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Littles Law
United Kingdom
เข้าร่วมเมื่อ 25 มิ.ย. 2020
Welcome to my TH-cam channel! I'm Vasanth Shanmugam, a seasoned professional with 15 years of experience in performance testing, performance engineering, DevOps, Git, Azure Cloud, Jira, and Confluence.
Join me as we delve into the intricacies of performance testing, performance engineering, DevOps, Git, Azure Cloud, Jira, and Confluence. Through engaging videos, I break down complex concepts into easy-to-understand explanations, walk you through step-by-step tutorials, and share real-world examples to illustrate key principles.
With my 15 years of experience, I bring a wealth of knowledge to the table, allowing me to provide in-depth discussions, demonstrate industry-leading tools, and guide you on optimizing performance, ensuring scalability, and enhancing overall software quality.
So, software engineers, quality assurance professionals, and anyone interested in learning more hit the subscribe button, turn on notifications, and let's optimize our software together.
Join me as we delve into the intricacies of performance testing, performance engineering, DevOps, Git, Azure Cloud, Jira, and Confluence. Through engaging videos, I break down complex concepts into easy-to-understand explanations, walk you through step-by-step tutorials, and share real-world examples to illustrate key principles.
With my 15 years of experience, I bring a wealth of knowledge to the table, allowing me to provide in-depth discussions, demonstrate industry-leading tools, and guide you on optimizing performance, ensuring scalability, and enhancing overall software quality.
So, software engineers, quality assurance professionals, and anyone interested in learning more hit the subscribe button, turn on notifications, and let's optimize our software together.
GitHub Actions Tutorial: Manually Trigger Workflows with Workflow Dispatch
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มุมมอง: 8
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When to use web_reg_save_param_attrib and web_reg_save_param_regexp in LoadRunner #littleslaw
มุมมอง 892 ชั่วโมงที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this video from @littleslawyoutubechannel I have explained about where and how to use #web_reg_save_param_attrib and #web_reg_save_param_regexp functions in #loadrunner
How to monitor Web application using Azure Application insights + Learn Azure DevOps #littleslaw
มุมมอง 1109 ชั่วโมงที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this video from @littleslawyoutubechannel , I will take you through the following 1. Create a Azure App service Plan 2. Create an Azure Web App 3. Create a Azure Staging Web App 4. create Slop and swap the application 5. Azure Monitoring 6. Azure Application insights
Achieving 8 TPS for a 1 Hour Duration Test : Calculation Explained @littleslawyoutubechannel
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Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin Today in this video we will see how to achieve 8 TPS for a 1 Hour Duration test with the detailed calculation
How I Fixed the LoadRunner Recording Issue and Successfully Recorded the Script #littleslaw
มุมมอง 18014 ชั่วโมงที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin Today in this video from @littleslawyoutubechannel , I will take you through the challenges I faced and the steps I used to record the Loadrunner script..
How to solve NL-NETWORK-01 Error in Neoload #neoload #neoloadtutorials @littleslawyoutubechannel
มุมมอง 76วันที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this video, we will see the symptoms, reasons and solutions to solve nl-network-01 error in #neoload from @littleslawyoutubechannel
Why should I monitor Kubernetes during Performance testing #kubernetes #performanceengineering
มุมมอง 17114 วันที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this latest video from @littleslawyoutubechannel , I have discussed the main reasons on Why should you monitor #kubernetes metrics during #performancetesting
What are the common Performance Bottlenecks in #kubernetes
มุมมอง 19014 วันที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this video from @littleslawyoutubechannel , I have discussed about the common performance bottlenecks that you can observe in Kubernetes and also the solution to them.
How to Enable & Gather GC Logs to fix JVM Botttlenecks - Day 2 #performanceengineering #littleslaw
มุมมอง 16514 วันที่ผ่านมา
Join this channel to get access to perks: th-cam.com/channels/2h7JI9Sfijk8lAKlG2S6bA.htmljoin In this video from @littleslawyoutubechannel , we will talk about gathering data Garbage Collection (GC) logging is an essential tool for diagnosing memory-related performance issues in applications, especially those running on the Java Virtual Machine (JVM). GC logs provide insights into how the JVM i...
