Displaying Read and Write Operations 

Use

The database server keeps statistics on the current number of both physical and logical read and write accesses since the database instance was last started.

Procedure

Choose Instance ® Information ® I/O.

Name

Naming

Logical Reads

Number of logical read commands

Logical Writes

Number of logical write commands

Physical Reads

Number of physical read commands

Physical Writes

Number of physical write commands

The details are displayed for the following devspaces:

Catalog

Denotes the data devspace used by the data dictionary of the database system.
Frequent writing to this area is a sign of modifications made to the database design.

Permanent Data

The actual data devspace for permanent data.

Temporary Data

A data devspace on the disk intended for temporary use; it is required, for example, for the generation of selected datasets.

Long Data

LONG columns

Leaf, Level 1, Level 2, Level 3

Data tree structure The database organizes the stored data as B* trees.

SUM shows the total number of accesses.