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Swap reporting inside containers is unreliable and shouldnt be used. If grubby command is available on your system (e.g. you see a bunch of files in that directory, and possibly some directories CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O The -v and --mount examples below produce the same result. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). The minimum amount of memory required to launch a container and run basic commands (ipconfig, dir, and so on) are listed below. the only one remaining in the group. can belong to multiple network namespaces, those metrics would be harder Connect and share knowledge within a single location that is structured and easy to search. Now that weve covered memory metrics, everything else is The underlying image will not be changed, so the five containers can still refer to the same single base image. From the below we see that, prometheus container utilizes around 18 MB of memory: # docker ps -q | xargs docker stats --no-stream CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS df14dfa0d309 prometheus 0.06% 17.99MiB / 7.744GiB 0.23% 217kB / 431kB 17 . Soft memory limits are set with the --memory-reservation flag. Headless Debian/Xfce container with VNC/noVNC for - Docker Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, https://docs.docker.com/userguide/dockervolumes/, We've added a "Necessary cookies only" option to the cookie consent popup. jiffies. usage in a table format you can use: Copyright 2013-2023 Docker Inc. All rights reserved. These have different effects on the amount of available memory and the behavior when the limit is reached. The virtual machine however (i believe) will have a complete copy of the file system for each of the five instances, because it doesn't use a layered file system. This "diff" (referenced as the writable container in the image below) is stored in memory and disappears when you delete your container.