12c_Database_Performance_and_Recomendations.pdf
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© 2014 IBM Corporation
Oracle 12c Database Performance and
Recommendations
David Simpson - IT Specialist – IBM Corporation
simpson.dave@us.ibm.com
© 2014 IBM Corporation
Copyright and Trademark Information
For IBM – can be found at http://www.ibm.com/legal/us/en/copytrade.shtml
For Oracle – can be found at http://www.oracle.com/us/legal/index.html
© 2014 IBM Corporation
Linux is Linux ….
Oracle on System z (64bit) is very similar code as other 64bit Linux distributions.
Usually we see < 1% cpu overhead of running Oracle under z/VM.
– Gain enhanced performance reporting with z/VM.
– Allows for overcommit of processors (IFLs) and virtual memory.
Staying current with Oracle releases, Linux support packs, z/VM releases, hardware provides
some of the greatest non programmable performance gains as well as security compliance.
“Fit for Purpose” - databases and virtualization workloads vs. highly parallelized workloads.
– Oracle workloads gain high cpu utilizations and availability.
– System z processors have high clock speeds & cache
Many compiler enhancements with Oracle R12.1 on System z.
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