# GenServer blocking in async task

**URL:** <https://forum.elixirforum.com/t/genserver-blocking-in-async-task/32635>\
**Category:** Questions\
**Tags:** task, exunit, asynchronous, genserver\
**Created:** [June 25, 2020, 1:49pm UTC](https://forum.elixirforum.com/t/genserver-blocking-in-async-task/32635 "2020-06-25T13:49:39Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![jtsummers](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/jtsummers/32/19607_2.png) [@jtsummers](https://forum.elixirforum.com/u/jtsummers)\
**Post date:** [June 25, 2020, 5:08pm UTC](https://forum.elixirforum.com/t/genserver-blocking-in-async-task/32635/6 "2020-06-25T17:08:48Z")

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[PlantUML.](https://plantuml.com) There’s a nice live preview in VS Code with it via the PlantUML extension by jebbs. I also make these sorts of diagrams (when I want more freeform charts) with [Graphviz](https://graphviz.org) and use the Graphviz extension by João Pinto for live previews of those.

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