AWR – Instance CPU
In AWR, the ‘Instance CPU’ table comes under the ‘Report Summary’ section. Refer to the below figure: To analyse the ‘Instance CPU’ section, you must Look at the Host CPU and Instance CPU sections. The… AWR – Instance CPU
AWR – Host CPU
In AWR, the ‘Host CPU’ table comes under the ‘Report Summary’ section. Refer to the below figure: The following metrics are available in the ‘Host CPU’ table of an AWR report: CPUs The number of… AWR – Host CPU
AWR – Wait Classes by Total Wait Time
In AWR, the ‘Wait Classes by Total Wait Time’ table comes under the ‘Report Summary’ section. Refer to the below figure: To analyse this section, firstly check for the ‘Wait Class’ column. If User I/O,… AWR – Wait Classes by Total Wait Time
AWR – Top 10 Foreground Events
In AWR, the ‘Top 10 Foreground Events’ table comes under the ‘Report Summary’ section. Refer to the below figure: The following metrics are available in the ‘Top 10 Foreground Events’ table of an AWR report:… AWR – Top 10 Foreground Events
AWR – Buffer Hit Ratio – Analysis
What is Buffer Hit ratio OR Buffer Hit %? ‘Buffer Hit Ratio’ is measured by the percentage of times the data block is requested by the query and available in memory. It is also called… AWR – Buffer Hit Ratio – Analysis
AWR – Execute to Parse Ratio – Analysis
What is Execute to Parse ratio OR Execute to Parse %? Every query needs to be parsed before it gets executed. If some queries are quite frequently used, a good design will be to reuse… AWR – Execute to Parse Ratio – Analysis