Load Testing & Apache JMeter
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This document discusses load testing using Apache JMeter. It covers planning a load test including time, tools, equipment and data needed. It describes JMeter components like thread groups, samplers and listeners. It discusses parameterizing tests for different environments and scenarios. The document also addresses recording tests, adding delays to mimic reality, handling Ajax requests, running data driven tests and evaluating results using JMeter reporters and Java monitoring tools. It emphasizes planning effectively, using Selenium tests as a base, parameterizing tests, and creating readable tests.
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Load testing simulates multiple users accessing an application simultaneously to evaluate performance under different load scenarios. There are three main types of load testing:
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Test talk academy apachejmeter-120521121306-phpapp02
The document provides an overview of Apache JMeter, an open-source load testing tool. It discusses what organizations want to avoid through load testing and defines load testing. It then introduces JMeter, covering its requirements and installation, architecture, key elements of a test plan like thread groups, controllers, samplers, listeners, timers, assertions, and more. It explains concepts like logic controllers, test fragments, and distributed testing capabilities. The document is a guide to using JMeter for load and performance testing.
Generic exploratory-charter-template-empty
The charter session will verify that the system performs as expected without any errors or adverse functionality. It will test the system in various environments using different browsers, platforms, and input data. Issues and bugs encountered will be documented and reported on to determine if the system meets its intended purpose.
Testing Tools Online Training.pdf
Enroll expert level Online Testing Tools Training by Spiritsofts, Learn Testing Tools Certification Training with Course Material, Tutorial Videos, Attend Demo for free & you will find Spiritsofts is the best Online Training Institute within reasonable fee. Software Testing
Spiritsofts is the best Training Institutes to expand your skills and knowledge. We Provides the best learning Environment. Obtain all the training by our expert professionals which is having working experience from Top IT companies.
The Training in is every thing we explained based on real time scenarios, it works which we do in companies.
JakartaOne Livestream CN4J: Eclipse MicroProfile - Your Cloud-Native Companion
This document discusses Eclipse MicroProfile, a specification that optimizes Enterprise Java for microservices architectures. It introduces key MicroProfile specifications including Config, OpenTracing, and Metrics. Config allows configuration from sources like etcd. OpenTracing provides distributed tracing across services using tools like Jaeger. Metrics monitors system parameters and exposes them in formats like Prometheus. The document demonstrates these features and concludes that MicroProfile provides an easy way to integrate common CNCF projects into Java applications.
Performance Testing using Real Browsers with JMeter & Webdriver
Learn how to easily run performance tests with real browsers using Selenium WebDriver.
Ophir Prusak, BlazeMeter’s Chief Evangelist, gives step-by-step instructions on doing this using BlazeMeter and/or JMeter.
Learn how to:
- Correlate actual browser-based user experience with the load tests
- Run multiple Selenium Webdriver tests in parallel at scale by using the power of the cloud
- Do it all without any prior JMeter knowledge or experience!
20110812 CyberTAN presentation
This is my slides' content when I visit cusotmer for first time!
You also can understand what my comapny's do via this presentation!
MyHeritage - End 2 End testing Infra
In this presentation we explain how we use Watir, Ruby, Cumcumber and other supporting technologies to allow end to end testing in MyHeritage.
These are the links to resource mentioned in the presentation:
Ruby - https://www.ruby-lang.org/en/
Watir - http://watirwebdriver.com/
page-object - https://github.com/cheezy/page-object
Selenium Grid - https://github.com/SeleniumHQ/selenium/wiki/Grid2
Selenium-Grid-Extras - https://github.com/groupon/Selenium-Grid-Extras
Jenkins - https://jenkins-ci.org/
We also explain how QA automation engineers are an integral part of the Continuous Deployment process at MyHeritage
JMeter
An introduction to the advantages of the features of JMeter 4.0. In addition, I will talk a little bit about the way that a real project applies it for continuous integration on TeamCity to get the test result in every day
Jmeter_Presentaion_Parag
JMeter is an open source tool used for load and performance testing. It allows users to test the responsiveness, throughput, reliability, and scalability of systems under different workloads. JMeter can test web applications, databases, SOAP services and more. It has a GUI for building test plans with thread groups, samplers, listeners and other elements. Tests can be recorded and parameterized. JMeter also supports distributed testing across multiple systems to simulate high loads.
Testing Tools course training institute hyderabad – Best software training in...
