June 2013
Beginner
404 pages
9h 40m
English
Content preview from Oracle Data Guard 11gR2 Administration : Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Time for action – testing real-time apply
If real-time apply is enabled, the apply services can apply redo data without waiting for the current standby redo logfile to be archived. This allows faster role transitions because you avoid waiting for a redo log to be transported to the standby database and then applied. In this example, we'll see how changes are transferred and applied to the standby database. The redo log that includes changes is not archived on primary.
- In order to use real-time apply, the redo transport service from primary to standby must use
LGWR. Run the following query on the primary database and check the log archive destination configuration.SQL> show parameter log_archive_dest_2 NAME TYPE VALUE ------------------- -------- ...
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