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Slow Recovery Performance on Standby using DG or RMAN to Apply Logs (Doc ID 2582846.1)

Last updated on JUNE 27, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

 

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the
Oracle sample schema(s), Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual
environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:
Standby Database: STBY

************

 

Recovery of standby database is slow. Application of archive redo logs (size 500MB) is taking 7-10 minutes per log. This speed was observed using both managed recovery for data guard and "regular" recovery with RMAN.

The following is details from the alert log:


Mon Jul 29 09:23:07 2019
Media Recovery Log /<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222010_gmx87jbf_.arc
Mon Jul 29 09:31:07 2019
ORA-279 signalled during: alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222010_gmx87jbf_.arc'...
alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222011_gmx8f72r_.arc'
Mon Jul 29 09:31:07 2019
Media Recovery Log /<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222011_gmx8f72r_.arc
ORA-279 signalled during: alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222011_gmx8f72r_.arc'...
alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222012_gmx87j33_.arc'
Mon Jul 29 09:39:10 2019
Media Recovery Log /<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222012_gmx87j33_.arc
ORA-279 signalled during: alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222012_gmx87j33_.arc'...
alter database recover logfile '/<path>/fast_recovery_area/STBY/archivelog/2019_07_29/o1_mf_1_222013_gmx80t4d_.arc'

Cause

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In this Document
Symptoms
Cause
Solution
References


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