If you are running a test of a complex web application environment with different servers and databases, you will want to monitor the performance of the different components of your environment. Different automated load testing tools give you the option to use installed monitoring agents or non-installed monitoring agents.
If you install a monitoring agent on a server, data can be collected directly on the server and sent to the machine collecting the data for the test of the entire web application. While a non-installed agent will require that, you send a request to the monitored servers and then wait for the data to be sent back to the client. An installed monitoring agent has more time to gather and send data to a central machine. With a non-installed agent monitor there is a larger risk of network traffic interrupting the flow of data back and forth between the client and server.
However, most network administrators would prefer no agent was installed on one of their live production servers. If nothing is installed, a network administrator does not have to do anything or worry about the installed agent disrupting their server.
Mercury Interactive provides monitors that are not installed on a server.
Quotium Technologies provides you with the option to either use non-installed agent monitors or installed agent monitors on a windows server.
If you are running a test of a complex web application environment with different servers and databases, you will want to monitor the performance of the different components of your environment. Different automated load testing tools give you the option to use installed monitoring agents or non-installed monitoring agents on the servers.
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