Stating the obvious - 121 Test Automation Day, Dublin, 2018Giulio Vian
121 Test Automation Day
Dublin, May 23rd 2018
https://1point21gws.com/testingsummit/dublin/
Stating the obvious: adding performance and scalability tests to a Continuous Integration pipeline
Performance and scalability are core quality attributes of any system; unit testing, integration testing, UI testing, they all focus on functional requirements. Good performances mean happy users, less resource usage which translates to lower running costs (power, cloud bills) and customer retention.
In this session we will recall some basic concept of performance testing and demonstrate some of the many tools available in the cloud.
We have spent many years testing our applications and systems manually and with test automation tools. During this time many bug root causes have been classified and could be detected automatically with special static analysis tools. Most of them could be applied at the early stages of development even before code is integrated into the main development branch. In this talk, I will go through available solutions and demonstrate what kinds of issues may be detected automatically reducing the time and effort of traditional testing.
Stating the obvious - 121 Test Automation Day, Dublin, 2018Giulio Vian
121 Test Automation Day
Dublin, May 23rd 2018
https://1point21gws.com/testingsummit/dublin/
Stating the obvious: adding performance and scalability tests to a Continuous Integration pipeline
Performance and scalability are core quality attributes of any system; unit testing, integration testing, UI testing, they all focus on functional requirements. Good performances mean happy users, less resource usage which translates to lower running costs (power, cloud bills) and customer retention.
In this session we will recall some basic concept of performance testing and demonstrate some of the many tools available in the cloud.
We have spent many years testing our applications and systems manually and with test automation tools. During this time many bug root causes have been classified and could be detected automatically with special static analysis tools. Most of them could be applied at the early stages of development even before code is integrated into the main development branch. In this talk, I will go through available solutions and demonstrate what kinds of issues may be detected automatically reducing the time and effort of traditional testing.
Andreas Grabner maintains that most performance and scalability problems don’t need a large or long running performance test or the expertise of a performance engineering guru. Don’t let anybody tell you that performance is too hard to practice because it actually is not. You can take the initiative and find these often serious defects. Andreas analyzed and spotted the performance and scalability issues in more than 200 applications last year. He shares his performance testing approaches and explores the top problem patterns that you can learn to spot in your apps. By looking at key metrics found in log files and performance monitoring data, you will learn to identify most problems with a single functional test and a simple five-user load test. The problem patterns Andreas explains are applicable to any type of technology and platform. Try out your new skills in your current testing project and take the first step toward becoming a performance diagnostic hero.
Presenters: Matthew Skelton and Rob Thatcher, Skelton Thatcher Consulting
Webinar: Operability is all about making software work well in Production. In this webinar, we explore practical, tried-and-tested, real world techniques for improving operability with many kinds of software systems, including cloud, Serverless, on-premise, and IoT: logging with Event IDs, Run Book dialogue sheets, endpoint healthchecks, correlation IDs, and lightweight User Personas.
Target audience: Software Developer, Tester, Software Architect, DevOps Engineer, Delivery Manager, Head of Delivery, Head of IT.
Benefits: Attendees will gain insights into operability and why this is important for modern software systems, along with practical experience of techniques to enhance operability in almost any software system they encounter.
Everyone is talking about test driven development (TDD) being so cool and elaborating for both developers and persons responsible for the projects success ( like project managers, project owners, and customers ). But very few projects are using TDD to gain its relieving aspects. How does that go along? Seems many project responsibles are uncertain about the efforts and direct benefits of TDD and step back. This talk is about a transition from a usual project to TDD. Within this talk I will raise some questions to be answered before moving and show the benefits of TDD for each party of the project setup. We will find possible impediments to be faced and will see how to get rid of them.
Release software is no less important than activities that precede it.
The Continuous Delivery is a set of practices and methodologies that build an ecosystem for the software development lifecycle.
We will see how to build this ecosystem around the applications developed, for which this release activities becomes a low-risk, inexpensive, fast and predictable.
Consolidation, cloud privé, cloud public, SQL As A Service etc. sont autant de scénarios de virtualisation possibles avec SQL Server. Cette session reposera les règles de bon usage de ce type de déploiement et les scénarios clés. Nous reviendrons sur quelques-unes des « Lessons learned from Azure ».
Consolidation, cloud privé, cloud public, SQL As A Service etc. sont autant de scénarios de virtualisation possibles avec SQL Server. Cette session reposera les règles de bon usage de ce type de déploiement et les scénarios clés. Nous reviendrons sur quelques-unes des « Lessons learned from Azure ».
Most dev teams have a very simple conception of software architecture. They start with a database, a user interface, and add layers of (DRY) mess between the two. Then they have a performance problem so they add memcache and mongodb (Now we're webscale!).
