CLEANUP_ABLIST_ON_ABORT <YES | NO>
When key mark cleanup optimizations are enabled (NXTMARKS, UPDMARKS) and if a great many aborted transactions, checkpoint size becomes large due to many abort node list entries. Possible symptoms could include:
When a transaction aborts, transaction marks are now automatically cleaned in updated nodes. This behavior is on by default (YES) and can be disabled for prior compatibility.
This option can be set in your server configuration file or dynamically modified at runtime.