HSEARCH-1307 Performance tests should not run with debug logging enabled
HSEARCH-1307 Introduce a validating performance and stress test for the NRT backend
HSEARCH-1307 NRT backend could hit AlreadyClosedException: this IndexReader is closed
HSEARCH-1307 Fixing a typo, renaming some constants
HSEARCH-1329 The two variants of ReaderPerformanceTestCase are failing