This document provides an overview of the content covered in a testing tools course training program in Hyderabad, India. The course covers topics like manual testing, automation testing using QuickTest Professional (QTP), performance testing using LoadRunner, and quality management using HP Quality Center (QC). It discusses concepts, techniques and tools related to software testing across the entire testing life cycle from requirements to deployment. The training aims to equip students with skills needed for testing roles through lectures, demonstrations and hands-on exercises.
MyHeritage - QA Automations in a Continuous Deployment environment
In this presentation we explain the CD mindset of the MyHeritage QA and how we use Watir, Appium, Ruby, Cumcumber and other supporting technologies to allow end to end testing.
These are the link mentioned in the presentation:
Continuous Deployment Applied at MyHeritage - http://www.slideshare.net/RanLevy/continuous-deployment-applied-at-myheritage
Appium - http://appium.io/
Ruby - https://www.ruby-lang.org/en/
Watir - http://watirwebdriver.com/
page-object - https://github.com/cheezy/page-object
Selenium Grid - https://github.com/SeleniumHQ/selenium/wiki/Grid2
Selenium-Grid-Extras - https://github.com/groupon/Selenium-Grid-Extras
Jenkins - https://jenkins-ci.org/
Performance tuning Grails applications
Grails has great performance characteristics but as with all full stack frameworks, attention must be paid to optimize performance. In this talk Lari will discuss common missteps that can easily be avoided and share tips and tricks which help profile and tune Grails applications.
Benchmarking NGINX for Accuracy and Results
View full webinar on demand at http://bit.ly/nginxbenchmarking
Whether you’re doing performance testing or planning for infrastructure needs, benchmarking can be a big deal. Join us for this webinar where we cover NGINX benchmarking best practices, including:
- the test environment
- configuring NGINX
- using benchmarking tools
- and more!
You’ll learn how to approach doing benchmarks so that you obtain results that are more accurate, better understood, and do a better job of addressing the needs of your project.
Java black box profiling JUG.EKB 2016
The document discusses various techniques for profiling Java applications to identify performance bottlenecks, including stack trace sampling, bytecode instrumentation, Java Management Extensions (JMX), flight recording, and tools like SwissJavaKnife. It emphasizes starting with broad profiling before narrowing down on specific problem areas using more advanced tools. Some key points covered are understanding the target problem and performance indicators, avoiding getting sidetracked, and progressing profiling steps slowly and steadily.
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Test talk academy apachejmeter-120521121306-phpapp02
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JakartaOne Livestream CN4J: Eclipse MicroProfile - Your Cloud-Native Companion
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Performance Testing using Real Browsers with JMeter & Webdriver
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Testing Tools course training institute hyderabad – Best software training in...
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MyHeritage - QA Automations in a Continuous Deployment environment
MyHeritage - QA Automations in a Continuous Deployment environment
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KAAccessControl
This document describes KAAccessControl, a framework for managing user access control and permissions. It provides concise summaries in 3 sentences or less that provide the high level and essential information from the document.
The framework allows defining roles, profiles, lists and managing user permissions through annotations and configuration files. It handles authentication but does not provide the authentication mechanism. The framework manages the current user's profile and permissions and allows impersonating other users through its user service class. Components check permissions by annotating allowed roles and querying the framework's access control services.
In memory OLAP engine
The document describes an in-memory OLAP engine created by Samuel Pelletier to enable fast querying of multidimensional data with millions of facts. It loads data into memory as plain old Java objects (POJOs) for faster access compared to entity objects or SQL queries. Dimensions are modeled as classes to index the facts and compute summarized results. The engine is multithreaded and designed for simplicity and minimal dependencies.
Using Nagios to monitor your WO systems
Nagios is an open source monitoring tool that has been available since 1999. It is commonly used to monitor servers, services, and applications. The document discusses how to install and configure Nagios on various platforms like CentOS, Ubuntu, and Mac OS X. It also provides examples of how to monitor common services like HTTP, MySQL, disk space, and custom applications using Nagios plugins. Graphing and alerting capabilities are discussed as well. The presentation concludes with a demonstration and Q&A section.
Build and deployment
This document discusses various tools and techniques for building and deploying software, including Git, Git hooks, Puppet, native packages, and Maven. It provides examples of using post-receive Git hooks to deploy code to servers, configuring Puppet modules to install packages and configure services, creating native packages with tools like fpm and Ant, and bundling deployment scripts within packages.
