How to fix the Oracle error ORA-16853: apply lag has exceeded specified threshold?

In this post, you’ll learn more about the Oracle ErrorORA-16853: apply lag has exceeded specified threshold with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16853: apply lag has exceeded specified threshold

Reason for the Error ORA-16853: apply lag has exceeded specified threshold

The current apply lag exceeded the value specified by the ‘ApplyLagThreshold’ database property. It may be caused either by a large transport lag or poor performance of apply services on the standby database.

How to fix the Error ORA-16853: apply lag has exceeded specified threshold ?

You can fix this error in Oracle by following the below steps

Check for gaps on the standby database. If no gap is present, tune the apply services.