I’ve had a recent request to write an update on working with AWR reports, so as promised, here it is!
The Automatic Workload Repository, (AWR) was one of the best enhancements to Oracle back in release 10g. There was quite a goal put in front of the development group when they were asked to develop a product that:
photo by youflavio
In a recent blog post Eric D. Brown defined an Agile Data Center as
#777777;">An Agile Data Center is one that allows organizations to efficiently and effectively add, remove and change services at the speed of the business, not the speed of technology – Eric D. Brown
In follow up post he said that a Agile Data Center could be implemented by Software Defined Data Center (SDDC) for example using machine virtualization to spin environments up and down.
To make upgrades easier, I regularly see people considering disabling query optimizer features by setting the OPTIMIZER_FEATURES_ENABLE initialization parameter to a non-default value. My general opinion about this “habit” is summarized in TOP with the following two sentences:
Changing the default value of the OPTIMIZER_FEATURES_ENABLE initialization parameter is only a short-term workaround. Sooner or later the application should be adapted (optimized) for the new database version.
#555555; padding-left: 30px;">This is a reposting of an old blog post that was on dboptimizer.com but is no longer accessible
#555555; padding-left: 30px;">More trace file analyzer tools at #2970a6;" href="http://ba6.us/node/177">http://ba6.us/node/177
I recently did an Introduction to Oracle presentation, describing how the oracle instance worked – technically, but from a very high level. In it I used the analogy of a restaurant, which I was quite happy with. I am now looking at converting that talk into a set of short articles and it struck me that the restaurant analogy is rather good!
Here is a slide from the talk:
The term “Service” is used to represent numerous objects within Enterprise Manager 12c. Although the most common reference to the term is related to the Oracle Management Service, (OMS), in this blog post, we are going to drill down and refer to all services identified in the drop down menu from Targets, Management Services and Repository.
Create an army of clone databases and applications in minutes
Tomorrow Jan 28 we will be installing Delphix on people’s laptops at the BIWA conference at Oracle conference center at Oracle head quarters in Redwood Shores.