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magento is a feature-rich ecommerce platform built on open-source technology that gives online merchants with unprecedented flexibility and
the lrdstmt function associates a character string generally a sql statement with a cursor this function sets a sql statement to be processed
if the throughput scales upward as time progresses and the number of vusers enhance this showing that the bandwidth is sufficient if the graph were
vuserinit action haves procedures to login to a server
if various load generators need to access the similar physical files rather than having to remember to copy the files every time they change each
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
the throughput graph represents the amount of data in bytes that the vusers received from the server in a second when we evaluate this with the
performance bottlenecks can be identified by using monitors these monitors might be application server monitors database server monitors web server
using web resource monitors we can search the performance of web servers using these monitors we can examine throughput on the web server number
overlay graph it overlay the content of two graphs that shares an ordinary x-axis left y-axis on the merged graph shows the present graphs value amp
what component of loadrunner would you use to play back the script in multi user modeans the controller component is used to playback the script in
automatic correlation from web point of sight can be set in recording options and correlation tab here we can enable correlation for the whole script
loadrunner script code acquired from recording in the ansi c language syntax shown by icons in icon view until you click script view
vugen have two options to help debug vuser scripts-the run step by step command and breakpoints the debug settings in the options dialog box permit
functionality under load can be tested by running various vusers concurrently by enhancing the amount of vusers we can verify how much load the
parameters are like script variables they are used to vary input to the server and to imitate real users dissimilar sets of data are sent to the
scenarios encapsulate the vuser groups and scripts to be implemented on load generators at run-timemanual scenarios can deal out the total number of
timing for both read and update transactions should be gathered to verify whether system functions are being performed in an acceptable timeframe
the workings of loadrunner are the virtual user generator controller and the agent process loadrunner examines and monitoring loadrunner books online
you insert rendezvous points into vuser scripts to imitate heavy user load on the server rendezvous points instruct vusers to wait during test
we use vugen to make a vuser script by recording a user performing typical business processes on a customer application vugen makes the script by
processpidstart timeend timeprioritytimeslicelist of cpu burstslist of io bursts the number of io burst will always be 1 less than the number of cpu
the runqueue is the list of runnable processes on a given processor there is only one runqueue per processor each runqueue contains two priority
what component of loadrunner would you use to record a scriptans the virtual user generator vugen component is used to record a script it enables you
we perform load testing once we are completed with interface gui testing modern system architectures are large and difficult whereas one user testing