Questions & Help>Questions

Merge streams but run asynchronously

#enumerables#task#streams#enum#stream#async_stream
emre

emre

Merge streams but run asynchronously

Hello there,

I have 3 streams, each streaming data from different sources. I want to merge these streams as well as run them in parallel.
The Stream.concat function merges streams end to end, so when I use this combined stream, I get data in order. In other words, when the first stream runs out, it switches to the second one, then to the third one.
But I want to run the streams in parallel, and to get data as soon as all resources stream any data.

Thank you all!

2 comments
#enumerables#task#streams#enum#stream#async_stream
3 1463 2

Marked As Solved

Laetitia

Laetitia

Have you seen this thread?

3
Post #2

Where Next?

View thread on forum (has 2 responses!)
enumerables
task
streams
enum
stream
async_stream
Home Questions & Help>Questions
#enumerables#task#streams#enum#stream#async_stream
3 1465 2
Last post

Popular in Questions Top

dotdotdotPaul
Questions & Help>Questions

Ecto: Validating belongs_to association is not nil?
Okay, I'm having a heck of a time trying to figure out how to best handle the validation of belongs_to associations in Ecto. I'm sure I'...
#ecto
29 17806 25
New
tduccuong
Questions & Help>Questions

Desktop GUI app with Elixir?
Hi, is there any work on GUI with Elixir, that is similar to Electron/Javascript? My idea is to bundle Phoenix and BEAM into a single se...
/phoenix#gui
34 13194 12
New
SoCreat
Questions & Help>Questions

What's the best ide/editor for elixir in 2021?
i’m a new one to elixir which editor can i use vs code? or atom? Thanks! :smiley:
#ide
68 37349 27
New
myronmarston
Questions & Help>Questions

Typespecs - best way to spec keyword lists?
The Elixir Typespec docs show the following syntax for keyword lists in typespecs: # ... | [key: type] # keyword lis...
#dialyzer
52 14258 3
New
Phillipp
Questions & Help>Questions

Problems with Elixir (erlang crypto module) on Ubuntu (ARM)
Hey, I have a NanoPi-M3 and try to install Elixir on their Ubuntu image. I followed the Raspberry Pi installation instructions from the ...
#linux#troubleshooting
9 14729 20
New
rms.mrcs
Questions & Help>Questions

Transform a list into an map with indexes using Enum module
Hi, I need to transform a list of numbers into a map where the keys are the indexes and the values are the original values of the list....
35 32607 9
New
ashish173
Questions & Help>Questions

Difference in between :utc_datetime and :naive_datetime in Ecto
I am using Ecto timestamps with postgres, I can see the timestamps() use the :naive_dateime but for my use case I wanted to store the ti...
#ecto#timestamps
79 27907 15
New
hpopp
Questions & Help>Questions

Access Behaviour on Structs
To simplify some tasks at work, I wrote and published this package yesterday. It’s a simple macro that enables Access behaviour on struct...
#structs
31 13547 7
New
beno
Questions & Help>Questions

Pattern match with multiple match options
I will often find my self writing things similar to: case some_value do nil -> something() "" -> something() _ -> someth...
#pattern-matching#how-to-question
29 15490 6
New
belgoros
Questions & Help>Questions

Regex question for hyphen match
I’m not a pro in using Regex and can’t figure out why the following behaviour happens, especially if we take into account the difference ...
#learning-elixir
9 12939 10
New

Other popular topics Top

Tee
Questions & Help>Questions

Enumerables - how does Enum.reduce work with maps
can someone please explain to me how Enum.reduce works with maps
#erlang
18 14675 13
New
albydarned
Questions & Help>Questions

Erlang and Elixir on Apple Silicon/M1 Chip
Hello all! I am typing this post from my new MacBook Pro with the M1 chip. I’m loving it so far, and will probably use it as my daily dr...
#erlang#troubleshooting
121 24599 65
New
grych
Your Libraries & Projects>Libraries

Drab: remote controlled frontend framework for Phoenix
Hi folks, Few months ago I have announced the proof-of-concept of the library to manipulate the browsers DOM objects directly from Elixi...
/phoenix#web-frameworks#frontend#javascript#drab
639 49522 488
New
jononomo
Questions & Help>Questions

Where / How does the Mix environment variable get set?
I am trying to figure out how Mix knows whether the environment is test, dev, or prod -- where is this set? Thanks.
#mix
31 22791 9
New
chrismccord
News>Phoenix News

Phoenix v1.3.0-rc.0 released
As promised, the first release candidate of Phoenix 1.3.0 is out! This release focuses on code generators with improved project structure...
/phoenix#phoenix-release
434 29347 97
New
aadeshere1
Questions & Help>Questions

Write while loop equivalent in elixir
I have a another noob question about loop. Since elixir is immutable, while loop is not directly possible. total = 10 while total != 0 ...
#while#loop
60 28200 36
New
ashish173
Questions & Help>Questions

Difference in between :utc_datetime and :naive_datetime in Ecto
I am using Ecto timestamps with postgres, I can see the timestamps() use the :naive_dateime but for my use case I wanted to store the ti...
#ecto#timestamps
79 27907 15
New
romenigld
Questions & Help>Questions

Docker run Error loading shared library libstdc++.so.6 and libgcc_s.so.1
I am trying to run a deploy with docker and I successfully runned with this command: docker build -t romenigld/blog-prod . but when I t...
/phoenix#deployment#docker-compose
30 19932 15
New
lanycrost
Questions & Help>Questions

How To Implement if...else if...else condition
Hi everyone! I need implement if…else if…else condition from my elixir code, and anymore of this control flow structures not work proper...
#how-to-question
40 51494 6
New
magnetic
Learning Resources>Guides/Tuts/Tips/Info

Configuring VSCode to use with Elixir and Phoenix Templates
Hey :wave:t3: Elixir community, I’ve been learning Elixir, and working on some side projects. My editor of choice is VSCode, and althoug...
#phoenix_html#vs-code#vscode-elixir#elixir-ls
43 16832 15
New
Back to top

Questions & Help>Questions

Questions Questions ❯

Latest on Elixir Forum

Elixir Forum ❯

Sponsor Spotlight

Potions

The deployment platform built for Elixir: PaaS ease, VPS control.

Our Sponsors

Dashbit

Build Elixir applications with speed and confidence.

EEF

Supporting innovation across the BEAM ecosystem.

Coders51

We build reliable cloud platforms for business-critical systems.

AppSignal

Catch errors, track performance, monitor hosts and more.

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Manning

Develop your skills with books, videos, and courses.

Potions

The deployment platform built for Elixir: PaaS ease, VPS control.

Pragmatic Studio

Courses that'll move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

Categories:

Sub Categories:

Forums

Our Sponsors

Dashbit

Build Elixir applications with speed and confidence.

EEF

Supporting innovation across the BEAM ecosystem.

Coders51

We build reliable cloud platforms for business-critical systems.

AppSignal

Catch errors, track performance, monitor hosts and more.

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Manning

Develop your skills with books, videos, and courses.

Potions

The deployment platform built for Elixir: PaaS ease, VPS control.

Pragmatic Studio

Courses that'll move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

We're in Beta

About us Mission Statement