High availability
The document discusses various strategies for achieving high availability of web applications and databases. It covers evaluating business requirements, DNS configuration, using cloud infrastructure or owning hardware, basic setups with application and database servers, database replication and clustering options, load balancing tools for Linux and cloud environments, auto scaling features, and monitoring. The key strategies presented include replicating databases, load balancing web traffic, auto-scaling cloud resources, and configuring failover between redundant application and database servers.
Reenabling SOAP using ERJaxWS
This document discusses enabling SOAP web services using ERJaxWS in WebObjects. It provides examples of how to create a SOAP service from Java classes or a WSDL, call an external SOAP service, handle data mapping and custom types, define web faults, create stateful services, add security, and troubleshoot SOAP services. Resources for further information on JAX-WS, JAXB, and SOAP are also included.
Chaining the Beast - Testing Wonder Applications in the Real World
This document discusses the importance of testing applications in the real world. It covers various types of testing including catching regressions, checking new features, and addressing issues like incorrect data or slow page responses. Specific testing methodologies are mentioned, like verifying models and business logic. The importance of usability testing is also covered, such as checking the appearance and interactivity of applications. Automated testing tools like Selenium are recommended for testing functionality across different browsers. Building invariant test pages can help find faults and browser-specific problems.
D2W Stateful Controllers
The document discusses stateful controllers in Direct To Web (D2W) applications built with WebObjects. It provides background on D2W and how controllers were traditionally implemented using ERDBranchDelegate and NextPageDelegate. Stateful controllers improve upon this by allowing controller classes to be reused across multiple pages while maintaining state between pages. This is done by overriding branchChoicesForContext to programmatically define branch choices and storing necessary objects like the editing context. The document provides examples of how stateful controllers can implement common page flows and interactions through utility methods while keeping code DRY and reusable.
Deploying WO on Windows
This document discusses deploying WebObjects applications on Windows. It covers setting up the Windows and WebObjects prerequisites, configuring the basic WOStart application launcher and WOSetup, demoing the setup process, and using JavaMonitor and WOTaskD to manage multiple applications across hosts. It also discusses potential issues like debugging WOStart and the WOAdaptor, using IIS or Apache as the web server, and common pitfalls in a Windows deployment. URLs are provided for downloading needed tools and components.
Unit Testing with WOUnit
The document discusses WOUnit, a unit testing framework for Wonder. It provides features like mocking the editing context, creating dummy objects to bypass validations, and spying on objects. Sample tests are shown to test validation rules and relationships. WOUnit aims to make testing simple, fast and support Wonder features like editing contexts through assertions and annotations like @Rule, @Dummy and @Spy.
Life outside WO
This document discusses alternatives to using WebObjects for developing web applications. It summarizes the key aspects of a stack that could satisfy former WebObjects developers, including:
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- HTML frameworks like Tapestry that are similar to WebObjects in allowing infinitely nestable page components.
- JAX-RS as a REST framework specification implemented by libraries like Jersey that maps HTTP requests to Java methods.
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Apache Cayenne for WO Devs
Apache Cayenne is an open source object-relational mapping framework for Java. It has been an Apache project since 2006 and has over 17 committers and 9 project management committee members. Cayenne provides tools for mapping database schemas to Java objects and vice versa, as well as tools for querying, caching query results, and handling object lifecycles. It aims to simplify working with relational databases for Java developers in a similar way to how Enterprise Objects Framework simplified it for Objective-C developers.
Advanced Apache Cayenne
This document provides an overview and demonstrations of advanced Apache Cayenne concepts including:
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2. Lifecycle events can be received via callbacks or listeners, with callbacks used for simple initialization and listeners for more complex workflows.
3. Caching in Cayenne includes object caching of entities by ID and query caching of result lists by generated keys, with local caching at the context level and shared caching at the domain level.
4. Demonstrations of object caching, query caching, and turning off cross-context synchronization, using query caching with expiration policies, and considering optimistic locking for performance.
Migrating existing Projects to Wonder
The document discusses the steps for migrating an existing project to Wonder, including:
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3) Starting the actual wonderization by importing Wonder frameworks and removing duplicate jars.
iOS for ERREST - alternative version
This document discusses iOS application architecture and REST client implementation. It covers common iOS concepts like MVC, UIKit, table views and their data sources. It also describes a Comet architecture using a REST API and database to retrieve and display product data in a table. The controller implements the table view data source and delegate methods to display the data and handle user interactions like tapping rows.
iOS for ERREST
This document discusses using iOS apps as clients for ERREST servers. It provides an example architecture of an iOS app connecting to an ERREST backend using REST calls. It also includes code snippets showing how to make REST requests using classes like PLRestful and CometAPI that handle the network requests and JSON parsing. The document is intended to explain how to build iOS clients for existing ERREST backends rather than how to code the iOS apps themselves.
