4 Overview

Overview

The Monitoring → Overview section may display either:

• Trigger overview - an overview of trigger states

• Data overview - a comparison of data for various hosts at once

The following additional display options are available:

• select horizontal or vertical display of information in the Hosts location dropdown

Note that there is a hard-coded limit of 50 records displayed. There is no pagination. If more records exist, a message is displayed at the bottom of the table, asking to provide more specific filtering criteria.

Overview of triggers

In the next screenshot Trigger overview is selected. As a result, the trigger states of a local host are displayed as colored blocks (the color of problem triggers depends on the problem severity color, which can be adjusted in the problem update screen):

Note that recent trigger changes (within the last 2 minutes) will be displayed as blinking blocks.

Blue up and down arrows indicate triggers that have dependencies. On mouseover, dependency details are revealed.

A checkbox icon indicates acknowledged problems. All problems or resolved problems of the trigger must be acknowledged for this icon to be displayed.

Clicking on a trigger block provides context-dependent links to problem events of the trigger, the problem acknowledgment screen, trigger configuration, trigger URL or a simple graph/latest values list.

Buttons

Button to the right offers the following option:

Additional information on the page content is displayed if you roll the mouse over this button.

View mode buttons being common for all sections are described on the Monitoring page.

Using filter

You can use the filter to display only the problems you are interested in. The filter is located above the table.

Overview of data

In the next screenshot Data overview is selected. As a result, item data of a local host is displayed.

The color of problem items is based on the problem severity color, which can be adjusted in the problem update screen.

Only values that fall within the last 24 hours are displayed by default. This limit has been introduced with the aim of improving initial loading times for large pages of latest data. It is also possible to change this limitation by changing the value of ZBX_HISTORY_PERIOD constant in include/defines.inc.php.

Clicking on a piece of data offers links to some predefined graphs or latest values.

Using filter

You can use the filter to display only the data you are interested in. The filter is located above the table.