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A debugging approach for live Big Data applications

SCIENCE OF COMPUTER programming 2020年 194卷 102460-102460页

作者： Marra, Matteo Polito, Guillermo Boix, Elisa Gonzalez Vrije Univ Brussel Software Languages Lab Brussels Belgium Univ Lille CRIStAL INRIA Cent LilleCNRSUMR 9189 Lille France

Many frameworks exist for programmers to develop and deploy Big Data applications such as Hadoop Map/Reduce and Apache Spark. However, very little debugging support is currently provided in those frameworks. When an error occurs, developers are lost in trying to understand what has happened from the information provided in log files. Recently, new solutions allow developers to record & replay the application execution, but replaying is not always affordable when hours of computation need to be re-executed. In this paper, we present an online approach that allows developers to debug Big Data applications in isolation by moving the debugging session to an external process when a halting point is reached. We introduce IDRAMR, our prototype implementation in Pharo. IDRAMR centralizes the debugging of parallel applications by introducing novel debugging concepts, such as composite debugging events, and the ability to dynamically update both the code of the debugged application and the same configuration of the running framework. We validate our approach by debugging both application and configuration failures for two driving scenarios. The scenarios are implemented and executed using Port, our Map/Reduce framework for Pharo, also introduced in this paper. (C) 2020 Elsevier B.V. All rights reserved.

关键词： Online debugging Big Data Map/reduce live programming

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live Software Development Environment for Java using Virtual Reality 14

Live Software Development Environment for Java using Virtual...

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14th International Conference on Evaluation of Novel Approaches to Software Engineering (ENASE)

作者： Amaral, Diogo Domingues, Gil Dias, Joao Pedro Ferreira, Hugo Sereno Aguiar, Ademar Nobrega, Rui Univ Porto Fac Engn Dept Informat Engn Porto Portugal INESC TEC Porto Portugal

ISBN: (纸本)9789897583759

Any software system that has a considerable growing number of features will suffer from essential complexity, which makes the understanding of the software artifacts increasingly costly and time-consuming. A common approach for reducing the software understanding complexity is to use software visualizations techniques. There are already several approaches for visualizing software, as well as for extracting the information needed for those visualizations. This paper presents a novel approach to tackle the software complexity, delving into the common approaches for extracting information about software artifacts and common software visualization metaphors, allowing users to dive into the software system in a live way using virtual reality (VR). Experiments were carried out in order to validate the correct extraction of metadata from the software artifact and the corresponding VR visualization. With this work, we intend to present a starting point towards a live Software Development approach.

关键词： Software Engineering Virtual Reality live programming Software Visualization Software Analysis

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live Software Development Tightening the feedback loops 19

Live Software Development Tightening the feedback loops

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3rd International Conference on Art, Science, and Engineering of programming (programming)

作者： Aguiar, Ademar Restivo, Andre Correia, Filipe Figueiredo Ferreira, Hugo Sereno Dias, Joao Pedro Univ Porto Fac Engn Dept Informat Engn INESC TEC Porto Portugal Univ Porto Fac Engn Dept Informat Engn LIACC Porto Portugal

ISBN: (纸本)9781450362573

live programming is an idea pioneered by programming environments from the earliest days of computing, such as those for Lisp and Smalltalk. One thing they had in common is liveness: an always accessible evaluation and nearly instantaneous feedback, usually focused on coding activities. In this paper, we argue for live Software Development (liveSD), bringing liveness to software development activities beyond coding, to make software easier to visualize, simpler to understand, and faster to evolve. Multiple challenges may vary with the activity and application domain. Research on this topic needs to consider the more important liveness gaps in software development, which representations and abstractions better support developers, and which tools are needed to support it.

关键词： software engineering live programming liveness agility live software development

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Towards liveness in Game Development

Towards Liveness in Game Development

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IEEE Conference on Games (IEEE COG)

作者： Martin, Andrew R. Colton, Simon Queen Mary Univ London Game AI Res Grp London England Monash Univ Fac IT SensiLab Clayton Vic Australia

ISBN: (纸本)9781728118840

In general, videogame development is a difficult and specialist activity. We believe that providing an immediate feedback cycle (liveness) in the software used to develop games may enable greater productivity, creativity and enjoyment for both professional and amateur creators. There are many different methods for achieving interactivity and immediate feedback in software development, including read-eval-print loops, edit-and-continue debuggers and dataflow programming environments. These approaches have each found success in domains they are well-suited to, but games are particularly challenging due to their interactivity and strict performance requirements. We discuss here the applicability of some of these ideas to game development, and then outline a proposal for a live programming model suited to the unique technical challenges of game development. Our approach seeks to provide an extensible way to automate the process of obtaining feedback, through the use of a reactive programming model and dataflow-style UI. We describe our progress in implementing this design, with reference to a simple example game.

关键词： Game Development live programming Reactive programming

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live GUI Development for Service-Based Systems 19

Live GUI Development for Service-Based Systems

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3rd International Conference on Art, Science, and Engineering of programming (programming)

作者： Johnsson, Bjorn A. Magnusson, Boris Lund Univ Dept Comp Sci Lund Sweden

ISBN: (纸本)9781450362573

In an increasingly connected world where all manner of devices can communicate over the Internet, conventional methods for developing GUIs (Graphical User Interfaces) are insufficient. For systems of such devices, it must be possible to develop the system itself independently from its GUI(s). In this paper, we present an approach for developing GUIs towards already deployed, or "live", service-based distributed systems without the need to write any program code ("glue code"). The results include an implementation for the middleware framework PalCom and the mobile platform Android, with development tools;they have been tested in several research projects and have been used for developing commercial products.

