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Monitoring Traffic > Using Performance graphs
Using Performance graphs
Help | Content Gateway | v8.5.x
The Performance graphing tool (Multi Router Traffic Grapher [MRTG]) allows you to monitor Content Gateway performance and analyze network traffic. Performance graphs show information about virtual memory usage, client connections, cache hit and miss rates, and so on. The information provided is recorded from the time that Content Gateway was started. Statistics are gathered at 5-minute intervals.
Use the Monitor > Performance page in the Content Gateway manager to access performance graphs.
 
* 
Important 
To run MRTG, you must have Perl v5.005 or later installed on your Content Gateway system.
1.
If your Content Gateway node is in a cluster, select the node whose statistics you want to view from the Monitor > My Proxy > Summary page.
2.
Go to the Performance > Monitor page.
3.
Select an option:
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Click Overview to see a subset of available graphs.
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Click Daily to see statistics for the current day.
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Click Weekly to see statistics for the current week.
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Click Monthly to see statistics for the current month.
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Click Yearly to see statistics for the current year.
4.
Wait at least 15 minutes after starting Content Gateway before looking at the graphs. It takes several 5-minute sample intervals for the tool to initialize statistics.
If MRTG has not been configured, the system displays a message indicating that it is not available. To configure the tool:
1.
Make sure Perl 5.005 is installed on your system.
2.
To ensure that the perl binary is in your PATH, open a command shell, navigate to the bin directory (/opt/WCG/bin), and enter the following command:
perl ./pathfix.pl 'which perl'
3.
In the bin directory, use the following command to modify the MRTG update interval:
./update_mrtg;sleep 5;./update_mrtg;sleep 5;
By default, an MRTG update interval is set to 15 minutes. This command sets the update to 5 minutes.
4.
In the bin directory, start the MRTG cron updates:
./mrtgcron start
5.
Wait about 15 minutes before accessing the performance graphs from the Content Gateway manager.
 
* 
Note 
To stop MRTG cron updates, use the following command:
./mrtgcron stop

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Monitoring Traffic > Using Performance graphs
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