Arbyte is a job queuing and execution framework created by Alistair N. MacLeod as an alternative to existing systems like Gearman and TheSchwartz. It uses a modular architecture with components like a JobBuffer for storing jobs, a JobRunner for executing jobs, and JobExecutors that correspond to job types. The framework is implemented in Perl using homemade objects and supports distributed deployment on servers or clouds. Future work includes improving JobBuffer and JobRunner implementations and submitting Arbyte to CPAN.
Kanban and Scrum are two frameworks for managing work. Scrum uses fixed timeboxed iterations called sprints, while Kanban focuses on continuous flow. Scrum requires self-contained teams with all needed skills, while Kanban allows for heterogeneous teams to work across different workflow stages. Kanban is more flexible than Scrum and allows changing priorities during workflow, while Scrum resists changes once a sprint begins. Both approaches can incorporate elements from other frameworks like daily stand-ups. Overall, Kanban is less prescriptive and easier to introduce than Scrum in most organizations.
SPIs are pre-configured software modules that plug into HP Operations Manager or HP SiteScope to help maintain the availability and performance of distributed IT infrastructure. This document discusses SPIs for various applications like Siebel, Citrix, and Documentum. It provides overviews of how SPIs can monitor components, policies, tools, service maps, graphs and reports to help manage the performance, availability and user experience of these applications.
The document provides an overview of the Kanban system. It discusses that Kanban uses virtual or physical cards to represent work items as they move through different stages of a process. The goals of Kanban are to improve the current process without changing roles or flow and with easy adoption. It also discusses limiting work in progress to control queues and bottlenecks, and using a Kanban board to visualize the workflow and measure lead times.
Kanban is a system for managing workflow using visual signals. It uses cards to represent work items as they move through different stages of a process from input to completion. The goals of Kanban are to improve the existing process without changing roles or workflow, and to enable easy adoption. Kanban boards visually depict the workflow using columns for each stage and cards that move from left to right as work is completed. Work items, lead times, and buffers between stages are identified to model the process.
The document discusses techniques for agile requirements including writing user stories and acceptance criteria before implementation. It suggests using a common language like Gherkin to describe features and scenarios to facilitate automated testing and communication. Scenarios should be descriptive rather than imperative. Runnable scenarios can be implemented as acceptance, integration, or unit tests using various tools. Benefits include easier planning and discovering functionality while challenges include transitioning to the new approach and team effort.
Amir Barylko gave a presentation on agile planning. He introduced himself and provided his resources. He discussed why projects fail and the agile manifesto. He covered estimating stories, iterations, and using a burn down chart to manage scope over iterations. He concluded by taking questions and providing information on an upcoming software quality workshop.
Amir Barylko gave a presentation on agile planning to the Edmonton Agile User Group in June 2011. He began by introducing himself and providing his contact information. He then discussed why projects often fail when not using agile principles, describing the realities of changing requirements and limitations of time and resources. Barylko explained the agile manifesto and principles, and covered user stories, planning poker, and using iterations to estimate work and update plans over time based on team velocity. He emphasized quality, visual communication, and managing scope within time and budget constraints.
Ralph jocham agile portfolio based release trainsAgora Group
Ralph Jocham presented on scaling agile practices to the portfolio and program level. He discussed organizing work by feature releases rather than projects, with cross-functional teams developing features in short sprints. Epics are broken into features and prioritized by business value and capacity for frequent functional releases in a "release train" approach.
Kanban and Scrum are two frameworks for managing work. Scrum uses fixed timeboxed iterations called sprints, while Kanban focuses on continuous flow. Scrum requires self-contained teams with all needed skills, while Kanban allows for heterogeneous teams to work across different workflow stages. Kanban is more flexible than Scrum and allows changing priorities during workflow, while Scrum resists changes once a sprint begins. Both approaches can incorporate elements from other frameworks like daily stand-ups. Overall, Kanban is less prescriptive and easier to introduce than Scrum in most organizations.
SPIs are pre-configured software modules that plug into HP Operations Manager or HP SiteScope to help maintain the availability and performance of distributed IT infrastructure. This document discusses SPIs for various applications like Siebel, Citrix, and Documentum. It provides overviews of how SPIs can monitor components, policies, tools, service maps, graphs and reports to help manage the performance, availability and user experience of these applications.
