Changing display settings

This section looks at some of the Tivoli Performance Viewer display settings:

Specifying a different refresh rate

Changing the data view

Changing the buffer size

 

Specifying a different refresh rate

By default, the Tivoli Performance Viewer retrieves data from the administrative server every 10 seconds. To change the rate at which data is retrieved from the server, do the following:

1. Select Setting -> Set Refresh Rate... from the main menu.

2. In the Set Refresh Rate window, type a positive integer representing the number of seconds. The integer must be 1 or greater.

3. Click OK.

 

Changing the data view

The data view mode determines whether counter values represent absolute values, changes in values, or rates of change. The data view mode meanings differ slightly depending on where you are viewing data. To change the data view mode:

1. Select Setting -> View Data As from the main menu.

2. Select from the following choices: Raw Value. Displays the absolute values. If the counter represents load data (for example, the pool size or the average number of live bean objects), the Tivoli Performance Viewer displays the current value followed by the average, for example 18(avg:5). Change in Value. Displays the change in the current value from a previous value. Rate of Change. Displays the ratio change/(T1 - T2), where change is the change in the current value from a previous value, T1 is the time when the current value was retrieved and T2 is the time when the previous value was retrieved.

 

Changing the buffer size

By default, the View Data window displays 40 rows, corresponding to the values of the last 40 data points retrieved from the server. To change the size of the table (number of rows displayed):

1. Select Setting -> Set Buffer Size... from the main menu.

2. In the Set Buffer Size window, specify the number of rows to display.

3. Click OK.

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