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We are switching project from javaRx 1.x to javaRx 2.x. i cant really understand:

  1. Why i should keep Observable in my project instead of using Flowable everywhere.
  2. If i know the place there is no any back pressure do i need to use Flowable with no back pressure setup (default, ON_OVERFLOW_ERROR) does it make difference with new javaRx 2.x Observable in term of memory, processor time use?
  3. Will i have more potential errors if i keep Observable?

Here we have some explications: What is the difference between Observable and Flowable in RxJava 2.0?

What is the difference if i use everywhere Flowable?

Aleksandr Belov
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  • Under the section "Observable and Flowable" of the documentation at https://github.com/ReactiveX/RxJava/wiki/What%27s-different-in-2.0 explains well the difference and when to use what. What part of it do you not understand ? – suenda Jan 25 '18 at 08:46
  • The question is : if i use Flowable instead of Observable even if i have less then 1000 elements (as explained there ) what will be the disadvantages of that. In other words i am misusing Flowable with Observable. Do we have more processors time working, or memory consuming in case of Flowable. If we dont why we distinct it - i can use everywhere only Flowable and why Observable isn't obsolete. Thanks a lot for explication. – Aleksandr Belov Jan 25 '18 at 16:03

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