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 from iostat (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 from mpstat.
• 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