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> I've had nothing but bad luck with Docker for Mac. It's been super slow. I'm not sure if this affects every Mac user. I have a Docker course that has over 1

by nickjj 7y ago

> I've had nothing but bad luck with Docker for Mac. It's been super slow. I'm not sure if this affects every Mac user. I have a Docker course that has over 15,000+ people who signed up, of which a little less than half use MacOS and of that I've only had a handful of people mention really poor volume performance. I don't have enough data points to know exactly what the cause is. It's definitely a legit problem and it does affect a decent amount of people because I've seen the posts in other places too, but I don't know how wide spread the problem really is. It might be some type of hardware / OS version / tech stack combo (some languages and frameworks require dealing with many more files than others). I happen to use Docker for Windows and it's really really fast too for reference and I never had anyone mention slow volume performance in large apps. Native Linux is as good as it gets as well. I hope one day the folks at Docker figure out why the performance is so bad for some Mac users.

throwaway894345 7y ago
Yeah, it affects everyone working on our project. I'm certain it's volume performance, but we've tried all of the workarounds, docker-sync, and several other suggestions. Also (and respectfully), I wonder if your frequency of incidence is artificially low given that many courses tend to use toy-esque projects (although perhaps yours isn't, somehow?)?
- nickjj 7y ago
  The main app in the course is based off the original cats vs dogs example provided by Docker. It's a combination of a .NET, Node and Flask app all wrapped together in Compose. It's not a huge project, but it does touch a few different web frameworks. Most of the people who take the course go off to Dockerize their own applications using whatever framework they use. Most of the people who have mentioned slowness were working with Laravel apps, but there were also a few using large Node apps too. In all cases they were using a Mac. No one has mentioned slow volume performance issues on Windows that wasn't fixable with tweaking a Windows setting or 2. Most of the time it was Windows defender (or some other anti-virus tool) drastically slowing down I/O.

by nickjj 7y ago

throwaway894345 7y ago

Yeah, it affects everyone working on our project. I'm certain it's volume performance, but we've tried all of the workarounds, docker-sync, and several other suggestions. Also (and respectfully), I wonder if your frequency of incidence is artificially low given that many courses tend to use toy-esque projects (although perhaps yours isn't, somehow?)?

nickjj 7y ago
The main app in the course is based off the original cats vs dogs example provided by Docker. It's a combination of a .NET, Node and Flask app all wrapped together in Compose. It's not a huge project, but it does touch a few different web frameworks. Most of the people who take the course go off to Dockerize their own applications using whatever framework they use. Most of the people who have mentioned slowness were working with Laravel apps, but there were also a few using large Node apps too. In all cases they were using a Mac. No one has mentioned slow volume performance issues on Windows that wasn't fixable with tweaking a Windows setting or 2. Most of the time it was Windows defender (or some other anti-virus tool) drastically slowing down I/O.