Simulator

Options...
Unlike 'Test Settings' Options belongs to whole Test. If a option is changed it affect the entire script in the test.
Stop Option...

A Test may contain more than one script and these script can be run sequentially or concurrently. Suppose each script is running sequentially and user wants to stop the simulation process by pressing stop button. The simulation process will not terminate immediately it will stop only after completing current running script. To stop immediately use second option, here the test will stop just completing the current request.
Add/Delete Vuser...
 

  Before starting simulation process we can add and delete vuser to a script by clicking 'Add Vuser' and 'Delete Vuser' button in the tool bar. To add and delete more than one vuser at a time use this option.
Time Out...

During the simulation process the simulator will try to connect with the server if the connection not established it will try for 2 times which is default option to try more than 2 time change this option.

During simulation process the simulator send request to the server waits for server response, the simulator wait for 120 sec which is default value if the simulator did not get any response from the server with in this time limit, simulator moves to the next request. To change the receive time out period use this option .

Proxy...

A Proxy is a intermediate server instead of communicating directly with the server simulator can able to connect with the proxy server and redirect all its request to proxy. To use the proxy server specify the proxy name (computer name) and port number where it is listening.
Iteration Speed...

Iteration is nothing but a vuser completes its process and repeat the process once again. Using this option we can give delay between each iteration or start the iteration as soon as possible.
Script Option...

A test may contain more than one script during simulation process using first option each script can be simulated sequentially i.e. simulating  one script at a time or we can simulate all the script concurrently using second option.
Error (Stop)...

During simulation process errors  may occurs like, HTTP error like client side error with 4xx error code and server side error with 5xx error code, receive time out error and Response Validation fail, to stop the vuser during these errors use first option. To continue even these error occurs use second option.
Vuser Log...

During simulation process full vuser log can be generated which contains request header, response header and html content. To log only HTTP header information use third option. To log HTTP header and full content for error use fourth option.
User-Agent

User-Agent is the client name used to interact with the server, in case of recording process it may be IE, or Firefox, or safari, etc, while simulation default user-agnet name will be used as LoadTracer, but it can be customized to other client browser name like, IE, Firefox, Safari with different version.

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