The document provides an overview of the Kanban system. It discusses that Kanban uses virtual or physical cards to represent work items as they move through different stages of a process. The goals of Kanban are to improve the current process without changing roles or flow and with easy adoption. It also discusses limiting work in progress to control queues and bottlenecks, and using a Kanban board to visualize the workflow and measure lead times.
Kanban is a system for managing workflow using visual signals. It uses cards to represent work items as they move through different stages of a process from input to completion. The goals of Kanban are to improve the existing process without changing roles or workflow, and to enable easy adoption. Kanban boards visually depict the workflow using columns for each stage and cards that move from left to right as work is completed. Work items, lead times, and buffers between stages are identified to model the process.
The document discusses techniques for agile requirements including writing user stories and acceptance criteria before implementation. It suggests using a common language like Gherkin to describe features and scenarios to facilitate automated testing and communication. Scenarios should be descriptive rather than imperative. Runnable scenarios can be implemented as acceptance, integration, or unit tests using various tools. Benefits include easier planning and discovering functionality while challenges include transitioning to the new approach and team effort.
Amir Barylko gave a presentation on agile planning. He introduced himself and provided his resources. He discussed why projects fail and the agile manifesto. He covered estimating stories, iterations, and using a burn down chart to manage scope over iterations. He concluded by taking questions and providing information on an upcoming software quality workshop.
Amir Barylko gave a presentation on agile planning to the Edmonton Agile User Group in June 2011. He began by introducing himself and providing his contact information. He then discussed why projects often fail when not using agile principles, describing the realities of changing requirements and limitations of time and resources. Barylko explained the agile manifesto and principles, and covered user stories, planning poker, and using iterations to estimate work and update plans over time based on team velocity. He emphasized quality, visual communication, and managing scope within time and budget constraints.
Ralph jocham agile portfolio based release trainsAgora Group
Ralph Jocham presented on scaling agile practices to the portfolio and program level. He discussed organizing work by feature releases rather than projects, with cross-functional teams developing features in short sprints. Epics are broken into features and prioritized by business value and capacity for frequent functional releases in a "release train" approach.
The document introduces Activiti, an open source BPMN 2.0 workflow and Business Process Management (BPM) platform. It discusses that Activiti provides a BPM engine that executes process definitions defined using BPMN boxes and arrows. It also manages persisting execution state while processes are waiting. The document outlines how Activiti supports both business users through visual process modeling, and developers by embedding workflow capabilities into Java applications.
The document introduces Activiti, an open source BPMN 2.0 workflow and Business Process Management (BPM) platform. It discusses that Activiti provides a BPM engine that executes process definitions defined using BPMN boxes and arrows. It also manages persisting execution state while processes are waiting. The document outlines how Activiti supports both business users through visual process modeling, and developers by embedding workflow capabilities into Java applications.
This document introduces the Activiti workflow and business process management platform. It provides an overview of key features including being a lightweight BPMN 2.0 engine that can be embedded in Java applications. It also highlights the Activiti modeler, explorer and other tools, as well as its community and ecosystem. The document demonstrates how Activiti can be used to model and execute a sample mortgage approval process.
Developing for Remote Bamboo Agents, AtlasCamp US 2012Atlassian
Brydie McCoy, Java Developer
As more and more peoples' building demands grow, they expand from building everything locally to a distributed building system or the elastic cloud. And for OnDemand the elastic cloud is the only option. Unfortunately developing plugins for remote/elastic agents has its own set of gotchas. Most plugins written for Bamboo do not work properly on remote agents. This talk will cover the core principles of developing for remote agents, what you can and can't do, as well as more advanced topics such as data transfer and communication between the agent and the server.
Oracle Workflow allows modeling of business processes and routing of tasks. It has a 3-tier architecture with a workflow engine, directory services and database. Key components include the workflow definition file, workflow builder, worklist and notification system. An example diagram showed a requisition approval process with steps for creating, approving, rejecting or completing a requisition routed to appropriate users.
The document provides information about Agile Labs, an Indian software company:
- Agile Labs developed Pro-FIT, one of the top 3 accounting/inventory software products in India until 1998. It won several awards for its small business products.