How to get browser specific User Agent Value for #chrome #edge #firefox @littleslawyoutubechannel
มุมมอง 7114 วันที่ผ่านมา
How to get browser specific User Agent Value for #chrome #edge #firefox @littleslawyoutubechannel
How to fix the JVM Performance Bottleneck - Day 1 #performanceengineering @jvm #bottlenecks
มุมมอง 22814 วันที่ผ่านมา
How to fix the JVM Performance Bottleneck - Day 1 #performanceengineering @jvm #bottlenecks
How to Estimate Performance Testing Effort using Template @littleslawyoutubechannel
มุมมอง 29614 วันที่ผ่านมา
How to Estimate Performance Testing Effort using Template @littleslawyoutubechannel
How to integrate and collaborate Tricentis Neoload with Azure Devops #neoload #azuredevops
มุมมอง 5921 วันที่ผ่านมา
How to integrate and collaborate Tricentis Neoload with Azure Devops #neoload #azuredevops
How to execute stored procedures using jmeter #jmeter #mysql @littleslawyoutubechannel
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How to execute stored procedures using jmeter #jmeter #mysql @littleslawyoutubechannel
How to run JMeter load test using Docker #docker #container @littleslawyoutubechannel
มุมมอง 34021 วันที่ผ่านมา
How to run JMeter load test using Docker #docker #container @littleslawyoutubechannel
How to use Beanshell function in JMeter | Realtime scripting challenge to generate random number
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How to use Beanshell function in JMeter | Realtime scripting challenge to generate random number
com.thoughtworks.xstream.converters.ConversionException #jmetertutorial @littleslawyoutubechannel
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com.thoughtworks.xstream.converters.ConversionException #jmetertutorial @littleslawyoutubechannel
How to do MongoDB Performance testing using JMeter #jmeter #mongodb #littleslaw #performancetesting
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How to do MongoDB Performance testing using JMeter #jmeter #mongodb #littleslaw #performancetesting
What are the various environments in Software Development and what roles do Testers play in each?
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What is Chaos Testing #chaostesting #gremlin #netflix #chaosmonkey
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What is Chaos Testing #chaostesting #gremlin #netflix #chaosmonkey
How to run #jmeter test from #jenkins and #github using #jenkinspipeline #cicd #littleslaw
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How to run #jmeter test from #jenkins and #github using #jenkinspipeline #cicd #littleslaw
Explain Java Architecture | Learn Java Virtual Machine From Beginner to Master #performancetesting
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Performance Engineering FAQs #indexing #databasetuning #performanceengineering #littleslaw
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Discussing the most Common Questions in Regular Expression #regularexpressions #interviewquestions
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How to use If Condition, If else and nested if in k6
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How to extend jmeter root certificate validity to 365 days #jmeter #jmetertutorial #littleslaw
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How to extend jmeter root certificate validity to 365 days #jmeter #jmetertutorial #littleslaw
How to determine Peak load for a New application #performancetesting #jmetertutorial #littleslaw
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How to determine Peak load for a New application #performancetesting #jmetertutorial #littleslaw
How to determine Peak user load for Load test for an existing application #performanceengineering
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How to determine Peak user load for Load test for an existing application #performanceengineering
How to execute JMeter Script using different browsers #jmeter #chrome #firefox #edge
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great video, I recommend lowering the volume on the music and this can make it hard to hear you speaking
This is my first video bro, please watch my latest video .. thanks
Hi, my Vugen is facing issue. when i start recording browser is opening but application is not launching . a popup message is appearing as AUT Process is crashed. I tried all kind of methods(like Reinstalling, changed directory of LoadRunner file, with Proxy, tried version2021, tried installed version 2024). can you help me out?
Endurance Testing
Nice explanation
Thanks for the feedback
Thank You for NFR valuable information, Kindly share the sample template for ref.
Please continue the series
Interviewer asked me one question: 3000 tph, 60 transactions in one script, 30sec each iteration what is the pacing?
Pacing is 7.2 seconds to know more, subscribe to my channel and watch my next video. Thanks
This will not helped me, still showing that repository not found
Thanks man, I was trying to fix it for 1 week. now it is fixed thank you.
Thanks and please feel free to give a super thanks 🙏
sir how to get user agent value for specific browser
If anyone is having Neoload installation setup files kindly share to my maild ID. It's little urgent
Your email id please
@@littleslawyoutubechannel Thanks for sharing
@sandeepk3323 you welcome bro
when are you going to do a video of load testing.....God bless you with this performance testing video
The load testing video is done bro, check the full playlist please
Hi Team, getting this error while running parallel controller --- Using Java version 22 and Jmeter version 5.6.3 InaccessibleObjectException : Unable to make field.lang.threadlocal&threadlocalmap java.lang.thread.inheritablethreadlocals accessible : module java.base does not "opens java.lang" to unamed module @48fa0f47 How to fix ?
