[PHOENIX-5311] Integration tests leak tables when running on distributed cluster

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.1.0
• Assignee: Istvan Toth
• Reporter: Istvan Toth
• Created: 31/May/19 13:25
• Updated: 10/Feb/21 10:01
• Resolved: 06/Jun/19 20:39

Description

When integration test suite is run via End2EndTestDriver on a distributed cluster, most tests do not clean up their tables, leaving thousands of tables on the cluster, and exhausting RegionServer memory.

There are actually three problems:

• The BaseTest.freeResourcesIfBeyondThreshold() method is called after most tests, and it restarts the MiniCluster, thus freeing resources, but it has no effect when running on a distributed cluster.
• The TestDriver sets phoenix.schema.dropMetaData to false by default, so even if the Phoenix tables are dropped, the HBASE tables are not, so the table leak remains. 
• The phoenix.schema.dropMetaData setting cannot be easily overridden because of PHOENIX-5310