Database Administration (MOSC)

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Oracle views of CPU, Memory, Disk IO etc

edited Dec 10, 2018 4:02AM in Database Administration (MOSC) 6 commentsAnswered

in AWR, there are a lot of statistics in AWR report about CPU, Memory Usage, and Disk IO, I am trying to find related views to achieve something for current monitoring and future planning:

1. the CPU usage peak and average for a day, week, month, how much is by this oracle instance and how much is used by other OS processes?

2. the Memory usage for a database instance, actual usage(the SGA is always showing the number as allocated), peak and average usage for day, week, month

3. Disk read write counts, disk read and write latency

I contacted Oracle support, the answer is this should be monitored from OS, using OSwatcher on linux, but I believe there is some views to pull from the database, so that I can program to load needed info to a database table nightly by a scheduled job, then a report will be created automatically on desired schedule(this is done by SSIS/SSRS not related to the oracle database btw)

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