What is LoadRunner?
LoadRunner works by creating virtual users WHO take the place of real user’s operational consumer computer code, like causing requests exploitation the HTTP protocol to IIS or Apache net servers. Requests from several virtual user purchasers area unit generated by Load Generators so as to make a load on varied servers beneath take a look at.
These load generator agents area unit started and stopped by Mercury's Controller program. The Controller controls load take a look at runs supported situations invoking compiled Scripts and associated Run-time Settings.
Now allow us to flip our attention to the analysis of the performance take a look at results. As I actually have mentioned in my earlier post, What data does one have to be compelled to have so as to try to smart or best performance testing?, once you run your take a look at, you must initial check if the performance take a look at itself was valid.
Initially, you will not be ready to understand whether or not the errors you see area unit errors thrown thanks to the constraints of your application/ infrastructure or thanks to defects in your take a look at atmosphere. Therefore, you must begin out with an easy and little take a look at (e.g. by employing a tiny range of virtual users, few transactions per second, short take a look at length so on). Examine any errors raised by your take a look at.
Try to establish the explanation of the foremost common errors and alter your script(s), take a look at or tool/ infrastructure configuration consequently.
However, you must build only 1 modification at a time to your script(s) or take a look at LoadRunner Training Institute in Delhi, The advantage of this can be that if your modification were incorrect, you'd be ready to rollback your modification and check out one thing else.
When you area unit ready to run an easy and little take a look at with success (with least errors), it's time to develop your take a look at. Again, do that incrementally. Run the take a look at once, analyze the results and address any issues with the take a look at atmosphere before you create another modification thereto. Still develop your take a look at till you've got your full text obtainable with you.
Even with an honest handle on the errors and supporting information from multiple sources, you must not run your take a look at just one occasion. Run a similar take a look at multiple times and see if the results match with one another (more or less). If the results don't match, you must ascertain the explanation for the pair and address it in your take a look at atmosphere.
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