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Reading AWR reports
Since this is a very popular subject on the OTN forum, I decided to put together a few points about analyzing AWR reports. 1. Choosing time period for the AWR report When troubleshooting a specific...
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Reading AWR reports: case study
In my previous post I described some sections that are typically useful when interpreting AWR data. However, sometimes the answer comes from an unexpected source. For example, the workload profile...
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AWR reports: interpreting CPU usage
Introduction Let’s start with some basic concepts. AWR reports deal with several kinds of time. The simplest kind is the elapsed time , it’s just the interval of time between the start and end...
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AWR report: load profile
Introduction “Load profile” section of the AWR report contains some extremely useful information, and yet it is very often overlooked (often in favor of instance efficiency percentages, which is easier...
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A map to AWR report
Introduction An average 11g AWR report spans 40 screens broken into approximately 50 sections. That’s a lot, especially for someone who’s not very well familiar with AWR reports, so I decided to make...
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