312: Spooky Stories The Bike Shed

Chris evaluates the pros and cons between using Sidekiq or Active Job with Sidekiq. He sees exceptions everywhere.


Steph talks about an SSL error that she encountered recently. It's officially spooky season, y'all!



sidekiq-symbols


Transcript:


CHRIS: Additional radiation just makes Spider-Man more powerful.


STEPH: [laughs] Hello and welcome to another episode of The Bike Shed, a weekly podcast from your friends at thoughtbot about developing great software. I'm Steph Viccari.


CHRIS: And I'm Chris Toomey.


STEPH: And together, we're here to share a bit of what we've learned along the way. Hey, Chris, what's new in your world?


CHRIS: Fall is in the air. It's one of those, like, came out of nowhere. I knew it was coming. I knew it was going to happen. But now it's time for pumpkin beer and pumpkin spice lattes, and exclusively watching the movie Hocus Pocus for the next month or so or some variation of those themes. But unrelated to that, I did a thing that I do once, let's call it every year or so, where I had to make the evaluation between Sidekiq or Active Job with Sidekiq, as the actual implementation as the background job engine that is running. And I just keep running through this same cycle.


To highlight it, Active Job is the background job system within Rails. It is a nice abstraction that allows you to connect to any of a number of them, so I think Delayed Job is one. Sidekiq is one. Resque is probably another. I'm sure there's a bunch of others. But historically, I've almost always used Sidekiq. Every project I've worked on has used Sidekiq. But the question is do you use Active Job with the adapter set to Sidekiq and then you're sort of living in both worlds, or do you lean in entirely and you use Sidekiq? And so that would mean that your jobs are defined to include Sidekiq::Worker because that's the actual thing that provides the magic as opposed to inheriting from Application Job. And then do you accept all of the trade-offs therein? And every time I go back and forth. And I'm like, well, but I want this feature, but I don't want that feature. But I want these things. So I've made a decision, but I want to talk ever so briefly through the decision points that were part of it. Have you done this back and forth? Are you familiar with the annoying choice that exists here?


STEPH: It's been a while since I've had the opportunity to make that choice. I'm usually joining projects where that decision has already been made. So I can't think of a recent time that I've thought through it. And my current project is using that combination of where we are using Active Job and Sidekiq.


CHRIS: So I think there's even a middle ground there where that was the configuration that I'd set up on the project that I'm working on. But you can exist in both worlds. And you can selectively opt for certain background jobs to be fully Sidekiq. And if you do that, then instead of saying, "Perform_later," You say, "Perform_async." And there are a couple of other configurations. It gives you access to the full Sidekiq API. And you can do things like hey, Sidekiq, here's the maximum number of retries or a handful of other things. But then you have to trade away a bunch of the niceties that Active Job gives.


So as an example, one thing that Active Job provides that's really nice is the use of GlobalID. So GlobalID is a feature that they added to Rails a while back. And it's a way to uniquely identify a given record within your system such that when you say perform_later, you can say, InvitationMailer.perform_later and then pass it a user record so like an instance of a user model. And what will happen in the background is that gets serialized, but instead of serializing the whole user object because we don't actually want that, it will do the GlobalID magic. And so it'll turn into, I think it's GID:// so almost like a URL. But then it'll be, I think, your application name/model name down the road. And the Perform method