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Don Burleson Blog 







Oracle RAC Monitoring

Oracle Database Tips by Donald Burleson

This are excerpts on RAC monitoring from the bestselling Grid book Oracle 10g Grid & Real Application Clusters, by Mike Ault and Madhu Tumma. 

This Oracle 10g RAC book is the best source for Oracle RAC monitoring scripts with an immediate download of RAC monitoring scripts.

The following are a few general guidelines for RAC monitoring:

The cluster interconnect network should be tuned to get an optimal transfer rate and buffering.

RAC objects should be tuned for:

n        initrans.

n        Freelists.

n        Rows per block (pctfree).

n        Freelists and init_trans should be used whenever possible.

n        Larger shared pools should be used rather than those used with normal Oracle, to allow for the Global Directory.

n        Cache transfer speeds and intra-instance pings should be monitored to determine latencies.

n        Holistic monitoring should be performed at all times

Using these RAC monitoring guidelines, and the scripts and techniques covered in this chapter, the RAC environment can be made to perform optimally.


If you like Oracle tuning, you may enjoy my new book "Oracle Tuning: The Definitive Reference", over 900 pages of BC's favorite tuning tips & scripts. 

You can buy it direct from the publisher for 30%-off and get instant access to the code depot of Oracle tuning scripts.



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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. All legitimate Oracle experts publish their Oracle qualifications.

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