Episode 43

EMx 043: Using GenServers and Tasks Together to Create Fault-Tolerant Apps with Jack Marchant


March 19th, 2019

53 mins 54 secs

Your Hosts
Special Guest

About this Episode


  • Sentry use the code “devchat” for 2 months free on Sentry small plan
  • Triplebyte offers a $1000 signing bonus
  • .TECH - Go.tech/Elixir and use the coupon code “ELIXIR.TECH” and get a 1 year .TECH Domain at $9.99 and 5 Year Domain at $49.99. Hurry!
  • CacheFly


  • Mark Ericksen
  • Josh Adams

Joined by Special Guest: Jack Marchant


Mark Ericksen and Josh Adams ask Jack Marchant, a software engineer from Australia, about a few of his blog articles. Jack Marchant compares supervision trees to react component trees using his background in both the frontend and the backend. The panel exchanges views on what these observations might look like and how they can help elixir developers. Mark Ericksen turns the discussion to Jack Marchant's articles on genservers, and the lessons he learned in working with genservers. Jack Marchant explains that there are so many different uses for a genserver. The panel considers when it is useful to use a genserver and when it is better not to. Jack Marchant shares a way to better manage work using a task and genservers for asynchronous work.

 The panel reviews a few things that they appreciate about elixir and how productive it makes developers. Jack Marchant shares his experience working in an elixir based company, in hiring, training, and productivity. The panel discusses the experience of switching to elixir and asks Jack Marchant about his experience coming from PHP. Jack Marchant shares and discusses with the panel some highlights from the lonestar elixir conference and updates the panel on phoenix live view.



Josh Adams

Mark Ericksen

Jack Marchant