Months or years later, releasing new features in production gets harder and riskier: it's time for a rewrite. Let's use AnguNodeMvcDoop to solve all our maintainability issues! And the cycle starts over...
In this talk we'll see that software architecture is not defined by the technologies you use but by the high level principles you set. We'll see what really matters to make your information system maintainable and how to get there progressively!
Another day, another buzzword in the world of software development! ‘Microservices’ is a new approach to structuring server-side software. But is it really new? In this talk I’ll walk you through the birth and ‘raison d’etre’ of microservices and tell about pro’s and con’s of the approach.
Having laid the foundation, we will take a look at best-practices and patterns for building micro service architectures and combine this with a tour of current technologies and development tools.
Finally, I will take a quick look at the future and discuss some of the remaining challenges. All parts of the presentation will be accompanied by structural examples based on a real ecommerse system.
Why And When Should We Consider Stream Processing In Our Solutions Teqnation ...Soroosh Khodami
Session Recording on Youtube
https://www.youtube.com/watch?v=uWPZQ_HMy10
- Session Description
Do you find yourself bombarded with buzzwords and overwhelmed by the rapid emergence of new technologies? "Stream Processing" is a tech buzzword that has been around for some time but is still unfamiliar to many. Join this session to discover its potential in software systems. I will share insights from Apache Flink, Apache Beam, Google Dataflow, and my experiences at Bol.com (the biggest e-commerce platform in the Netherlands) as we cover:
- Stream Processing overview: main concepts and features
- Apache Beam vs. Spring Boot comparison
- Key Considerations for Using Stream Processing
- Learning strategies to navigate this evolving landscape.
Treating operational aspects of software as 'non-functional requirements' and 'an Ops problem' rather than a core part of the software product leads to poor live service and unexplained errors in Production.
Traceability, deployability, recoverability, diagnosability, monitorability, and high quality logging are key features of a software system, along with user-visible features surfaced via the UI, or a capability of an API endpoint.
However, many Product Owners understandably feel uneasy about taking on the (necessary) responsibility for prioritising operational features alongside user-visible and API features.
This session brings Scrum Masters and Product Owners up to speed on operational features and covers proven practices for improving operability in an Agile context, empowering Product Owners to make effective prioritisation choices about all kinds of product features, whether user-visible or operational.
Practical, team-focused operability techniques for distributed systems - DevO...Matthew Skelton
In this talk, we explore five practical, tried-and-tested, real world techniques for improving operability with many kinds of software systems, including cloud, Serverless, Microservices, on-premise, and IoT. Based on our work in many industry sectors, we will share our experience of helping teams to improve the operability of their software systems through these straightforward, team-friendly techniques.
From a talk given at DevOpsCon Munich 2017 https://devopsconference.de/microservices/practical-team-focused-operability-techniques-for-distributed-systems/
LogChaos: Challenges and Opportunities of Security Log StandardizationAnton Chuvakin
LogChaos: Challenges and Opportunities of Security Log Standardization
Abstract: The presentation will discuss how to bring order (in the form of standards!) to the chaotic world of logging. It will give a brief introduction to logs and logging and explain how and why logs grew so chaotic and disorganized. Next it will cover why log standards are sorely needed. It will offer a walkthrough that highlights the critical areas of log standardization. Past failed standards will be looked at and their lessons learned. Finally, current logging standard efforts will be presented briefly.
Scaling PHP Applications with Zend PlatformShahar Evron
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Come implementare la governance nella vostra piattaforma e lavorare felici se...Giulio Vian
DevOps Conf 2024 - Roma - 10 mag 2024
https://devopsconf.dotnetdev.it
Gli strumenti che usiamo per lo sviluppo e il rilascio sono essenziali per controllare i processi in uso e garantire che soddisfino requisiti aziendali, legali, e regolamentari.
In questa sessione illustrerò come passare da norme (policies) astratte a implementationi su piattaforme come Azure DevOps o GitHub delle stesse così da poter prevenire prima e verificare poi il corretto svolgimento delle operazioni. E diventare amici del direttore Rischi e Audit.
Is Technical Debt the right metaphor for Continuous Update?Giulio Vian
Conf42 DevSecOps 2022 - December 1st 2022
The environmental pressure on software, mainly security, has dramatically changed in few years. Sticking to the Technical Debt category, will crush IT, and the business. So, let’s introduce a new term: Technical Inflation, and change how we plan, budget, manage changes and implement automation.
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Andreas Grabner maintains that most performance and scalability problems don’t need a large or long running performance test or the expertise of a performance engineering guru. Don’t let anybody tell you that performance is too hard to practice because it actually is not. You can take the initiative and find these often serious defects. Andreas analyzed and spotted the performance and scalability issues in more than 200 applications last year. He shares his performance testing approaches and explores the top problem patterns that you can learn to spot in your apps. By looking at key metrics found in log files and performance monitoring data, you will learn to identify most problems with a single functional test and a simple five-user load test. The problem patterns Andreas explains are applicable to any type of technology and platform. Try out your new skills in your current testing project and take the first step toward becoming a performance diagnostic hero.
