The Tablespace Snapshot screen provides an overview of the following tablespace activities of your database:

• Tablespace Name
• Buffer Quality (%)
• Data Logical Reads
• Data Physical Reads
• Index Logical Reads
• Index Physical Reads

You can access the Tablespace Snapshot screen by calling the DBA Cockpit and choosing Performance ® Tablespaces in the navigation frame of the DBA Cockpit.

The screen displays buffer pool activity and direct access information for each tablespace defined for the SAP database.

You can display more detailed information by selecting one or more tablespaces and choosing Details. A detail Tablespace Snapshot screen appears with information on:

Buffer Pool and Asynchronous I/O provide information on buffer pool access.

Direct I/O and Extended Storage provide information on direct accesses, in other words, I/O activity that does not use the buffer pool (for example, access to LONG VARCHAR columns or backup).