- The company developed a unique technology called Axpert, for which a patent is pending in the US. Axpert allows building business applications without writing code by defining input forms, queries, workflows, and other elements.
- Agile Labs' mission is to make IT simple by providing flexible solutions for changing business needs.
Presentation Workflow for XPages including integration into Activiti BPMN 2.0 engine. Delivered at Lotusphere/Connect 2013 (Orlando) and Nachlese 2013 (Muenchen/Duesseldorf)
Improving UX through Application Lifecycle Managementgoodfriday
Learn how you can leverage Microsoft Expression and Microsoft Visual Studio Team System to improve your overall application lifecycle, decrease your time to market, and ultimately raise the quality of your applications.
Spring Framework provides a comprehensive infrastructure to develop Java applications. It handles dependency injection and inversion of control so developers can focus on domain logic rather than plumbing. Spring promotes best practices like clean code, test-driven development, and design patterns. It includes aspects for cross-cutting concerns and supports web development through frameworks like Spring MVC. The document introduces Spring's lightweight and modular IoC container and AOP capabilities for separating concerns.
Are good SharePoint solutions only a myth?Adis Jugo
This document discusses different approaches to architecting SharePoint solutions. It describes enterprise SharePoint solutions, SharePoint sandbox solutions, and solutions that use SharePoint data without being deployed to SharePoint. It covers considerations for each like security, performance, and deployment approach. It also provides examples of architecture patterns and best practices for designing flexible and maintainable SharePoint solutions.
Hadoop World 2011: Proven Tools to Manage Hadoop Environments - Joey Jablonsk...Cloudera, Inc.
This session will answer frequently asked questions about Hadoop, and share proven ways you can overcome challenges in deploying, managing, and tuning Hadoop environments. The discussion topics will include Hadoop operations, configuration management, upgrades and lifecycle management, monitoring and managing power and heat, and Hadoop performance tuning, testing, and optimization. The presenters will also discuss how rapid Hadoop deployment makes life easier for administrators, and talk about Crowbar, an open source Operations Framework.
The Web Development Eco-system with VSTS, ASP.NET 2.0 & Microsoft AjaxDarren Sim
This document provides an overview of the Visual Studio Team System (VSTS) for web development. It discusses common pains experienced by web development teams and how VSTS addresses them through integrated tools for source control, work item tracking, reporting, build automation, and project portals. Key features of VSTS demonstrated include change management, work item management, shared and exclusive checkouts, promotion modeling, and reports. Additional resources for learning more about VSTS are also provided.
2009 11-04 mm (carson, california - csu-dh) bpm introductionMike Marin
“Business Process Management – An Introduction”. Introductory presentation given by Mike Marin to Computer Science students at California State University Dominguez Hills in 2009.
Att lyckas med integration av arbetet från flera scrum team - Christophe Acho...manssandstrom
This document discusses strategies for integrating work from multiple Scrum teams. It outlines the role of an integration team in continuously integrating work. Key success factors for the integration team include: integrating work early, having the necessary resources and environments, practicing continuous integration, using automated tests, maintaining at least two test environments, performing early performance tests, stopping work if integration breaks, having a clear contract between development and integration teams, making the integration process and status visible.
RESTful Work Items: Opening up Collaborative ALMoslc
Mik Kersten and Steve Speicher discuss the OSLC Change Management 1.0 specification and demo implementations of the spec. Originally presented at Rational Software Conference in June, 2009
The document discusses Drools and the JBoss Business Rules Management System (BRMS), including an overview of concepts like rules, facts, and the runtime execution environment. It also covers authoring rules with the guided rule editor in the web interface or with DRL, and integrating rules with Spring and Camel frameworks at runtime.
JDK.IO 2016 (http://jdk.io)
Java EE 7 introduced a new batch processing API. This session will go over how to use the batch processing API introduced with Java EE 7. This API is makes it easy to implement long running data/compute intensive jobs which need to be scheduled or initiated on-demand. Basics of the API will be demonstrated via code samples. The API will also be compared to Spring Batching and Hadoop to provide context and guidance on when these technologies are appropriate.
Simon brown archsummit2012 the-frustrated-architectdrewz lin
This document discusses plans to replace an outdated internet banking system. The current system only allows read-only access to account information and transactions cannot be performed on the site. It uses outdated technology that is difficult to maintain. The replacement system aims to provide customers with real-time account access and the ability to perform transactions online, along with an improved user experience and accessibility. It must be completed within 12 weeks to coincide with an upcoming corporate rebranding.