Presenters: Matthew Skelton and Rob Thatcher, Skelton Thatcher Consulting
Webinar: Operability is all about making software work well in Production. In this webinar, we explore practical, tried-and-tested, real world techniques for improving operability with many kinds of software systems, including cloud, Serverless, on-premise, and IoT: logging with Event IDs, Run Book dialogue sheets, endpoint healthchecks, correlation IDs, and lightweight User Personas.
Target audience: Software Developer, Tester, Software Architect, DevOps Engineer, Delivery Manager, Head of Delivery, Head of IT.
Benefits: Attendees will gain insights into operability and why this is important for modern software systems, along with practical experience of techniques to enhance operability in almost any software system they encounter.
Everyone is talking about test driven development (TDD) being so cool and elaborating for both developers and persons responsible for the projects success ( like project managers, project owners, and customers ). But very few projects are using TDD to gain its relieving aspects. How does that go along? Seems many project responsibles are uncertain about the efforts and direct benefits of TDD and step back. This talk is about a transition from a usual project to TDD. Within this talk I will raise some questions to be answered before moving and show the benefits of TDD for each party of the project setup. We will find possible impediments to be faced and will see how to get rid of them.
Release software is no less important than activities that precede it.
The Continuous Delivery is a set of practices and methodologies that build an ecosystem for the software development lifecycle.
We will see how to build this ecosystem around the applications developed, for which this release activities becomes a low-risk, inexpensive, fast and predictable.
Consolidation, cloud privé, cloud public, SQL As A Service etc. sont autant de scénarios de virtualisation possibles avec SQL Server. Cette session reposera les règles de bon usage de ce type de déploiement et les scénarios clés. Nous reviendrons sur quelques-unes des « Lessons learned from Azure ».
Consolidation, cloud privé, cloud public, SQL As A Service etc. sont autant de scénarios de virtualisation possibles avec SQL Server. Cette session reposera les règles de bon usage de ce type de déploiement et les scénarios clés. Nous reviendrons sur quelques-unes des « Lessons learned from Azure ».
Most dev teams have a very simple conception of software architecture. They start with a database, a user interface, and add layers of (DRY) mess between the two. Then they have a performance problem so they add memcache and mongodb (Now we're webscale!).
Months or years later, releasing new features in production gets harder and riskier: it's time for a rewrite. Let's use AnguNodeMvcDoop to solve all our maintainability issues! And the cycle starts over...
In this talk we'll see that software architecture is not defined by the technologies you use but by the high level principles you set. We'll see what really matters to make your information system maintainable and how to get there progressively!
Another day, another buzzword in the world of software development! ‘Microservices’ is a new approach to structuring server-side software. But is it really new? In this talk I’ll walk you through the birth and ‘raison d’etre’ of microservices and tell about pro’s and con’s of the approach.
Having laid the foundation, we will take a look at best-practices and patterns for building micro service architectures and combine this with a tour of current technologies and development tools.
Finally, I will take a quick look at the future and discuss some of the remaining challenges. All parts of the presentation will be accompanied by structural examples based on a real ecommerse system.
Why And When Should We Consider Stream Processing In Our Solutions Teqnation ...Soroosh Khodami
Session Recording on Youtube
https://www.youtube.com/watch?v=uWPZQ_HMy10
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Do you find yourself bombarded with buzzwords and overwhelmed by the rapid emergence of new technologies? "Stream Processing" is a tech buzzword that has been around for some time but is still unfamiliar to many. Join this session to discover its potential in software systems. I will share insights from Apache Flink, Apache Beam, Google Dataflow, and my experiences at Bol.com (the biggest e-commerce platform in the Netherlands) as we cover:
- Stream Processing overview: main concepts and features
- Apache Beam vs. Spring Boot comparison
- Key Considerations for Using Stream Processing
- Learning strategies to navigate this evolving landscape.
Treating operational aspects of software as 'non-functional requirements' and 'an Ops problem' rather than a core part of the software product leads to poor live service and unexplained errors in Production.
Traceability, deployability, recoverability, diagnosability, monitorability, and high quality logging are key features of a software system, along with user-visible features surfaced via the UI, or a capability of an API endpoint.
However, many Product Owners understandably feel uneasy about taking on the (necessary) responsibility for prioritising operational features alongside user-visible and API features.
This session brings Scrum Masters and Product Owners up to speed on operational features and covers proven practices for improving operability in an Agile context, empowering Product Owners to make effective prioritisation choices about all kinds of product features, whether user-visible or operational.