Let me check bro
Hello sir , As you said for spike testing is a type of performance testing in which an application receives a sudden and extreme increase or decrease in load. But you are sending only 10 users per 10 mins and then checking. Is it a valid thing? and how to know the application will be down so that we can stop sending 10 users per 10 mins
That’s just an example to demonstrate ..
Performance testing ippo enter agaporana..other than JMeter and loadrunner, vera endha tools la kadippa learn pannanum ?
I have been working on jmeter since last 5 year. i started to learn new tool and chosen loadrunner. finally i have recorded my first script. thanks sir for your valuable effort.
Sir, where did you get the passed and failed data? Which listener in jmeter?
In view results tree
Thank you sir
@littleslawyoutubechannel sir how did you compile all the results in row? Because I'm getting a lot of responses and I don't which sample should I get in every response. Thank you
Hi your video is very useful but this video is confusing video please explain again and implement in jmeter
Which part you could not understand in the video
Hi is it possible to record script with applications having microsoft login in jmeter?
Yes you have to implement proper oAuth
@@littleslawyoutubechannel Thank you, do you have any sample jmx with this implementation
@sajilch7052 nope sorry, but I am plannning to create one in future . Please stay connected
@@littleslawyoutubechannel Great, waiting for your video
Hi Vasanth You mentioned in video that you will attach Excel sheet & We culdn't able to find?
You can take it from my GitHub repo
@@littleslawyoutubechannel is TPS and throughput same? and how to adjust Ramp up period?
@Brijendra9322 yes Ramp up period is another key factor to consider in terms of TPS. I will explain it in another video with an example
love you ho gaya
Hello , i have a question: ,why neoload don't have patch http method, how to achieve this in Neoload?
Did you record the transaction ??
Recording is not working in jmeter anyone please let me know your suggestions
Did you set the right proxy ??
For more assistance join our WhatsApp channel
Yes I had set everything
@@rajesh9615 can you please whatsapp me?
Super sir
Hi Sir Followed same steps for android and ios but under wifi settings it is showing no internet connection whenever i setup network manually with my machine ip n port. Plz help
Yes that’s a sign that the proxy is set now you can start recording using jmeter
Thanks a lot..that really help me !!
You welcome
If we change the runtime timeout settings to 0 , will it not Result in more errors only? Our aim was to reduce the number of errors, please explain sir
It’s one of the possible solution and as I mentioned you have to try all the solutions to find the right one
Thanks for the video. I am getting below error while executing from Jmeter: ERROR c.s.l.LoadGenerator: Exception initializing Load Generator class: co.signal.loadgen.example.TagserveLoadGenerator java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_144] at co.signal.loadgen.LoadGenerator.createGenerator(LoadGenerator.java:67) [kafkameter-0.2.0.jar:?] at co.signal.loadgen.LoadGenerator.iterationStart(LoadGenerator.java:57) [kafkameter-0.2.0.jar:?] at org.apache.jmeter.control.GenericController.fireIterationStart(GenericController.java:412) [ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.GenericController.fireIterEvents(GenericController.java:404) [ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.GenericController.next(GenericController.java:170) [ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.LoopController.next(LoopController.java:119) [ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.threads.AbstractThreadGroup.next(AbstractThreadGroup.java:109) [ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:266) [ApacheJMeter_core.jar:5.6.2] at java.lang.Thread.run(Unknown Source) [?:1.8.0_144] Caused by: java.lang.RuntimeException: Site weights must sum to unity at co.signal.loadgen.example.TagserveLoadGenerator.parseSiteWeights(TagserveLoadGenerator.java:126) ~[kafkameter-0.2.0.jar:?] at co.signal.loadgen.example.TagserveLoadGenerator.<init>(TagserveLoadGenerator.java:61) ~[kafkameter-0.2.0.jar:?] ... 13 more 2024-07-25 12:18:42,966 ERROR o.a.j.t.JMeterThread: Test failed! java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at com.google.common.base.Throwables.propagate(Throwables.java:160) ~[guava-19.0.0.jar:?] at co.signal.loadgen.LoadGenerator.createGenerator(LoadGenerator.java:70) ~[kafkameter-0.2.0.jar:?] at co.signal.loadgen.LoadGenerator.iterationStart(LoadGenerator.java:57) ~[kafkameter-0.2.0.jar:?] at org.apache.jmeter.control.GenericController.fireIterationStart(GenericController.java:412) ~[ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.GenericController.fireIterEvents(GenericController.java:404) ~[ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.GenericController.next(GenericController.java:170) ~[ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.control.LoopController.next(LoopController.java:119) ~[ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.threads.AbstractThreadGroup.next(AbstractThreadGroup.java:109) ~[ApacheJMeter_core.jar:5.6.2] at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:266) [ApacheJMeter_core.jar:5.6.2] at java.lang.Thread.run(Unknown Source) [?:1.8.0_144] Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_144] at co.signal.loadgen.LoadGenerator.createGenerator(LoadGenerator.java:67) ~[kafkameter-0.2.0.jar:?] ... 8 more Caused by: java.lang.RuntimeException: Site weights must sum to unity at co.signal.loadgen.example.TagserveLoadGenerator.parseSiteWeights(TagserveLoadGenerator.java:126) ~[kafkameter-0.2.0.jar:?] at co.signal.loadgen.example.TagserveLoadGenerator.<init>(TagserveLoadGenerator.java:61) ~[kafkameter-0.2.0.jar:?] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_144] at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_144] at co.signal.loadgen.LoadGenerator.createGenerator(LoadGenerator.java:67) ~[kafkameter-0.2.0.jar:?] ... 8 more Pls help to understand the error.
