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. |
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.