Practical, team-focused operability techniques for distributed systems - DevO...Matthew Skelton
In this talk, we explore five practical, tried-and-tested, real world techniques for improving operability with many kinds of software systems, including cloud, Serverless, Microservices, on-premise, and IoT. Based on our work in many industry sectors, we will share our experience of helping teams to improve the operability of their software systems through these straightforward, team-friendly techniques.
From a talk given at DevOpsCon Munich 2017 https://devopsconference.de/microservices/practical-team-focused-operability-techniques-for-distributed-systems/
LogChaos: Challenges and Opportunities of Security Log StandardizationAnton Chuvakin
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Abstract: The presentation will discuss how to bring order (in the form of standards!) to the chaotic world of logging. It will give a brief introduction to logs and logging and explain how and why logs grew so chaotic and disorganized. Next it will cover why log standards are sorely needed. It will offer a walkthrough that highlights the critical areas of log standardization. Past failed standards will be looked at and their lessons learned. Finally, current logging standard efforts will be presented briefly.
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https://devopsconf.dotnetdev.it
Gli strumenti che usiamo per lo sviluppo e il rilascio sono essenziali per controllare i processi in uso e garantire che soddisfino requisiti aziendali, legali, e regolamentari.
In questa sessione illustrerò come passare da norme (policies) astratte a implementationi su piattaforme come Azure DevOps o GitHub delle stesse così da poter prevenire prima e verificare poi il corretto svolgimento delle operazioni. E diventare amici del direttore Rischi e Audit.
Is Technical Debt the right metaphor for Continuous Update?Giulio Vian
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The environmental pressure on software, mainly security, has dramatically changed in few years. Sticking to the Technical Debt category, will crush IT, and the business. So, let’s introduce a new term: Technical Inflation, and change how we plan, budget, manage changes and implement automation.
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👉👉 Click Here To Get More Info 👇👇
https://sumonreview.com/ai-pilot-review/
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DevOps Deep Dive - Alla fiera dell'ovvio
1. Alla fiera dell’ovvio
Aggiungiamo i test di performance e scalabilità nella nostra pipeline
Giulio Vian
http://blog.casavian.eu/
giulio@nolbej.com
@giulio_vian
http://www.nolbej.com/
8. Performance is a
Feature
«there are two kinds of
websites: the quick and
the dead»
https://blog.codinghorror.com/performance-is-a-feature/
9. Response time
0.1 second is about the limit for having the user
feel that the system is reacting instantaneously,
meaning that no special feedback is necessary
except to display the result.
1.0 second is about the limit for the user's flow of
thought to stay uninterrupted, even though the
user will notice the delay. Normally, no special
feedback is necessary during delays of more than
0.1 but less than 1.0 second, but the user does lose
the feeling of operating directly on the data.
10 seconds is about the limit for keeping the user's
attention focused on the dialogue. For longer
delays, users will want to perform other tasks
while waiting for the computer to finish, so they
should be given feedback indicating when the
computer expects to be done. Feedback during
the delay is especially important if the response
time is likely to be highly variable, since users will
then not know what to expect.
Miller, R. B. (1968).
Response time in man-
computer
conversational
transactions. Proc. AFIPS
Fall Joint Computer
Conference Vol. 33, 267-
277.
10. Hard facts
Google
Half a second delay
caused a 20% drop in
traffic.
Amazon.com
Even very small delays
(100 ms) would result in
substantial and costly
drops in revenue.
11. In che fase diventa critico?
Gartner Hype Cycle, Source: Wikipedia
39. Bibliografia (2)
Writing High-Performance .NET Code —
Ben Watson (Ben Watson)
https://www.amazon.it/Writing-High-
Performance-NET-Code-
Watson/dp/0990583430/
Time Is Money: The Business Value of
Web Performance — Tammy Everts
(O'Reilly Media)
https://www.amazon.com/Time-Money-
Business-Value-Performance/dp/1491928743
40
40. Bibliografia (3)
Software Performance and Scalability: A
Quantitative Approach — Henry H. Liu
(Wiley)
https://www.amazon.com/Software-
Performance-Scalability-Quantitative-
Approach/dp/0470462531
Continuous Delivery with Windows and .NET
— Matthew Skelton and Chris O'Dell
(O'Reilly)
http://www.oreilly.com/webops-
perf/free/continuous-delivery-with-windows-and-
net.csp
41
Integration test con misurazione delle performance
Performance is one of those areas that you could spend an infinite amount of time on, so failing to recognise it as a business interest could mean either chronic under-investment in it – or massive amounts of invisible over-spending if the technical team have placed too much emphasis on it. – Steve Fenton
https://www.stevefenton.co.uk/2016/06/performance-is-a-feature/