You're facing a tight project deadline. How do you decide between performance and maintainability?
When a tight deadline looms, deciding between performance and maintainability can feel like choosing the lesser of two evils. To strike the right balance:
- Assess critical features. Determine what must be done now for performance and what can be improved later.
- Prioritize code simplicity. Write code that's easy to understand and refactor, even if it's not the most efficient.
- Communicate trade-offs. Ensure stakeholders understand the implications of prioritizing one over the other.
How do you manage the trade-off between performance and maintainability in your projects?
You're facing a tight project deadline. How do you decide between performance and maintainability?
When a tight deadline looms, deciding between performance and maintainability can feel like choosing the lesser of two evils. To strike the right balance:
- Assess critical features. Determine what must be done now for performance and what can be improved later.
- Prioritize code simplicity. Write code that's easy to understand and refactor, even if it's not the most efficient.
- Communicate trade-offs. Ensure stakeholders understand the implications of prioritizing one over the other.
How do you manage the trade-off between performance and maintainability in your projects?
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After programming for 55+ years I am sadly amused by this question. Please define "performance". If your product is so confusing, so poorly written, has an interface that is crap and poor documentation so the user cannot use it, then who cares how fast it runs? On the other hand I used an app on Android one time that drained my battery (running in the background) in three hours. Never used it or the service it promoted again. Always write maintainable code. It should not be second nature but first nature. You cannot predict who will have the glorious job of maintaining your code after you move on. It often takes less time to create and debug well designed, well-written code than it takes to create less crafted code "under stress".
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Maintainability isn't as important as modularity, well architected systems can tolerate having badly written but functional components, if they can be replaced easily. In test-driven development you can use an initial version of code as a way to generate tests for the replacement. Key to maintenance is avoiding technical debt, code clean-up should have zero to negative cost. In most environments I've worked in clean-up has been penalized. The days which I'm happiest with are usually the ones where I deleted more code than I added, compact code is usually easier to understand.
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Focusing on maintainability initially makes future optimization easier. Well-maintained code is simpler to refactor and optimize when needed. As traffic increases, performance optimization naturally becomes a priority, and the company can allocate more resources to handle the increased load. By ensuring maintainability from the start, developers can make performance-related changes with greater confidence and less risk of introducing bugs. Communicating trade-offs to stakeholders ensures they understand the long-term benefits of maintainability over immediate performance gains. Writing simple, maintainable code helps in onboarding new team members and reduces the learning curve, which is beneficial for long-term project health
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Como desenvolvedor e líder de projeto, o foco deve ser criar soluções funcionais, simples e de fácil manutenção, garantindo espaço para evolução futura. Essa abordagem não só facilita ajustes e melhorias no longo prazo, mas também reduz custos e riscos associados a um código complexo ou mal estruturado. Contudo, essa decisão não deve ser tomada de forma isolada. É crucial mapear os pontos críticos da aplicação, avaliar o impacto de cada escolha e alinhar as opções com o cliente. Ao expor de forma clara os prós, contras e custos associados a cada caminho, é possível tomar decisões embasadas e estratégicas que equilibram as demandas do prazo com a qualidade e a sustentabilidade do projeto.
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Quando um prazo apertado exige escolher entre desempenho e manutenção, algumas estratégias ajudam a encontrar um meio-termo: Defina prioridades: Foque primeiro nos recursos essenciais para o desempenho e deixe as melhorias de manutenção para uma fase futura. Escreva um código simples e claro: Priorize a clareza no código, mesmo que não seja a solução mais rápida. Isso facilita futuras refatorações. Comunique as compensações: Deixe claro para o time e as partes interessadas os impactos de priorizar desempenho ou manutenção, ajudando todos a entender as escolhas.
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Tight deadlines always come with chaos and confusion. It is very important to define deliverables and be communicated clearly with the team and customers alike. Once the deliverables are clear, performance comes next, assign priorities based on what the customer wants, make sure the core functionality of the software is prioritised higher. Define must have and good to have features. Once priorities are decided, maintainability comes to play while deciding how many features can be delivered. Lower priority items and/or good to have items should be considered to be postponed or sacrificed to attain maximum maintainability and excellent performance.
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Equilibrar desempenho e capacidade de manutenção em prazos apertados é crucial. Priorizar recursos críticos, simplificar o código e comunicar as compensações são estratégias eficazes.
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My recommendation is to find the correct shade of gray for each. It is not a 1 or 0 decision, and of course we would certainly prefer to avoid it at the first place, so there’s a good lesson to be learnt about it for the sake of the next projects. For this project, come with two or three alternatives (including their pros and cons) to the stakeholders and clearly communicate the decision.
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The word “deadline” is usually associated with the “project-centric” SDLC and not the new agile dev methodology. In agile, your work is broken down into smaller deliverables, each can be delivered in one sprint (2 weeks). The old days where you develop for 6 months and deploy a huge set of executables to productions in one day are GONE. If you’re still living in that world, I pray you will survive the onslaught from your competitors.
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Despues de mas de 50 años programando, hacer foco en la simplificacion del codigo para lograr la mejor mantenibilidad y priorizar el rehuso, es invertir para el futuro. Comunicar y repensar el diseño simplificando, en general logra que se cumplan los plazos del proyecto, pero lo mas importante, para esto, es tener el equipo motivado y que resulte DIVERTIDO, en cada uno de los logros, es el mejor antidoto para los potenciales atrasos
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