Enterprise Java Beans (EJB) is a development architecture for building highly scalable and robust enterprise level applications to be deployed on J2EE compliant Application Server such as JBOSS, Web Logic etc. EJB 3.0 is being a great shift from EJB 2.0 and makes development of EJB based applications quite easy.
OpenCage Data and sustainable business models for open data lokku
A talk presented by Ed Freyfogle 25th Sept 2014 at the APIconUK conference in London. The talk introduces the OpenCage geocoder and describes our considerations in developing a sustainable and scalable business model around open data.
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The document introduces Activiti, an open source BPMN 2.0 workflow and Business Process Management (BPM) platform. It discusses that Activiti provides a BPM engine that executes process definitions defined using BPMN boxes and arrows. It also manages persisting execution state while processes are waiting. The document outlines how Activiti supports both business users through visual process modeling, and developers by embedding workflow capabilities into Java applications.
The document introduces Activiti, an open source BPMN 2.0 workflow and Business Process Management (BPM) platform. It discusses that Activiti provides a BPM engine that executes process definitions defined using BPMN boxes and arrows. It also manages persisting execution state while processes are waiting. The document outlines how Activiti supports both business users through visual process modeling, and developers by embedding workflow capabilities into Java applications.
This document introduces the Activiti workflow and business process management platform. It provides an overview of key features including being a lightweight BPMN 2.0 engine that can be embedded in Java applications. It also highlights the Activiti modeler, explorer and other tools, as well as its community and ecosystem. The document demonstrates how Activiti can be used to model and execute a sample mortgage approval process.
Developing for Remote Bamboo Agents, AtlasCamp US 2012Atlassian
Brydie McCoy, Java Developer
As more and more peoples' building demands grow, they expand from building everything locally to a distributed building system or the elastic cloud. And for OnDemand the elastic cloud is the only option. Unfortunately developing plugins for remote/elastic agents has its own set of gotchas. Most plugins written for Bamboo do not work properly on remote agents. This talk will cover the core principles of developing for remote agents, what you can and can't do, as well as more advanced topics such as data transfer and communication between the agent and the server.
Oracle Workflow allows modeling of business processes and routing of tasks. It has a 3-tier architecture with a workflow engine, directory services and database. Key components include the workflow definition file, workflow builder, worklist and notification system. An example diagram showed a requisition approval process with steps for creating, approving, rejecting or completing a requisition routed to appropriate users.
The document provides information about Agile Labs, an Indian software company:
- Agile Labs developed Pro-FIT, one of the top 3 accounting/inventory software products in India until 1998. It won several awards for its small business products.
- The company developed a unique technology called Axpert, for which a patent is pending in the US. Axpert allows building business applications without writing code by defining input forms, queries, workflows, and other elements.
- Agile Labs' mission is to make IT simple by providing flexible solutions for changing business needs.
Presentation Workflow for XPages including integration into Activiti BPMN 2.0 engine. Delivered at Lotusphere/Connect 2013 (Orlando) and Nachlese 2013 (Muenchen/Duesseldorf)
Improving UX through Application Lifecycle Managementgoodfriday
Learn how you can leverage Microsoft Expression and Microsoft Visual Studio Team System to improve your overall application lifecycle, decrease your time to market, and ultimately raise the quality of your applications.
Spring Framework provides a comprehensive infrastructure to develop Java applications. It handles dependency injection and inversion of control so developers can focus on domain logic rather than plumbing. Spring promotes best practices like clean code, test-driven development, and design patterns. It includes aspects for cross-cutting concerns and supports web development through frameworks like Spring MVC. The document introduces Spring's lightweight and modular IoC container and AOP capabilities for separating concerns.
Are good SharePoint solutions only a myth?Adis Jugo
This document discusses different approaches to architecting SharePoint solutions. It describes enterprise SharePoint solutions, SharePoint sandbox solutions, and solutions that use SharePoint data without being deployed to SharePoint. It covers considerations for each like security, performance, and deployment approach. It also provides examples of architecture patterns and best practices for designing flexible and maintainable SharePoint solutions.
