How can you conduct system testing and maintenance concurrently?

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System testing and maintenance are two essential activities in systems design that ensure the quality, reliability, and performance of a system. However, they can also be time-consuming, costly, and disruptive to the system's operation. How can you conduct system testing and maintenance concurrently, without compromising the system's functionality or user experience? In this article, we will explore some strategies and best practices for concurrent system testing and maintenance, such as:

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1 Using test environments

One of the most common and effective ways to conduct system testing and maintenance concurrently is to use test environments that mimic the production environment as closely as possible. Test environments allow you to perform various types of testing, such as unit testing, integration testing, regression testing, and performance testing, without affecting the live system. Test environments also enable you to apply patches, updates, and configuration changes to the system and verify their impact before deploying them to the production environment. Test environments should be isolated, secure, and accessible to the relevant stakeholders.

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Vinu Vasudev

Engineering at Pristyn Care | Serverless Advocate
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Using test environments is like having a practice ground for software. It’s where you can check all the moves before the big game. By mirroring the real world, it’s easier to fix any potential issues without causing chaos in the live system. It’s a safe sandbox to play, experiment, and make sure everything works smoothly before inviting the audience in!

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Arsalan ul Haq

Head of Operational Finance @ Altpay
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Optimization of SQL Server Database Performing 2.5 Million Transactions in a Month. 1. Replace the Temporary table with the table variable 2. Purjing of Large Tables 3. Archive Old Data 4. Optimized Queries 5. Adding Failover Cluster in SQL Server 6. All Select Queries will be done by Read only Cluster 7. Made necessary Indexes 8. Remove unnecessary joins of tables in queries. 9. Reduce Normalizations. 10. Continuously update states of tables When we are working on a fintech system, we continuously need optimization of the database due to the smooth performance of the real-time transactions engine. more importantly large database needs time to time purging and archiving activities. above provided points are the key to optimizations.

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Carlos C.

Musician/Composer, produced scriptwriter, former "Rocket Scientist."
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Test as you fly, fly as you test. As we used to say. Make sure your coders write code that will allow system test and maintenance in a seamless way...

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2 Applying continuous integration and delivery

Another way to conduct system testing and maintenance concurrently is to apply continuous integration and delivery (CI/CD) principles and practices. CI/CD is a methodology that automates the process of building, testing, and deploying software changes to the system. CI/CD enables you to test and maintain the system in small and frequent increments, rather than in large and infrequent batches. CI/CD also reduces the risk of errors, bugs, and conflicts in the system, as well as the downtime and rollback costs. CI/CD requires a robust pipeline, tools, and workflows that support automation, collaboration, and feedback.

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3 Implementing feature toggles

A third way to conduct system testing and maintenance concurrently is to implement feature toggles, also known as feature flags or switches. This technique allows you to enable or disable certain features or functionalities of the system at runtime, without modifying the code or restarting the system. Feature toggles can be used to release new features gradually and selectively to different segments of users, such as beta testers, early adopters, or specific regions. Additionally, it can be used to experiment with different versions of features and compare their performance, usability, and feedback. Moreover, feature toggles make it possible to turn off problematic or risky features quickly and safely, without affecting the rest of the system. However, it is important that feature toggles are well-designed, documented, and managed in order to avoid complexity, inconsistency, and technical debt.

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Aniket Soni

Associate - Projects @Cognizant | 2x GCP Certified | Databricks Certified Data Engineer | AFCEA 2024 40U40 | IAF Young Achievers' Awardee | Full-Stack Engineer | Judge | Speaker | Tech Mentor | Tech Reviewer
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By integrating feature toggles, teams gain the ability to dynamically control features during runtime, providing a seamless means to conduct testing, experimentation, and maintenance without disrupting the overall system. This not only facilitates a gradual and controlled release of new functionalities but also offers a safety net for promptly addressing issues or deactivating specific features if needed. However, meticulous design and management of feature toggles are imperative to prevent complications and maintain system integrity.

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4 Adopting a DevOps culture

Adopting a DevOps culture is a fourth way to conduct system testing and maintenance concurrently. This culture fosters collaboration and communication between the development and operations teams, breaking down silos and barriers. It also establishes clear feedback loops and channels for quickly identifying, reporting, and resolving issues. Leveraging the skills, knowledge, and tools of both teams can optimize system performance, security, and scalability. In order to successfully implement a DevOps culture, it is necessary to shift mindsets, behaviors, and culture to support continuous learning, improvement, and innovation.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you conduct system testing and maintenance concurrently?

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5

1 Using test environments

2 Applying continuous integration and delivery

3 Implementing feature toggles

4 Adopting a DevOps culture

5 Here’s what else to consider

Systems Design

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How can you conduct system testing and maintenance concurrently?

1

2

3

4

5

1 Using test environments

2 Applying continuous integration and delivery

3 Implementing feature toggles

4 Adopting a DevOps culture

5 Here’s what else to consider

Systems Design

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