"Framework Principal" pattern
This document discusses the "Framework Principal" pattern which allows optimizing resource usage across multiple applications by initializing shared services and configurations in a single starter class. The Framework Principal runs very early and can be used to launch services independently of any application based on configuration properties. It provides examples of how to configure different applications to use the same Framework Principal by specifying different property files and user names for production vs sandbox environments. This allows launching shared services only once across multiple applications rather than separately in each one.
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This document discusses filtering data in Direct to Web (D2W) by limiting the visibility of data based on the current user or company. It presents two solutions:
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2. Using query and relationship components in D2W that call business logic to generate the appropriate qualifiers and restricted data sources. This provides a cleaner, more reusable approach compared to the first solution.
The document also discusses enhancing relationship components to support restricting fetch specifications to simplify generating qualifiers across different entities and relationships. In summary, it focuses on programmatically filtering data in D2
WOver
The document discusses the WOver, a small mobile robot built using a Raspberry Pi single board computer connected via serial interface to control an Asuro driving module. It provides instructions to connect to its WiFi network and control interface webpage to drive the robot. Details are given on the hardware components used, including the Raspberry Pi, Asuro driving module, and custom operating system on the module to receive motor control commands from the Raspberry Pi. Potential next steps discussed include adding database, games, sensors, power management, camera, and benchmarks.
Localizing your apps for multibyte languages
This document discusses considerations for localizing apps to support multibyte languages. It covers setting the encoding in Eclipse, Ant builds, and database connections to UTF-8. It also discusses features of Japanese like reading direction from right to left, lack of word spacing, and the different character sets of kanji, hiragana, katakana and their encodings. The document recommends converting all characters to single byte widths before storing in databases for ease of use and searching.
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Folding is a recent technique for building efficient recursive SNARKs. Several elegant folding protocols have been proposed, such as Nova, Supernova, Hypernova, Protostar, and others. However, all of them rely on an additively homomorphic commitment scheme based on discrete log, and are therefore not post-quantum secure. In this work we present LatticeFold, the first lattice-based folding protocol based on the Module SIS problem. This folding protocol naturally leads to an efficient recursive lattice-based SNARK and an efficient PCD scheme. LatticeFold supports folding low-degree relations, such as R1CS, as well as high-degree relations, such as CCS. The key challenge is to construct a secure folding protocol that works with the Ajtai commitment scheme. The difficulty, is ensuring that extracted witnesses are low norm through many rounds of folding. We present a novel technique using the sumcheck protocol to ensure that extracted witnesses are always low norm no matter how many rounds of folding are used. Our evaluation of the final proof system suggests that it is as performant as Hypernova, while providing post-quantum security.
Paper Link: https://eprint.iacr.org/2024/257
5th LF Energy Power Grid Model Meet-up Slides
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It is with great pleasure that we extend to you an invitation to the 5th Power Grid Model Meet-up, scheduled for 6th June 2024. This event will adopt a hybrid format, allowing participants to join us either through an online Mircosoft Teams session or in person at TU/e located at Den Dolech 2, Eindhoven, Netherlands. The meet-up will be hosted by Eindhoven University of Technology (TU/e), a research university specializing in engineering science & technology.
Power Grid Model
The global energy transition is placing new and unprecedented demands on Distribution System Operators (DSOs). Alongside upgrades to grid capacity, processes such as digitization, capacity optimization, and congestion management are becoming vital for delivering reliable services.
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Power Grid Model is currently being applied in a wide variety of use cases, including grid planning, expansion, reliability, and congestion studies. It can also help in analyzing the impact of renewable energy integration, assessing the effects of disturbances or faults, and developing strategies for grid control and optimization.
What to expect
For the upcoming meetup we are organizing, we have an exciting lineup of activities planned:
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During the hour, we’ll take you through:
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How information systems are built or acquired puts information, which is what they should be about, in a secondary place. Our language adapted accordingly, and we no longer talk about information systems but applications. Applications evolved in a way to break data into diverse fragments, tightly coupled with applications and expensive to integrate. The result is technical debt, which is re-paid by taking even bigger "loans", resulting in an ever-increasing technical debt. Software engineering and procurement practices work in sync with market forces to maintain this trend. This talk demonstrates how natural this situation is. The question is: can something be done to reverse the trend?
“How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-eff...
