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performance bottlenecks can be identified by using monitors these monitors might be application server monitors database server monitors web server
application of plca a plc is used to start and stop the motors of a segmented conveyor beli this allows only belt section
the input output systemthe input output system provides the physical connection between the equipment and the plc there are
using web resource monitors we can search the performance of web servers using these monitors we can examine throughput on the web server number
the central processing unit the central processing unit is the brain of whole plc the cpu consist of a microprocessor memory
components of plc there are followings three main components of plc athe power supply and rackbthe central processing unit cpucthe
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
followings are the disadvantages of plcatoo much work required in connecting wiresbdifficulty with changes or replacementscdifficulty in
there are many advantages of plc athe plc was specifically designed for harsh conditions with electrical noise magnetic fields
plc programmable logical controller plc stand for programmable logical controller plc is an industrial computer used
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
comparison of induction and dielectric heating after studying the induction and dielectric heating followings points may
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
effect of supply voltage aas the applied as voltage is increased hysteresis loss increasesbeddy current losses are given byw e alpha f2
functionality under load can be tested by running various vusers concurrently by enhancing the amount of vusers we can verify how much load the
effect of frequency afrom equation for given h p and mup v alpha radicfbfrom equation the depth of penetration for a given materialdelta
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