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Monitoring Traffic > Using Performance graphs
Using Performance graphs
Help | Content Gateway | Version 7.7.3
The Performance graphing tool (Multi Router Traffic Grapher) 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.
Go to Monitor > Performance to access performance graphs.
 
* 
Important 
To run Multi Router Traffic Grapher (the Performance graphing tool), you must have Perl version 5.005 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 display.
2.
On the Monitor tab, click Performance.
3.
Click Overview to see a subset of available graphs.
Click Daily to see statistics for the current day.
Click Weekly to see statistics for the current week.
Click Monthly to see statistics for the current month.
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 Multi Router Traffic Grapher (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.
At the command prompt, type
perl ./pathfix.pl 'which perl'
to ensure that the perl binary is in your PATH.
3.
Change to the Content Gateway bin directory (/opt/WCG/bin).
4.
Modify the MRTG update interval by typing the following at the command prompt:
./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.
5.
Start the MRTG cron updates:
./mrtgcron start
6.
Wait about 15 minutes before accessing the performance graphs from the Content Gateway Manager.
 
* 
Note 
To stop MRTG cron updates, type the command
./mrtgcron stop
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Monitoring Traffic > Using Performance graphs