Hadoop World 2011: Proven Tools to Manage Hadoop Environments - Joey Jablonsk...Cloudera, Inc.
This session will answer frequently asked questions about Hadoop, and share proven ways you can overcome challenges in deploying, managing, and tuning Hadoop environments. The discussion topics will include Hadoop operations, configuration management, upgrades and lifecycle management, monitoring and managing power and heat, and Hadoop performance tuning, testing, and optimization. The presenters will also discuss how rapid Hadoop deployment makes life easier for administrators, and talk about Crowbar, an open source Operations Framework.
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This document provides an overview of the Visual Studio Team System (VSTS) for web development. It discusses common pains experienced by web development teams and how VSTS addresses them through integrated tools for source control, work item tracking, reporting, build automation, and project portals. Key features of VSTS demonstrated include change management, work item management, shared and exclusive checkouts, promotion modeling, and reports. Additional resources for learning more about VSTS are also provided.
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“Business Process Management – An Introduction”. Introductory presentation given by Mike Marin to Computer Science students at California State University Dominguez Hills in 2009.
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This document discusses strategies for integrating work from multiple Scrum teams. It outlines the role of an integration team in continuously integrating work. Key success factors for the integration team include: integrating work early, having the necessary resources and environments, practicing continuous integration, using automated tests, maintaining at least two test environments, performing early performance tests, stopping work if integration breaks, having a clear contract between development and integration teams, making the integration process and status visible.
RESTful Work Items: Opening up Collaborative ALMoslc
Mik Kersten and Steve Speicher discuss the OSLC Change Management 1.0 specification and demo implementations of the spec. Originally presented at Rational Software Conference in June, 2009
The document discusses Drools and the JBoss Business Rules Management System (BRMS), including an overview of concepts like rules, facts, and the runtime execution environment. It also covers authoring rules with the guided rule editor in the web interface or with DRL, and integrating rules with Spring and Camel frameworks at runtime.
JDK.IO 2016 (http://jdk.io)
Java EE 7 introduced a new batch processing API. This session will go over how to use the batch processing API introduced with Java EE 7. This API is makes it easy to implement long running data/compute intensive jobs which need to be scheduled or initiated on-demand. Basics of the API will be demonstrated via code samples. The API will also be compared to Spring Batching and Hadoop to provide context and guidance on when these technologies are appropriate.
Simon brown archsummit2012 the-frustrated-architectdrewz lin
This document discusses plans to replace an outdated internet banking system. The current system only allows read-only access to account information and transactions cannot be performed on the site. It uses outdated technology that is difficult to maintain. The replacement system aims to provide customers with real-time account access and the ability to perform transactions online, along with an improved user experience and accessibility. It must be completed within 12 weeks to coincide with an upcoming corporate rebranding.
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A brief overview of some of the technical options evaluated in our switch to OpenStreetMap maps. Presented on 16th of February, 2012 at London Geomob event: http://geomobldn.org
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This job posting is seeking candidates interested in LAMP (php), OpenStreetMap, Javascript, APIs, internationalization, or product management to join their company. The posting encourages applicants who can speak Strine and provides links to the company blog and social media profiles for more information.
Best 20 SEO Techniques To Improve Website Visibility In SERPPixlogix Infotech
Boost your website's visibility with proven SEO techniques! Our latest blog dives into essential strategies to enhance your online presence, increase traffic, and rank higher on search engines. From keyword optimization to quality content creation, learn how to make your site stand out in the crowded digital landscape. Discover actionable tips and expert insights to elevate your SEO game.
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Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit.
In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing.
van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.
Cosa hanno in comune un mattoncino Lego e la backdoor XZ?Speck&Tech
ABSTRACT: A prima vista, un mattoncino Lego e la backdoor XZ potrebbero avere in comune il fatto di essere entrambi blocchi di costruzione, o dipendenze di progetti creativi e software. La realtà è che un mattoncino Lego e il caso della backdoor XZ hanno molto di più di tutto ciò in comune.
Partecipate alla presentazione per immergervi in una storia di interoperabilità, standard e formati aperti, per poi discutere del ruolo importante che i contributori hanno in una comunità open source sostenibile.