关键词： Graphical user interfaces service-based systems middleware development tools live programming

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SEEDE: Simultaneous Execution and Editing in a Development Environment 18

SEEDE: Simultaneous Execution and Editing in a Development E...

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33rd IEEE/ACM International Conference on Automated Software Engineering (ASE)

作者： Reiss, Steven P. Xin, Qi Huang, Jeff Brown Univ Dept Comp Sci Providence RI 02912 USA

ISBN: (数字)9781450359375

ISBN: (纸本)9781450359375

We introduce a tool within Code development environment that allows for continuous execution as the programmer edits. The tool, SEEDE, shows both the intermediate and final results of execution in terms of variables, control and data flow, output, and graphics. These results are updated as the user edits. The tool can be used to help the user write new code or to find and fix bugs. The tool is explicitly designed to let the user quickly explore the execution of a method along with all the code it invokes, possibly while writing or modifying the code. The user can start continuous execution either at a breakpoint or for a test case. This paper describes the tool, its implementation, and its user interface. It presents an initial user study of the tool demonstrating its potential utility.

关键词： continuous execution integrated development environments debugging live programming

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DeployGround: A Framework for Streamlined programming from API Playgrounds to Application Deployment

DeployGround: A Framework for Streamlined Programming from A...

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IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC)

作者： Kato, Jun Goto, Masataka Natl Inst Adv Ind Sci & Technol Tsukuba Ibaraki Japan

ISBN: (纸本)9781538642351

Interactive web pages for learning programming languages and application programming interfaces (APIs), called "playgrounds," allow programmers to run and edit example codes in place. Despite the benefits of this live programming experience, programmers need to leave the playground at some point and restart the development from scratch in their own programming environments. This paper proposes "DeployGround," a framework for creating web-based tutorials that streamlines learning APIs on playgrounds and developing and deploying applications. As a case study, we created a web-based tutorial for browser-based and ***-based JavaScript APIs. A preliminary user study found appreciation of the streamlined and social workflow of the DeployGround framework.

关键词： Coding tutorials online learning API playground live programming programming experience

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Systems Level liveness with Extempore

Systems Level Liveness with Extempore

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ACM SIGPLAN International Symposium on New Ideas, New Paradigms, and Reflections on programming and Software (Onward) part of SPLASH Conference

作者： Sorensen, Andrew Gardner, Henry Australian Natl Univ Res Sch Comp Sci CECS Canberra ACT Australia

ISBN: (纸本)9781450355308

live programs can be modified while the program is executing in order to provide a more reactive experience for the programmer. In demanding applications, such programs traditionally utilise pre-defined function calls to compiled libraries. We present a system that enables demanding live programs to be built where the supporting stack of libraries is, itself, live. In such situations, the top level code might be thought of as a simple "live environment" that can be created live and that encapsulates code that has "bubbled-up" from the supporting libraries. Our system enables this bubbling up to be achieved in an ad-hoc way and with minimal performance penalty. The deep, systems-level liveness that it exhibits is described and compared with other approaches to live Coding and liveness generally. The work described here has its origins in the artistic live Coding of computer music and multimedia. We also discuss its wider uses including the development of interactive multimedia installations and the harnessing of scientific simulation.

关键词： live Coding live programming liveness Computer Music

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A Partial Read Barrier for Efficient Support of live Object-Oriented programming 15

A Partial Read Barrier for Efficient Support of Live Object-...

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14th ACM SIGPLAN International Symposium on Memory Management (ISMM)

作者： Miranda, Eliot Bera, Clement Cadence Design Syst New York NY USA RMOD INRIA Lille Nord Europe Lyon France

ISBN: (纸本)9781450335898

live programming, originally introduced by Smalltalk and Lisp, and now gaining popularity in contemporary systems such as Swift, requires on-the-fly support for object schema migration, such that the layout of objects may be changed while the program is at one and the same time being run and developed. In Smalltalk schema migration is supported by two primitives, one that answers a collection of all instances of a class, and one that exchanges the identities of pairs of objects, called the become primitive. Existing instances are collected, copies using the new schema created, state copied from old to new, and the two exchanged with become, effecting the schema migration. Historically the implementation of become has either required an extra level of indirection between an object's address and its body, slowing down slot access, or has required a sweep of all objects, a very slow operation on large heaps. Spur, a new object representation and memory manager for Smalltalk-like languages, has neither of these deficiencies. It uses direct pointers but still provides a fast become operation in large heaps, thanks to forwarding objects that when read conceptually answer another object and a partial read barrier that avoids the cost of explicitly checking for forwarding objects on the vast majority of object accesses.

关键词： live programming schema migration object representation garbage collection language virtual machine forwarding pointer read barrier

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A Partial Read Barrier for Efficient Support of live Object-Oriented programming

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ACM SIGPLAN NOTICES 2015年第11期50卷 93-104页

作者： Miranda, Eliot Bera, Clement Cadence Design Syst New York NY USA RMOD INRIA Lille Nord Europe Lyon France

关键词： live programming schema migration object representation garbage collection language virtual machine forwarding pointer read barrier

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