Docker For Mac Memory Usage11/27/2020
Even rails applications process changes and serve requests in 100ms or less in development.Press question mark to learn the rest of the keyboard shortcuts Log in sign up User account menu 20 Docker for MacWindows performances vs Linux.
Ive just read a benchmark article comparing Docker for windows performances to those of a Docker on a Bare Metal Linux and it seems that Docker is also significantly slower on Windows than Linux. Docker Memory Usage Upgrade Your ComputerSo Ive been wondering, did you encountered these performance issues too and how did you cope with them Did you upgrade your computer or just switched to Linux 28 comments share save hide report 96 Upvoted This thread is archived New comments cannot be posted and votes cannot be cast Sort by best level 1 9 points 2 years ago docker on non linux os are not meant for production use. Except those silly docker for Windows Server 2016 which is still hot garbage. Correct me if Im wrong but this seems to be your issue; youll just have to live with it. PS: not sure if you can reassign CPU and RAM to docker VM to make it faster level 2 5 points 2 years ago Most of VM overhead is at IO (disk and network). CPU and memory overhead is only about 5 less than bare-metal. Disk and network overhead in VM could make it anywhere from 20-80 that of bare metal. Virtual machines are supposed to have near native performance. However, if the host machine does not have enough memory to serve the memory requirements of the VM as well as that of the underlying OS (Mac or Windows), then theres going to be performance penalties because of things like swap thrashing and memory balooning. There could be a further slowdown if your host has a slow spinning disk instead of an SSD. So: Assigning more memory to the Linux VM will help only if there is enough memory in the host. Continue this thread level 2 1 point 2 years ago Windows containers are a thing. Continue this thread level 1 5 points 2 years ago There are severe IO (disk and especially Network) performance issues for Docker on Mac compared to Docker on Linux. My laptop sounds like tractor on Windows level 2 2 points 2 years ago I got you. This will speed up access of the app to the cache folder Try different volume caching strategies (default is to always synchronize, which is slow. Docker Memory Usage Code Between HostYou might not need that strict guarantees): Sync code between host and container using instead of shared volumes You can speed up file sharing by using NFS instead of the native MacOS, like in Never used the latter two myself, although I heard they work well enough for a dev environment. The first two were enough for the MacOS user on my dev team to make the experience less painful. For example, I moved from running Docker on Linux to Docker for Windows on my dev box and while I did notice a slow down in volume mount performance, it didnt get unusably slow but theres room for improvement. Windows Subsystem for Linux routes its own Docker client to that Docker for Windows daemon. All of my source code is mounted from an external HD (not SSD) into WSL. That WSL mounted source code is also mounted back into Docker for Windows. With all of that going on, web applications with hundreds files reload faster than I can move my mouse to click refresh in a browser.
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