Real server trends

This help contains the following topics:

Introduction

This page displays the real server statistics over time.

You can first select one or multiple trends in the Select widgets list, and then specify the real server scope and statistics duration in the Statistics conditions section to view the selected trends.

To view real server trend statistics, you must first enable Load balancing | Real server trend statistics and Load balancing | Real server trend statistics(server status) on the System > Log Settings > Storage Space Settings page.

Select widgets

Click Select widgets and select one or multiple of the following trends.

Traffic trend

Select Traffic trend to view the traffic trend of the specified real servers over time.

Click the Set icon in the upper right corner of the widget to specify a traffic direction. Options are:

New connections trend

Select New connections trend to view the average number of connections established with the specified real servers per second.

Concurrent connections trend

Select Concurrent connections trend to view the number of active connections for the specified real servers.

Stability trend

Select Stability trend to view the stability trend of the specified real server.

This widget displays the stability trend of only one real server.

HTTP delay trend

Select HTTP delay trend to view the HTTP delay trend of the specified real servers over time. HTTP delay is the packet processing time on a real server. The lower the HTTP delay, the better the performance of the real server.

Set statistics conditions

  1. Click Statistics conditions to set the conditions as shown in Table-1.

    Table-1 Real server statistics conditions

    Item

    Description

    Auto refresh

    Enable or disable auto refresh for the trend statistics page.

    After you enable this function, the device will automatically refresh the trend statistics page at the specified refresh intervals.

    Refresh interval

    Specify the interval to automatically refresh the trend statistics page.

    Real server scope

    Specify the real server scope for collecting trend statistics. Options are:

    • Top 3 real servers: Displays trend statistics for only the top 3 real servers.

    • Specify real servers: Displays trend statistics for the specified real servers.

    Duration

    Specify the duration for collecting trend statistics. Options are:

    • Last 10 minutes

    • Last hour

    • Last day

    • Last week

    • Last 30 days

    • Customize: You must set a specific duration.

  2. Click Start to enable the device to collect real server statistics based on the specified statistics conditions and display the trends.

vSystem support information

Support of non-default vSystems for this feature depends on the device model. This feature is available on the Web interface only if it is supported.