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Average Response Time
Read Hit Ratio
Write Hit Ratio
Busy Ratio
This section describes the procedures for displaying a line indicating a threshold (index value for overloads) on
the graph. For threshold, refer to 3.2 "Monitoring Overloads".
On the Bar Graph screen, select a line or multiple lines for which you want to display threshold from the legend
display area, and then select [View]
On the Bar Graph screen, select a line or multiple lines for which you want to display threshold from the legend
display area, and then select [Show Threshold in graph] from the popup menu by right-click.
On the Bar Graph screen, select a line or multiple lines for which you want to display threshold from the legend
display area, and then select [Show Threshold in graph] from the tool bar.
The threshold line is displayed on the graph. The line is displayed for time zone from the time the threshold is
set to the time it is unset. When a value exceeded the threshold line, hatch lines are displayed until the time
when the Release Threshold Excess function is executed.
The Bar Graph screen allows changing display items by selecting [View] menu (similar operation is available by
toolbar buttons). For example, selecting [I/O Density] allows displaying a bar graph that shows latest values of
I/O Density. Switching to other items is allowed by similar operation.
(Note 1)
A performance monitor server using older version software may not support some of the displaying functions. In
such a case, a graph frame only is displayed and a bar graph is not displayed. For displaying a bar graph, software
of the latest version is required.
Chapter 3 Operations of Performance Monitoring Function
[Show Threshold in graph].
I-41
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