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KasperNS
5y

To anyone with good knowledge of RxJs:

Should I be careful how many subscriptions I have open at a time? I'm specifically thinking about memory usage.

While obviously it's more, does it make a huge impact on memory usage, if I have 20 subscriptions active, compared to 2?

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  • 4
    5y
    Really it should be quite cheap, memory wise, to have lots of subscriptions in any observer system. I wouldn't worry about it being a bottle neck in your software.
  • 1
    5y
    @beegC0de oh great. Still pretty new to the observer pattern
  • 3
    5y
    @KasperNS adding a subscriber to an observable should be no more than storing a pointer to the subscriber
  • 2
    5y
    @beegC0de yeah that what also my theory, but I couldn't find anything about it anywhere :/
  • 0
    5y
    Unsubscribe from observables when you don’t need them anymore, it should be like:
    let subscription = someObservable.subscribe(...)
    ...
    subscription.unsubscribe()
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