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Rational Testmanager is a complicated tool that can be used for automating performance tests on client/server systems. A client/server system have client applications accessing a database or application server, and browsers accessing a Web server.
Performance testing uses Rational Robot and Rational TestManager. Use Robot to record client/server conversations and kept them in scripts. Use TestManager to schedule and play back the scripts.By the time of playback, TestManager can emulate hundreds, even thousands, of users placing heavy loads and stress on your database and Web servers.
What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
Q. If a plane is in the air also there is a fly flying inside the plane does the plane get heavier when the fly lands? Answer:- It is true that a fly puts weight on a plan
Make a file "parts_inv.dat" that stores on each line a part number, cost, and quantity in inventory, e.g.: 123 5.99 52 456 3.97 100 333 2.22 567 Use fscanf to read this infor
For the following, cmd1 and cmd2 are arbitrary UNIX commands, and file1 and file2 are files owned by you. Write UNIX (bash) commands to: (a) Run cmd1 and append its output to f
Using Web resource monitors we can search the performance of web servers. Using these monitors we can examine throughput on the web server, number of hits per second that happened
What is Expansion swap? At the time when any process needs more memory than it is currently allocated, the Kernel performs Expansion swap. To do this Kernel reserves enough spa
The Peripheral interface chip system requires the construction of the interface chip circuit, which is controlled by main micro-controller via the user interface. I also need set
Q. What is Dots per Inch? DPI (Dots per Inch) is a measure for actual sharpness of onscreen image. This relies on both the resolution and size of the image. Practical experienc
VuGen gives the facility to use multithreading. This enables more Vusers to be run pergenerator. If the Vuser is run as a process, the similar driver program is loaded into memory
Q. Describe buffer of receiving process? MPI_Gather (Sendaddr, Scount, Sdatatype, Receiveaddr, Rcount, Rdatatype,Rank, Comm): 'Using this function process with rank' rank
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