DRILL-8504: Add Schema Caching to Splunk Plugin #4023

Job	Run time
Run checkstyle and generate protobufs	7m 3s
Run checkstyle and generate protobufs	7m 3s
Run checkstyle and generate protobufs	7m 3s
Run checkstyle and generate protobufs	7m 3s
Main Build (8, default-hadoop)	1h 5m 58s
Main Build (8, default-hadoop)	1h 6m 42s
Main Build (8, default-hadoop)	1h 7m 9s
Main Build (8, default-hadoop)	1h 10m 12s
Main Build (11, default-hadoop)	1h 11m 38s
Main Build (11, default-hadoop)	1h 12m 25s
Main Build (11, default-hadoop)	1h 11m 59s
Main Build (11, default-hadoop)	1h 21m 10s
Main Build (17, default-hadoop)	1h 5m 12s
Main Build (17, default-hadoop)	1h 5m 53s
Main Build (17, default-hadoop)	1h 5m 8s
Main Build (17, default-hadoop)	1h 12m 23s
Main Build (8, hadoop-2)	1h 5m 3s
Main Build (8, hadoop-2)	1h 6m 52s
Main Build (8, hadoop-2)	1h 5m 36s
Main Build (8, hadoop-2)	1h 8m 7s
	18h 49m 39s

Provide feedback