1.14 Using ExaWatcher Charts to Monitor Oracle Exadata Performance
ExaWatcher is a utility that collects performance data on the storage servers and database servers of an Exadata system. The data collected includes operating system statistics, such as iostat, cell statistics (cellsrvstat), and network statistics.
- About ExaWatcher Charts
ExaWatcher collects and presents performance data on the storage servers and database servers of Oracle Exadata for a specified period of time. - Requirements for Using ExaWatcher Charts
To view the HTML pages, the generated archive file must be moved to a machine with a local browser that has access to the internet. - IO Charts
IO charts show IO performance for an entire server or for individual disks in the storage server. - CPU Charts
The CPU charts show CPU utilization for the server. These statistics are fromiostat
(avg-cpu: %user, %system, %iowait). - CPU Detail
The CPU detail charts show detailed information for CPU usage, including the average CPU utilization per CPU ID. These statistics are frommpstat
. - Cell Server Charts
Cell server statistics are useful for tracking features that are specific to Exadata storage servers. This page displays statistics related to Smart Flash Cache and Smart IOs. - Alert History
Parent topic: General Maintenance Information