BIO: Sostenitrice del software libero e dei formati standard e aperti. È stata un membro attivo dei progetti Fedora e openSUSE e ha co-fondato l'Associazione LibreItalia dove è stata coinvolta in diversi eventi, migrazioni e formazione relativi a LibreOffice. In precedenza ha lavorato a migrazioni e corsi di formazione su LibreOffice per diverse amministrazioni pubbliche e privati. Da gennaio 2020 lavora in SUSE come Software Release Engineer per Uyuni e SUSE Manager e quando non segue la sua passione per i computer e per Geeko coltiva la sua curiosità per l'astronomia (da cui deriva il suo nickname deneb_alpha).
Programming Foundation Models with DSPy - Meetup SlidesZilliz
Prompting language models is hard, while programming language models is easy. In this talk, I will discuss the state-of-the-art framework DSPy for programming foundation models with its powerful optimizers and runtime constraint system.
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
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Read Taking AI to the Next Level in Manufacturing to gain insights on AI adoption in the manufacturing industry, such as:
1. How quickly AI is being implemented in manufacturing.
2. Which barriers stand in the way of AI adoption.
3. How data quality and governance form the backbone of AI.
4. Organizational processes and structures that may inhibit effective AI adoption.
6. Ideas and approaches to help build your organization's AI strategy.
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During Identiverse 2024 and EIC 2024, members of the OpenID AuthZEN WG got together and demoed their authorization endpoints conforming to the AuthZEN API
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My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
CAKE: Sharing Slices of Confidential Data on BlockchainClaudio Di Ciccio
Presented at the CAiSE 2024 Forum, Intelligent Information Systems, June 6th, Limassol, Cyprus.
Synopsis: Cooperative information systems typically involve various entities in a collaborative process within a distributed environment. Blockchain technology offers a mechanism for automating such processes, even when only partial trust exists among participants. The data stored on the blockchain is replicated across all nodes in the network, ensuring accessibility to all participants. While this aspect facilitates traceability, integrity, and persistence, it poses challenges for adopting public blockchains in enterprise settings due to confidentiality issues. In this paper, we present a software tool named Control Access via Key Encryption (CAKE), designed to ensure data confidentiality in scenarios involving public blockchains. After outlining its core components and functionalities, we showcase the application of CAKE in the context of a real-world cyber-security project within the logistics domain.
Paper: https://doi.org/10.1007/978-3-031-61000-4_16
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Arbyte - A modular, flexible, scalable job queing and execution system
1. ARBYTE
ETYBRA
Alistair N. MacLeod
anm@lokku.com
ltd
2. Arbyte
Alistair N.
MacLeod
Motivation 1 Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture 2 Architecture
Component
Diagram
Design and
Implementa-
tion
3 Design and Implementation
Objects
Processes
IPC
Practicalities 4 Practicalities
Deployment
Project Status
3. Introduction
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte Arbyte - Job queuing and execution framework
Architecture
Component
Required system to run jobs
Diagram
Design and
Considered gearman, TheSchwartz . . .
Implementa-
tion Decided to create wrapper - Arbyte
Objects
Processes
IPC
Practicalities
Deployment
Project Status
4. Requirements
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements Fully scalable
Existing Systems
Arbyte Modular
Architecture
Component Logging
Diagram
Design and Good reliability
Implementa-
tion Thor Compliance
Objects
Processes
IPC
Batching
Practicalities
Deployment
Project Status
5. Batching
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture Job specific optimisations
Component
Diagram
In main queue
Design and
Implementa-
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
6. Distributed Computing Models
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Cluster
Architecture
Component
Diagram
Grid
Design and
Implementa-
MapReduce
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
7. Distributed Computing Models
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Cluster
Architecture
Component
Diagram
Grid
Design and
Implementa-
MapReduce
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
8. Gearman
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems Limitations Features
Arbyte
Architecture Not reliable Has multiple manager /
Component queuing daemons
Diagram No retries
Design and Scalable
Implementa- It didn’t work when I tried No single point of
tion
Objects it failure
Processes
IPC
Practicalities
Deployment
Project Status
9. The Schwartz
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements Limitations Features
Existing Systems
Arbyte
Single DB store - not Reliability
Architecture
Component easily scalable
Diagram
Design and No batching after
Implementa-
tion submission.
Objects
Processes Relational DB overhead
IPC
Practicalities
Deployment
Project Status
10. Helios
Arbyte
Alistair N.
