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Tuning Standby Database - roll forward [message #65678] Thu, 02 December 2004 02:57 Go to next message
Nari
Messages: 1
Registered: December 2004
Junior Member
Hello,

I'm want to improve rolling forward performance.

Is there any tuning point or special parameter to speed up roll forward?

Nari

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Re: Tuning Standby Database - roll forward [message #65686 is a reply to message #65678] Sat, 04 December 2004 13:30 Go to previous message
Frank Naude
Messages: 4579
Registered: April 1998
Senior Member
Hi,

Recovery (roll forward) is normally quite fast.
However, if you need to tune it further, consider
using parallel recovery.

The RECOVERY_PARALLELISM parameter specifies the
number of redo application server processes that
perform recovery. During parallel recovery, the
coordinator process reads the log files sequentially
and dispatches redo information to several recovery
slaves that apply the changes. A value of 0 or 1
indicates serial recovery. The value of this
parameter cannot exceed PARALLEL_MAX_SERVERS.

Best regards.

Frank

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