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Re:I've been merging microservices back into the monolith by humanrebar on Monday December 21, 2020 @05:57PM (#25500708)
But if you have a lot of migration to do, you're keeping compatibility across the whole stack that entire time. If you have more atomic processes, the trivial ones get migrated trivially and aren't forced to carry technical debt for extended periods of time.

And there are worse scenarios than python upgrades. What happens if your processor or your OS reaches end of life? Do you keep running the whole stack on Windows XP without security patches until the last bit is ready?

Re:I've been merging microservices back into the monolith by nicoburns on Monday December 21, 2020 @06:05PM (#25500783)
Hopefully you fix compatibility with newer versions of windows years before XP goes end of life. A lot of people seem to have created these problems for themselves by buying into proprietary platforms that then get yanked from underneath them. You can generally choose stacks that don't have this problem (or not to nearly the same degree).
Re:I've been merging microservices back into the monolith by danielheath on Monday December 21, 2020 @06:04PM (#25500775)
If some parts are running xp exposed and unpatched, your organisation needs to fix that before tackling application architecture. The question doesn’t make sense; I might as well ask which galaxy I should colonise.

No technique or tool will fix your organisation.