Extract abends with below error: 2017-08-24 18:54:47 ERROR OGG-00868 The number of Oracle redo threads (3) is not the same as the number of checkpoint threads (4). EXTRACT groups on RAC systems should be created with t he THREADS parameter (e.g., ADD EXT , TRANLOG, THREADS 3, ...
Oracle GoldenGate - Version 12.2.0.1.0 and later: ERROR OGG-00868 Error Code 1291, Error Message: ORA-01291: Missing Logfile