4 ms·

node.js has real-time guarantees?

by mhd 15y ago

mcantelon 15y ago
What's a real-time guarantee?
- stcredzero 15y ago
  http://en.wikipedia.org/wiki/Real-time_computing http://en.wikipedia.org/wiki/Real-time_computing
  - mcantelon 15y ago
    Sure, anything using the Internet as a conduit, and having to scale to an unpredictable number of users, is incapable of a realtime-guarantee in the technical sense but in terms of user perception it will be real-time in normal conditions. Realtime-y. ;)
stcredzero 15y ago
Exactly what I was thinking. This is the third recent post to HN using "real-time" in this fashion. They're hijacking a term which already has widespread use and which, "doesn't mean what they think it does," to hijack a line from Princess Bride. http://en.wikipedia.org/wiki/Real-time_computing http://en.wikipedia.org/wiki/Real-time_computing
- ZachS 15y ago
  I use "real-time" in this fashion because describing it as "soft real-time" seems weird.
  - mhd 15y ago
    Didn't we call websites that update without a manual page reload "AJAX" just a few minutes ago? And yes, even if there's no XML present, but at least it's an abuse of a pretty new, web-specific term. I propose we call all that stuff "FEFYOM" (Fast Enough For You Old Man) from now on.
    - stcredzero 15y ago
      If I ever write a manga with cute girls travelling the galaxy in a super-fancy ship, I'm going to name the ship the "Fefyom."
    - wmf 15y ago
      AJAX is where you click on something and then the page updates. Comet is where the page updates without the user having to initiate anything.
      - udp 15y ago
        Source?
      - pork 15y ago
        Fascinating...so wrapping an Ajax call inside a window.setInterval automatically switches it to "Comet"?
dreamdu5t 15y ago
We should use the term "auto-synchronizing" insteaf of real-time
- webjprgm 15y ago
  You know those journalist pages where they report what's happening at an event with immediate updates? It's called "live updating". Why don't we use that term? TV news stations say "LIVE" when it's current events happening now. "Real time" as used for this Ajax technique means that the page is auto-updating with events happening now. That's "live". Any seconders?
  - geoffschmidt 15y ago
    In fact, in Meteor, the relevant packages are called "livedata" and "liveui". In the docs, Meteor usually tries to use the word "reactive" or sometimes "automatic," thought "realtime" does seem to have slipped in in some places.

node.js has real-time guarantees?

by mhd 15y ago

node.js has real-time guarantees?

mcantelon 15y ago

What's a real-time guarantee?

stcredzero 15y ago
http://en.wikipedia.org/wiki/Real-time_computing http://en.wikipedia.org/wiki/Real-time_computing
- mcantelon 15y ago
  Sure, anything using the Internet as a conduit, and having to scale to an unpredictable number of users, is incapable of a realtime-guarantee in the technical sense but in terms of user perception it will be real-time in normal conditions. Realtime-y. ;)

stcredzero 15y ago

Exactly what I was thinking. This is the third recent post to HN using "real-time" in this fashion. They're hijacking a term which already has widespread use and which, "doesn't mean what they think it does," to hijack a line from Princess Bride. http://en.wikipedia.org/wiki/Real-time_computing http://en.wikipedia.org/wiki/Real-time_computing

ZachS 15y ago
I use "real-time" in this fashion because describing it as "soft real-time" seems weird.
- mhd 15y ago
  Didn't we call websites that update without a manual page reload "AJAX" just a few minutes ago? And yes, even if there's no XML present, but at least it's an abuse of a pretty new, web-specific term. I propose we call all that stuff "FEFYOM" (Fast Enough For You Old Man) from now on.
  - stcredzero 15y ago
    If I ever write a manga with cute girls travelling the galaxy in a super-fancy ship, I'm going to name the ship the "Fefyom."
  - wmf 15y ago
    AJAX is where you click on something and then the page updates. Comet is where the page updates without the user having to initiate anything.
    - udp 15y ago
      Source?
    - pork 15y ago
      Fascinating...so wrapping an Ajax call inside a window.setInterval automatically switches it to "Comet"?

dreamdu5t 15y ago

We should use the term "auto-synchronizing" insteaf of real-time

webjprgm 15y ago
You know those journalist pages where they report what's happening at an event with immediate updates? It's called "live updating". Why don't we use that term? TV news stations say "LIVE" when it's current events happening now. "Real time" as used for this Ajax technique means that the page is auto-updating with events happening now. That's "live". Any seconders?
- geoffschmidt 15y ago
  In fact, in Meteor, the relevant packages are called "livedata" and "liveui". In the docs, Meteor usually tries to use the word "reactive" or sometimes "automatic," thought "realtime" does seem to have slipped in in some places.