MIRA SPEED IS SLOW IN OPEN MODE
(Doc ID 2763312.1)
Last updated on APRIL 17, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 18.9.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
MIRA speed is slow in Open stage as Compared to the Mount stage.
When Changed to SIRA the speed is Same and high in both Open and Mount stage.
This is a Four node Rac standby .
MOUNT + MIRA
DGMGRL> show database verbose <name>
Database - <name>
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 0 seconds ago)
Apply Lag: 9 minutes 30 seconds (computed 0 seconds ago)
Average Apply Rate: 200 MByte/s
Active Apply Rate: (unknown)
Maximum Apply Rate: (unknown)
Real Time Query: OFF
Instance(s):
skpe011 (apply instance)
skpe012
skpe013
skpe014
OPEN MODE + MIRA
DGMGRL> show database verbose <name>
Database - <name>
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 2 seconds ago)
Apply Lag: 4 hours 11 minutes (computed 0 seconds ago)
Average Apply Rate: 110.01 MByte/s
Active Apply Rate: (unknown)
Maximum Apply Rate: (unknown)
Real Time Query: ON
Instance(s):
skpe011 (apply instance)
skpe012
skpe013
skpe014
Following Changes /Patches already applied
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |