Meaning of never change a running system | Babel Free

Definitions

Do not change something while it is working (because there is a risk of breaking it).

Examples

“That is, applying a specialised new policy to only improve⟳ a temporary capacity extension may be unsuitable (“Never change⟳ a running system!”).”

“This is the weakest point⟳ of the current practice: the deployment of complex systems on a heterogeneous, distributed platform is typically a nightmare, the required system-level testing is virtually unsupported, and maintenance and upgrading very often turn⟳ out to be extremely time consuming and expensive, de facto responsible for the slogan “never change⟳ a running system”.”

““Never change⟳ a running system” is a widely used statement in software development, and it is also applicable when you consider⟳ moving your application to the cloud.”

“It’s not a coincidence that the following saying offers insight into the CIOs’ minds: ‘Never change⟳ a running system.’ However, just keeping the lights on seems to prevent⟳ innovation.”

CEFR level