Performance Hub Features

Performance Hub consists of a number of tabs and options, and provides reports so you can monitor your databases.


These tabs displayed in Performance Hub depends on the Database Management option that is enabled for the database you are monitoring, if the database is running in a Base Database Service or Exadata Database Service on Dedicated Infrastructure system, or is managed with External Database.

When a database is set to:
  • Basic Management - Performance Hub displays only the ASH Analytics and SQL Monitoring tabs.

  • Full Management - Performance Hub displays all the tabs described in the subsequent sections.

For more information, see About Management Options in Enable Database Management for Oracle Cloud Databases.

Performance Hub currently does not support Pluggable Databases in Base Database Service systems.

The Performance Hub page includes the following tabs:
Additionally, Performance Hub provides options for:

Performance Hub is also available in another mode, namely Top Activity Lite. This mode is a simplified view of Performance Hub and focuses on fast response time to monitor the performance of database systems in real time.

You can explore these tabs and options to monitor a selected database and analyze its performance, which includes but is not limited to:

  • How much is a database waiting for a resource, such as CPU or disk I/O

  • Whether database performance degraded over a given time period, and what is the primary reason

  • Which specific modules are causing a load on the system, and where most of the time a database spends on the modules

  • Which SQL statements are the key contributors to changes in database performance, and which executions are causing them

  • Which user sessions are causing performance bottlenecks

  • Which sessions are currently blocking, and if outstanding requests exist for a lock

  • Whether any databases are interfering with the current database

  • Which databases, disks, and cells are causing high I/O load, and if the load is for Backup, Rebalance, or User I/O

  • What cells are CPU bound, and how to determine the cell offload

  • What a database's configuration is, including software version and disk status