# Non-blocking network IO

**URL:** <https://discourse.julialang.org/t/non-blocking-network-io/123344>\
**Category:** General Usage\
**Created:** [December 2, 2024, 7:43am UTC](https://discourse.julialang.org/t/non-blocking-network-io/123344 "2024-12-02T07:43:35Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Pedro](https://avatars.discourse-cdn.com/v4/letter/p/919ad9/32.png) [@Pedro](https://discourse.julialang.org/u/Pedro)\
**Post date:** [December 3, 2024, 2:17pm UTC](https://discourse.julialang.org/t/non-blocking-network-io/123344/9 "2024-12-03T14:17:59Z")

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That’s a really good talk. At least after watching it I probably can answer my own question I have recently posted. 🙂

> [@Does stdlib network sockets use only first thread?](https://discourse.julialang.org/t/does-stdlib-network-sockets-use-only-first-thread/123027/1):
>
> I am writing a multi-threaded applications with a GUI (CImGui.jl) and a network sockets (Base.Sockets) to handle low-latency data stream over local network via UDP. I have a few independent threads to handle data processing and networking. First UDPSocket (source of data) and recv calls in one thread, and second UDPSocket (sink for processed data) and send calls in another thread. Data exchange between threads is done via Channel. After various test why the output network stream lags, I found …

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