Run / Build modules: catalyst, hive-thriftserver	7m 31s
Run / Scala 2.13 build with SBT	8m 18s
Run / Build modules: streaming, sql-kafka-0-10, streaming-kafka-0-10, mllib-local, mllib, yarn, mesos, kubernetes, hadoop-cloud, spark-ganglia-lgpl, connect, protobuf	7m 30s
Run / Run TPC-DS queries with SF=1	4m 45s
Run / Build modules: hive - slow tests	7m 45s
Run / Build modules: hive - other tests	7m 31s
Run / Build modules: sql - slow tests	7m 51s
Run / Build modules: sql - other tests	7m 51s
Run / Linters, licenses, dependencies and documentation generation	4m 2s
Run / Build modules: sparkr	9m 23s
Run / Build modules: pyspark-errors	9m 49s
Run / Build modules: pyspark-sql, pyspark-mllib, pyspark-resource	9m 14s
Run / Build modules: pyspark-core, pyspark-streaming, pyspark-ml	9m 30s
Run / Build modules: pyspark-pandas	8m 50s
Run / Build modules: pyspark-pandas-slow	8m 50s
Run / Build modules: pyspark-connect	9m 5s
	3h 47m 28s

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