MacLeod
Motivation Layer over TheSchwartz
Problem
Requirements
Existing Systems
Arbyte
Architecture
Component
Diagram Limitations Features
Design and
Implementa- Same as TheSchwartz Manages worker processes
tion
Objects Doesn’t add batching or Adds XML Job submission
Processes
IPC change the fundamental format and web interface
Practicalities architecture
Deployment
Project Status
11. Non-Perl
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture
Possible but not as good for hacking on, integrating
Component
Diagram
components.
Design and We mostly have perl skills.
Implementa-
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
12. Considered
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Torque
Architecture
Component
Diagram Hadoop
Design and
Implementa-
Dr. Queue
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
13. Back to Arbyte
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte Modular framework for job queuing and execution
Architecture
Component Flexible, Customisable
Diagram
Design and
Can be used with many other systems
Implementa-
tion
e.g. Gearman, with batching, reliability and retries
Objects
Processes
IPC
Practicalities
Deployment
Project Status
20. Object Implementation: Options
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture Homemade
Component
Diagram
Moose
Design and
Implementa-
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
21. Object Implementation: Choice
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Using homemade objects
Architecture
Component
Diagram
All hashes
Design and
Implementa-
AUTOLOADed get and set methods
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
22. Processes
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
No threads
Existing Systems
Arbyte JobBuffer
Architecture
Component
JobRunner
Diagram
Will likely have own processes
Design and
Implementa- e.g. JobRunnerHelper
tion
Objects Manager
Processes
IPC StatusAccepter
Practicalities
Deployment
Project Status
23. IPC Requirements
Arbyte
Alistair N.
MacLeod
Motivation Wanted something with:
Problem
Requirements Easy way to serverify an object
Existing Systems
Arbyte
Stub generation
Architecture
Component
Diagram
Parameter passing
Design and Exceptions
Implementa-
tion
Objects
Timeouts
Processes
IPC Security
Practicalities
Deployment
Garbage collection
Project Status
24. Remote Object System
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte Object Oriented Design RMI like system
Architecture
Component
Assumed RMI on CPAN (Ruby has it, DRb) but no
Diagram
Feel like fixing this?
Design and
Implementa-
tion Had to make do
Objects
Processes
IPC
Practicalities
Deployment
Project Status
25. IPC: Implementation Options
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Considered
Arbyte
Architecture
GRID::Machine
Component
Diagram Distributed::Process
Design and
Implementa- RPC::Serialized
tion
Objects RCGI - RPC with CGI server
Processes
IPC
Practicalities
Deployment
Project Status
26. IPC: Implementation Choice
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Event::RPC
Requirements
Existing Systems Closest to RMI
Arbyte
Architecture Maintained
Component
Diagram Has (some) timeouts
Design and
Implementa- Propagates Exceptions
tion
Objects
Processes
Confusing - capabilities not clear
IPC
Using some hackery to make it Good Enough
Practicalities
Deployment
Project Status
27. Deployment Hardware
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture Own Servers
Component
Diagram
Design and Cloud
Implementa-
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status
28. Grid Management Software
Arbyte
Alistair N.
MacLeod
Motivation To Manage
Problem
Requirements Booting
Existing Systems
Arbyte
Package distribution
Architecture
Component
Diagram
Configuration
Design and For example
Implementa-
tion
Objects
RPMs
Processes
IPC Puppet
Practicalities
Deployment
Wigwam
Project Status
29. Project Status
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Now
Requirements
Existing Systems Running in parallel with production system
Arbyte
Architecture Todo
Component
Diagram Better JobBuffers
Design and
Implementa- Better JobRunners
tion
Objects
Processes
Worker capabilities?
IPC
Optimise
Practicalities
Deployment
Project Status
30. The Route to CPAN
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte Object system
Architecture
Component
Config system
Diagram
Design and
High level documentation
Implementa-
tion More tests
Objects
Processes
IPC
Practicalities
Deployment
Project Status
31. Questions
Arbyte
Alistair N.
MacLeod
Motivation
Problem
Requirements
Existing Systems
Arbyte
Architecture
Component
Diagram
Questions
Design and
Implementa-
tion
Objects
Processes
IPC
Practicalities
Deployment
Project Status