在技术债务优先级和缓解中采用DevOps范式

M. Stochel, P. Chołda, Mariusz R. Wawrowski
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引用次数: 1

摘要

不断增长的软件使用量,伴随着巨额的技术债务,逐渐引起了业界的关注。新技术和软件开发过程成为增加复杂性的另一个自由度。随着软件开发和交付技术的发展,技术债务视角也应该随之发展。考虑到所有能够向客户交付价值的软件工件,采用DevOps范式及其对软件开发生命周期的整体关注,本文中提出的策略能够在一系列连续的复杂合并之后实现大型电信软件系统的稳定。本文的研究问题是寻找证据证明技术债务缓解工作的优先级是否会带来更快的投资回报。对该软件系统进行了为期2年的案例研究,重点关注技术债务的优先级和缓解,从而提高了特性开发工作的质量和稳定性(基于成本和时间)。因此,应用这种方法的实际收益包括稳定性问题减少50%以上,筛分提高30%以上,交付时间的可预测性提高6倍(减少了稳定工作和时间的分配)。
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Adopting DevOps Paradigm in Technical Debt Prioritization and Mitigation
The constantly growing amount of software in use, accompanied by huge amount of technical debt, gradually raises concern in the industry. New technologies and software development processes become yet another degree of freedom boosting the complexity. As the software development and delivery techniques evolve, technical debt perspective should follow. Taking into account all software artefacts enabling value delivery to customers, embracing DevOps paradigm and its holistic focus on software development lifecycle, the strategy presented in this paper enabled stabilization of a large telecommunication software system after a set of consecutive complex merges. The research question of this paper looks for evidence whether prioritization of technical debt mitigation efforts bring a faster return on investment. A 2-year-long case study focused on technical debt prioritization and mitigation that was conducted on this software system resulted in improved quality and stabilization of feature development efforts (cost and time based). Therefore, the tangible gains from applying this approach comprise over 50% decrease in stability issues, improved screening by over 30%, and 6 times better predictability of delivery time (reducing allocation of stabilization effort and time).
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