Top Five Strategies to Consider When You Can’t Re-Write your Legacy Systems

Summary

A system rewrite may not be viable either because the timing isn’t right or because it’s a matter of business case justification. But when a system rewrite is off the table, CI/CD can be utilized to streamline the code review process and continuously monitor the system’s health. You can even go a step further by rewriting sub-features to reduce technical debt, deploy microservices to better support customers and finally make a move towards a reporting solution such as a data lake to innovate on analytical requirements when the inevitable rewrite finally takes place. Adopting these strategies can help iron out the kinks in your system and restore system stability while parallelly making it fool proof against the legacy demon.

Read More..



Reading Time: 4 minutes

As discussed in our series of articles on legacy software, a system rewrite may not always be feasible. Sometimes it’s a matter of timing, other times it’s a matter of business case justification. Whatever the reasoning may be, we highlight the top five strategies to consider when a system rewrite is not on the table. These strategies help restore system stability as much as possible while enhancing the system for future enhancements and upgrades. 

100% CI/CD 

The fact that Continuous Integration and Continuous Delivery/Deployment (CI/CD) made it to the top of the list often makes some people nervous, at least initially. However, once we realize that most legacy systems already have a mix of semi-automated deployments and integrations, the pressure comes down a bit. While a 100% CI/CD strategy takes time to develop, it streamlines the branching and merging of code and promotes a centralized code review process that is key to eliminating unforced errors. Furthermore, CI/CD also provides a smoother refresh from staging to production environments, helping to manage hotfix releases with greater ease. 

System Health Monitoring 

The famous saying goes, “You can’t improve what you don’t measure.” As it relates to software systems, we can’t improve let alone fix what we’re not measuring and monitoring. As one would expect, legacy systems come with a slew of disparate technologies and code snippets that may not mesh well together. Therefore, a standardized logging and monitoring system is important to notify of potential problems. To start, leaders should establish System Health Monitoring KPIs that are important to reduce negative customer impact. The logging should be centralized, with clear monitoring of “hot paths” or processes that consume a high amount of execution time. There should also be automated logging of repetitive errors, which could point to deeper problems within the system. And lastly, a cross-functional team of product and engineering leaders should hold a biweekly review of these KPIs and system health logs. Ideally, these KPIs are updated every one to two quarters with a clear path progressing towards greater system performance over time. 

See also  3 Reasons How Legacy Technology is Hindering Supply Chain Systems

Targeted Sub-Feature Re-Writes 

As software leaders know all too well, legacy systems inherently carry a load of technical debt. While an entire rewrite of the system is out of the question, and perhaps even a rewrite of a feature as well, starting with a smaller part of a major feature is often warranted. Just as the saying goes not to bite off more than you can chew, we start out with smaller chunks of sub-features to optimize. This mindset may not yield a large amount of progress initially, but over time can add up to be meaningful to both customers and engineering teams alike. We’ve helped several enterprise customers in this area, and they have witnessed significant returns in system stability and predictability over a period of nine to twelve months. 

Micro Services for New Features 

While developing new features on top of a legacy system is difficult and risky, taking a microservice strategy could be viable in continual efforts to support customers. By decoupling business logic and interdependencies of monolithic system architecture, microservices can be considered as a subset of features or modules that make up the overall system. Furthermore, a phased implementation can help avoid disturbances to the system as each microservice is optimized for its own use cases. This approach reduces the further technical debt on the legacy system and ultimately these microservices can be reused when the inevitable rewrite takes place.  

Data and Analytics Strategy 

Legacy systems normally possess a wide range of reporting features or functionalities. Adding any new features and changes would cascade to reporting too. Strategizing analytical and reporting to a data lake (centralized repository) and moving towards an out-of-box reporting solution will enable the businesses to enhance and innovate on analytical requirements. This design facilitates future rewrites and potential integrations too. 