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For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/how-axelera-ai-uses-digital-compute-in-memory-to-deliver-fast-and-energy-efficient-computer-vision-a-presentation-from-axelera-ai/
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June Patch Tuesday
Ivanti’s Patch Tuesday breakdown goes beyond patching your applications and brings you the intelligence and guidance needed to prioritize where to focus your attention first. Catch early analysis on our Ivanti blog, then join industry expert Chris Goettl for the Patch Tuesday Webinar Event. There we’ll do a deep dive into each of the bulletins and give guidance on the risks associated with the newly-identified vulnerabilities.
HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
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GraphRAG for Life Science to increase LLM accuracy
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[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...
The typical problem in product engineering is not bad strategy, so much as “no strategy”. This leads to confusion, lack of motivation, and incoherent action. The next time you look for a strategy and find an empty space, instead of waiting for it to be filled, I will show you how to fill it in yourself. If you’re wrong, it forces a correction. If you’re right, it helps create focus. I’ll share how I’ve approached this in the past, both what works and lessons for what didn’t work so well.
“Temporal Event Neural Networks: A More Efficient Alternative to the Transfor...
“Temporal Event Neural Networks: A More Efficient Alternative to the Transfor...Edge AI and Vision Alliance
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/temporal-event-neural-networks-a-more-efficient-alternative-to-the-transformer-a-presentation-from-brainchip/
Chris Jones, Director of Product Management at BrainChip , presents the “Temporal Event Neural Networks: A More Efficient Alternative to the Transformer” tutorial at the May 2024 Embedded Vision Summit.
The expansion of AI services necessitates enhanced computational capabilities on edge devices. Temporal Event Neural Networks (TENNs), developed by BrainChip, represent a novel and highly efficient state-space network. TENNs demonstrate exceptional proficiency in handling multi-dimensional streaming data, facilitating advancements in object detection, action recognition, speech enhancement and language model/sequence generation. Through the utilization of polynomial-based continuous convolutions, TENNs streamline models, expedite training processes and significantly diminish memory requirements, achieving notable reductions of up to 50x in parameters and 5,000x in energy consumption compared to prevailing methodologies like transformers.
Integration with BrainChip’s Akida neuromorphic hardware IP further enhances TENNs’ capabilities, enabling the realization of highly capable, portable and passively cooled edge devices. This presentation delves into the technical innovations underlying TENNs, presents real-world benchmarks, and elucidates how this cutting-edge approach is positioned to revolutionize edge AI across diverse applications.Recently uploaded (20)
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Load Testing & Apache JMeter
- 1. Load Testing & Apache JMeter Chuck Hill Global Village Consulting, Inc. WOWODC 2010
- 2. What, Why, How? • Why? • What? • When? • Where? • How?
- 3. Planning for Load Testing • Time • Tools • Equipment • Information • Lots of data
- 7. Thread Group
- 8. Sampler
- 9. Listeners
- 10. Timers
- 11. Assertions
- 12. Test Parameterization • Parameterize for • different environments • different scenarios • different data • Start Early!
- 13. Parameters on Test Plan
- 16. Complications of WOe • URL is recorded in Sampler so... ‣ Session ID and Instance Number ➡HTTP Cookie Manager ‣ Context ID ➡A problem, but only in loops
- 17. Session ID and Instance Number
- 18. Use Matches in URL
- 19. Find Context ID
- 20. Use Context ID
- 21. Recording Tests • Record and refine • Use Selenium for repeatability • Run tests slowly
- 22. Recording Problems • ERXSwitchComponent -Der.extensions.WOSwitchComponent.patch=false • Copy and Paste to Test Plan
- 23. Delays for Reality • Pause for realistic results • Constant Timer • Gaussion Random Timer • Uniform Random Timer • Combinations of Timers
- 24. Ajax! • The good news... • The bad news... • XPath Extractor • JavaScript • AjaxUpdateContainer and friends
- 26. Upload Problem
- 27. Running the Tests • Run from GUI • Run from command line / script • Run from multiple machines
- 28. Evaluating Test Results • JMeter Reporters (Listeners) • response times: min, max, avg, std dev • error count • ActivityMonitor.app & ServerAdmin.app • memory, CPU, network • JavaMonitor • Transaction Average, Average Idle Period
- 29. Summary Report
- 30. Creating Effective Tests • Work as super-user • Use Selenium tests as base • Run against known DB backup • Parameterize tests • Use assertions
- 32. Q&A Load Testing and Apache JMeter Chuck Hill Global Village Consulting