Oracle Database Error Solutions & DBA Guide

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Oracle Database Error Solutions & DBA Knowledge Base

Practical, step-by-step Oracle Database troubleshooting and administration resources for DBAs, developers, Oracle E-Business Suite administrators, and IT professionals.

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MRP — Managed Recovery Process in Oracle Data Guard

- March 30, 2026

MRP - Managed Recovery Process in Oracle Data Guard Oracle Data Guard — Managed Recovery Process (MRP) / Redo Apply The Managed Recovery Process (MRP) is a key component of an Oracle Data Guard physical standby database. It is responsible for applying redo generated by the primary database to the physical standby database so that the standby can remain synchronized with the primary. Oracle Data Guard is widely used to provide high availability, disaster recovery, data protection, and business continuity for Oracle Database environments. In a physical standby configuration, redo generated on the primary database is transported to the standby database. The standby then uses Redo Apply to apply that redo to its datafiles. The MRP is the process associated with this managed recovery operation. Oracle describes a physical standby database as a block-for-block copy of the primary that is maintained through Redo Apply, which continuously applies redo received from the prima...