See also  The 7 Must-Dos When You are Re-Architecting an Enterprise System

Conclusion 

At some point down the line, a system rewrite may be inevitable. But until then, these strategies can help stabilize even the most convoluted systems and provide continued value to end customers. Once you determine that a rewrite is better than the continual maintenance of an outdated system, there are several key prerequisites to tackle before the decision is made. A proper transition with new development frameworks is necessary to ensure system rewrites only occur on rare occasions going forward. 

At some point of time or other a legacy system would need a re-write or a series of sub-feature rewrites. As the above strategies enable us to stabilize the current legacy system, we have covered various aspects to consider when you have taken a decision to re-write. Refer to that post here. 

Get in Touch

Let's build transformative solutions together

Mail: info@adtechcorp.in

233 Responses
  1. I loved as much as you’ll receive carried out right
    here. The sketch is attractive, your authored material stylish.
    nonetheless, you command get bought an edginess over that you wish be delivering the
    following. unwell unquestionably come more formerly again since exactly the same nearly very often inside case you shield
    this hike.

  2. Link exchange is nothing else but it is simply placing the other person’s web site link on your page at
    suitable place and other person will also do same in favor of you.

  3. Hi there to every one, the contents present at this website are
    truly amazing for people knowledge, well, keep up the nice work fellows.

  4. When I originally commented I clicked the “Notify me when new comments are added” checkbox and now each time a
    comment is added I get several e-mails with the same comment.
    Is there any way you can remove people from that service?

    Thanks a lot!

  5. Hello to all, for the reason that I am truly keen of
    reading this web site’s post to be updated on a regular basis.
    It consists of good stuff.

  6. This piece of writing offers clear idea in support
    of the new users of blogging, that in fact how to do blogging and site-building.

  7. I’ve been absent for some time, but now I remember why I used to love this blog. Thanks, I’ll try and check back more often. How frequently you update your web site?

  8. When I originally commented I clicked the “Notify me when new comments are added” checkbox and
    now each time a comment is added I get four emails with
    the same comment. Is there any way you can remove me from that service?
    Thanks!

  9. This design is incredible! You obviously know how to keep a reader entertained.

    Between your wit and your videos, I was almost moved to start
    my own blog (well, almost…HaHa!) Excellent job. I really enjoyed what
    you had to say, and more than that, how you presented it.
    Too cool!

  10. Interesting blog! Is your theme custom made or did you download it from somewhere?
    A design like yours with a few simple tweeks would really make my
    blog shine. Please let me know where you got your theme.
    Many thanks

  11. It’s genuinely very complex in this active life to listen news on Television, so I
    simply use the web for that reason, and obtain the most up-to-date information.

  12. Fantastic site you have here but I was wondering if you knew of
    any community forums that cover the same topics discussed here?
    I’d really love to be a part of community where I can get advice from other experienced individuals
    that share the same interest. If you have any suggestions, please let me know.
    Appreciate it!

  13. Hey there just wanted to give you a quick heads up.
    The words in your article seem to be running off the screen in Safari.

    I’m not sure if this is a format issue or something to do with internet browser compatibility but I thought I’d post to let you
    know. The design look great though! Hope you get the problem resolved soon. Many
    thanks

  14. I’m truly enjoying the design and layout of your blog.
    It’s a very easy on the eyes which makes it much more enjoyable for me to come here and visit more
    often. Did you hire out a designer to create your theme?
    Excellent work!

  15. Howdy would you mind letting me know which webhost you’re using?
    I’ve loaded your blog in 3 completely different internet browsers and I must say this blog
    loads a lot faster then most. Can you recommend a good
    hosting provider at a fair price? Kudos, I appreciate it!

  16. Excellent post. I was checking continuously this blog
    and I am impressed! Extremely useful info specially
    the last part 🙂 I care for such information much. I was looking for
    this certain info for a long time. Thank you and best of luck.

  17. Fantastic site you have here but I was curious about if you knew of any forums that cover the same topics discussed in this article?
    I’d really like to be a part of online community
    where I can get opinions from other experienced people that share the same interest.
    If you have any suggestions, please let me know.
    Thank you!