Looks like some connection or config issue . Let me check
Muchas gracias. Me ayudó bastante. Like y subs
You welcome
The tutorial is very good. Can you please share us the second vodeo please
Will share with you very soon
thank you so much 👍👍
You welcome, please feel free to give a super thanks if it saved you time . Thanks again
Please also elaborate how we can decide either we can tune more or we move for scaling as the last resort.
Yes sure
Excellent explanation Vasanth 👏
Thanks for your feedback
Your content is too good sir, I want to suggest that don't need to insert meaningless images in this video.
Thanks for your feedback
Hi, your explanation is awesome but I have one suggestion please maintain the bean shell piece code in video, it will helpful to copy and try it. Thanks for the videos.
I have all of them in my GitHub repository
Thanks for the video. By watching this video I understand that need to learn joins, order by and clause commands As a performance tester is there are any other commands should we learn for database testing using JMeter please. Please help me in learning the database testing and for the interview purpose
Sure bro, will do
thanks sir for this content
You welcome
Hi, Azure Load testing URL based is the part of SRE or QA Testing team?
Both
Hi, I have a concern as below: - Little's Law is applying for closed workload model, but irl most of the system are open workload, or at least partially open workload. How can you calculate TPS/RPS for this type of workload model? - Moreover, TPS/RPS distributions are not equal on APIs, so can you also share how to do calculations on these too ?
Hi Basant could you help me to know suppose you have single script,and you want distribute the load percentage wise for each transactions what we did using Throughput controller or in load runner using blocks...how to perform this scenario using neo load
Please use loop for transactions
@@littleslawyoutubechannel there is no way we can put % like lr nd jmeter
For scripts you can do not for transactions , if I am not wrong
I tried to record android application .But doesn't work.Do you have any solution for this?
Let me check
Can you pls suggest on following question : Suppose we have requirement of executing performance tests with 20,000 virtual users (VUs) but we have a license for 10,000 VUs, in that scenario what is our approaches & strategy
I would suggest to know that instead of virtual users try to narrow down the number of TPS you need to achieve? Try to adjust pacing and think time to achieve more TPS with less resources (It should be realistic). Then extrapolate the results from NFT to prod instead of testing completely. (if you don't have the license for the 20K users)
Excuse Sir, where did you get the CPU, Network and Memory Metrics? in the View Results Tree? thanks for the video!
Nope it’s just a validation checker , to view cpu, memory , you have to use APM tools or perfmon on nmon
thanks bro
You welcome bro
Which emulator are you using in this video ?or is it your mobile window.How to show this in our system.PLease explain i'm beginner in mobile app performance testing
I have used my iPhone
Waste fellow, u don't know how to create a workload model but u are populate misinformation
how can i get this new 54 file
You can download this from the github repository I showed you
ya i got it now.Thankyou
Goog presentation.Please do a video for how to do performance testing of mobile app using jmeter
How to record iOS mobile application using JMeter #jmetertutorial #littleslaw #mobiletesting th-cam.com/video/ZtC_w7c01AM/w-d-xo.html
Hi i have an issue here. I'm unable to record login creds. Everything is recorded but i cant see login credentials which i entered i dont know why. I have my setting exactly like yours shown in video. (-Entire login Creds tab is not recording-if i give right creds, But if i give wrong creds it is being recorded - Same issue with any website i try) It would be a great help you can guide me through this issue.
Sure , happpy to help you .. reach out me at vasanthtce@gmail.com
This is useful 🎉