11 ms·

Why make apples and oranges comparisons to the kernel? It isn't that hard to replace sysvinit. Why should sysvinit's replacement regress in this area?

by exarch 12y ago

TheLoneWolfling 12y ago
Because systemd is, although people argue this point, essentially monolithic. Sure, in theory it's modular, but the module dependencies are so intertwined that good luck using any of the modules without the entire thing - or writing so many compatibility shims that you might as just write the module yourself. And that's even assuming a compatibility shim can be written without essentially reimplementing the entire module. It prevents incremental replacements. And it keeps expanding to pull more and more essentially unrelated functionality into itself. It's "you're stuck with this architecture unless you redo the whole darn thing". And, again, systemd keeps getting larger and larger. As you say, it isn't that hard to replace sysvinit. But to replace systemd you need to replace / write shims for far more things. (Your window manager? I wish I was joking...)
- thoughtpolice 12y ago
  I'm confused by the Window manager comment. As far as I understand, essentially, ConsoleKit development was stopped, and work on systemd-logind etc began as a better way forward, rather than rewriting ConsoleKit. During this timeframe, GNOME developed integration with systemd-logind, similarly to how it developed ConsoleKit support beforehand. And in fact the ConsoleKit backend was supported for a while afterwords. But this is no longer the case as nobody was willing to support it and maintain it in upstream GNOME. So it was removed. So I'm confused by the comment. Your insinuation seems to be this is somehow the fault of systemd for requiring a shim for things like GNOME, if you want them to work without systemd itself as PID 1. But the reality is that any software which has an API dependency that you want to replace is either going to A) need a shim or B) need a replacement that is also supported by the project. And the ship already sailed on option #2 - ConsoleKit held on until upstream decided to remove the bitrot. I find this line of argument very weird. Indeed, this whole scenario seems to be a story of exactly how FOSS often works and how we envision it to work: people do the work, and in some cases they may compete with or achieve superiority over another project. And other people adopt that work and use it for their own work later on. And people may develop replacements that are or are-not compatible as they see fit. It's probably very true that GNOME and systemd developers worked together to reach agreements on systemd-logind, so it could be used by both and they could understand each others needs. But why is it systemd's fault if nobody stepped up to maintain ConsoleKit, and systemd's fault if GNOME decided to remove support for something they saw as bitrot? Am I missing something extremely key here? Or do you consider this nobody's fault and just something that happened?
  - digi_owl 12y ago
    Stopped by Poettering, because there was corner cases where Consolekit could not reach. In essence, Perfect became the enemy of Good (tho that consolekit was ever good outside the fevered minds of some control freak in a uniform is anyones guess).

Why make apples and oranges comparisons to the kernel? It isn't that hard to replace sysvinit. Why should sysvinit's replacement regress in this area?

by exarch 12y ago

Why make apples and oranges comparisons to the kernel? It isn't that hard to replace sysvinit. Why should sysvinit's replacement regress in this area?

TheLoneWolfling 12y ago

Because systemd is, although people argue this point, essentially monolithic. Sure, in theory it's modular, but the module dependencies are so intertwined that good luck using any of the modules without the entire thing - or writing so many compatibility shims that you might as just write the module yourself. And that's even assuming a compatibility shim can be written without essentially reimplementing the entire module. It prevents incremental replacements. And it keeps expanding to pull more and more essentially unrelated functionality into itself. It's "you're stuck with this architecture unless you redo the whole darn thing". And, again, systemd keeps getting larger and larger. As you say, it isn't that hard to replace sysvinit. But to replace systemd you need to replace / write shims for far more things. (Your window manager? I wish I was joking...)

thoughtpolice 12y ago
I'm confused by the Window manager comment. As far as I understand, essentially, ConsoleKit development was stopped, and work on systemd-logind etc began as a better way forward, rather than rewriting ConsoleKit. During this timeframe, GNOME developed integration with systemd-logind, similarly to how it developed ConsoleKit support beforehand. And in fact the ConsoleKit backend was supported for a while afterwords. But this is no longer the case as nobody was willing to support it and maintain it in upstream GNOME. So it was removed. So I'm confused by the comment. Your insinuation seems to be this is somehow the fault of systemd for requiring a shim for things like GNOME, if you want them to work without systemd itself as PID 1. But the reality is that any software which has an API dependency that you want to replace is either going to A) need a shim or B) need a replacement that is also supported by the project. And the ship already sailed on option #2 - ConsoleKit held on until upstream decided to remove the bitrot. I find this line of argument very weird. Indeed, this whole scenario seems to be a story of exactly how FOSS often works and how we envision it to work: people do the work, and in some cases they may compete with or achieve superiority over another project. And other people adopt that work and use it for their own work later on. And people may develop replacements that are or are-not compatible as they see fit. It's probably very true that GNOME and systemd developers worked together to reach agreements on systemd-logind, so it could be used by both and they could understand each others needs. But why is it systemd's fault if nobody stepped up to maintain ConsoleKit, and systemd's fault if GNOME decided to remove support for something they saw as bitrot? Am I missing something extremely key here? Or do you consider this nobody's fault and just something that happened?
- digi_owl 12y ago
  Stopped by Poettering, because there was corner cases where Consolekit could not reach. In essence, Perfect became the enemy of Good (tho that consolekit was ever good outside the fevered minds of some control freak in a uniform is anyones guess).