  18. Everything is very open with a really clear explanation of the issues.

    It was definitely informative. Your site is useful. Thank you
    for sharing!

  19. Terrific article! This is the kind of information that should
    be shared around the web. Disgrace on Google
    for now not positioning this publish higher!
    Come on over and visit my site . Thanks =)

  20. I like what you guys are up also. Such smart work and reporting! Keep up the excellent works guys I’ve incorporated you guys to my blogroll. I think it will improve the value of my web site :).

  21. Thank you for another excellent post. The place else may just anyone get that type of info in such a perfect
    method of writing? I have a presentation subsequent week, and I’m at the look for such
    info.

  22. After looking into a number of the articles on your web page, I really appreciate your way of writing a blog.
    I bookmarked it to my bookmark webpage list and will be
    checking back in the near future. Please check
    out my website as well and let me know how you
    feel.

  23. Fantastic goods from you, man. I’ve understand your stuff previous to and you are just extremely
    wonderful. I actually like what you have acquired here, certainly like what you’re stating and the
    way in which you say it. You make it enjoyable and you still take
    care of to keep it sensible. I cant wait to read much more
    from you. This is really a terrific website.

  24. After I originally commented I appear to have clicked the -Notify me when new comments are added- checkbox and from now on whenever a comment is added I get four emails with the
    same comment. Perhaps there is a way you can remove me from that
    service? Appreciate it!

  25. Excellent post. I was checking continuously this weblog and I am inspired!

    Very helpful info specially the final phase 🙂 I maintain such info a lot.

    I used to be looking for this certain information for a long time.
    Thanks and best of luck.

  26. Greetings from Carolina! I’m bored to death at work so I decided to check out your blog on my iphone during lunch break.
    I really like the knowledge you present here and can’t wait to take a look when I get home.
    I’m shocked at how fast your blog loaded on my phone ..
    I’m not even using WIFI, just 3G .. Anyways, amazing
    site!

  27. When I initially commented I clicked the “Notify me when new comments are added” checkbox and now each time a comment is
    added I get several e-mails with the same comment.
    Is there any way you can remove me from that service? Thanks
    a lot!

  28. Sweet blog! I found it while surfing around on Yahoo News.
    Do you have any suggestions on how to get listed
    in Yahoo News? I’ve been trying for a while but I never seem to get there!
    Thanks

  29. Its like you read my mind! You seem to know a lot about this, like you wrote the
    book in it or something. I think that you could do with a few pics to
    drive the message home a bit, but instead of that, this is magnificent blog.
    A fantastic read. I will definitely be back.

  30. I’m very pleased to find this web site. I wanted to thank you for your time for this particularly wonderful read!!

    I definitely liked every bit of it and I have you saved to fav to check
    out new information in your web site.

  31. I was wondering if you ever thought of changing the structure
    of your site? Its very well written; I love what youve got to say.
    But maybe you could a little more in the way of content so people
    could connect with it better. Youve got an awful lot of text
    for only having one or two images. Maybe you could space it
    out better?

  32. Hi, i read your blog occasionally and i own a similar one and i was just curious if you get a lot
    of spam comments? If so how do you prevent it, any plugin or anything you can suggest?

    I get so much lately it’s driving me mad so any support is very much appreciated.

  33. It’s actually a nice and useful piece of information. I am glad that you just shared this helpful information with us.
    Please stay us informed like this. Thank you for sharing.

  34. I’d like to thank you for the efforts you have put in writing this website.
    I’m hoping to view the same high-grade content by you in the future as well.
    In fact, your creative writing abilities has encouraged
    me to get my very own blog now 😉

  35. A motivating discussion is worth comment. I believe that you
    ought to publish more about this issue, it might not be a taboo subject but typically people don’t speak about
    such issues. To the next! All the best!!

  36. you are actually a excellent webmaster. The site loading speed is incredible.
    It sort of feels that you’re doing any unique trick.

    In addition, The contents are masterpiece. you have
    performed a fantastic task on this matter!

  37. When I initially commented I clicked the “Notify me when new comments are added” checkbox and now each time a comment is
    added I get three e-mails with the same comment. Is there any way
    you can remove people from that service? Appreciate it!

  38. I do not even understand how I stopped up right here, but I assumed this submit used to be great.
    I do not recognize who you might be but certainly you’re
    going to a famous blogger if you happen to are not already.
    Cheers!

  39. La mejor aplicación de control parental para proteger a sus hijos – monitoriza en secreto GPS, SMS, llamadas, WhatsApp, Facebook, ubicación. Puede monitorear de forma remota las actividades del teléfono móvil después de descargar e instalar apk en el teléfono de destino.

  40. Rastreador de teléfono celular – Aplicación de rastreo oculta que registra la ubicación, SMS, audio de llamadas, WhatsApp, Facebook, fotos, cámaras, actividad de Internet. Lo mejor para el control parental y la supervisión de empleados. Rastrear Teléfono Celular Gratis – Programa de Monitoreo en Línea.

  41. I loved as much as you’ll receive carried out right here. The sketch is attractive, your authored subject matter stylish. nonetheless, you command get got an shakiness over that you wish be delivering the following. unwell unquestionably come more formerly again since exactly the same nearly a lot often inside case you shield this increase.

  42. Thank you a bunch for sharing this with all folks you actually realize what you are talking approximately! Bookmarked. Please additionally consult with my website =). We can have a hyperlink alternate arrangement between us!

  43. It’s appropriate time to make some plans for the future and it is time to be happy. I’ve learn this put up and if I could I want to counsel you few interesting issues or suggestions. Maybe you could write next articles regarding this article. I want to learn more things about it!

  44. Hi, I think your site might be having browser compatibility issues. When I look at your website in Safari, it looks fine but when opening in Internet Explorer, it has some overlapping. I just wanted to give you a quick heads up! Other then that, fantastic blog!

  45. Our team of experienced professionals Alanya Escort understands the unique challenges faced by bloggers and knows how to navigate the ever-changing digital landscape. We take the time to understand your blog’s niche, target audience, and goals, allowing us to develop customized strategies that resonate with your readers and drive engagement.

  46. Reading your article helped me a lot and I agree with you. But I still have some doubts, can you clarify for me? I’ll keep an eye out for your answers.

  47. Reading your article helped me a lot and I agree with you. But I still have some doubts, can you clarify for me? I’ll keep an eye out for your answers.

  48. I may need your help. I tried many ways but couldn’t solve it, but after reading your article, I think you have a way to help me. I’m looking forward for your reply. Thanks.

  49. Obrigado por compartilhar. Estou preocupado por não ter ideias criativas. É o seu artigo que me deixa cheio de esperança. Obrigado. Mas, eu tenho uma pergunta, você pode me ajudar?

  50. At the beginning, I was still puzzled. Since I read your article, I have been very impressed. It has provided a lot of innovative ideas for my thesis related to gate.io. Thank u. But I still have some doubts, can you help me? Thanks.

  51. At the beginning, I was still puzzled. Since I read your article, I have been very impressed. It has provided a lot of innovative ideas for my thesis related to gate.io. Thank u. But I still have some doubts, can you help me? Thanks.

  52. Your article made me suddenly realize that I am writing a thesis on gate.io. After reading your article, I have a different way of thinking, thank you. However, I still have some doubts, can you help me? Thanks.

  53. I am sorting out relevant information about gate io recently, and I saw your article, and your creative ideas are of great help to me. However, I have doubts about some creative issues, can you answer them for me? I will continue to pay attention to your reply. Thanks.

  54. I have read your article carefully and I agree with you very much. This has provided a great help for my thesis writing, and I will seriously improve it. However, I don’t know much about a certain place. Can you help me?

  55. Very nice post. I just stumbled upon your blog and wanted to say that I’ve really enjoyed browsing your blog posts. In any case I’ll be subscribing to your feed and I hope you write again soon!

Leave a Reply