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I am using Docker to run some containerized apps. I am interested in measuring how much resources they consume (as far as regarding CPU and Memory usage).
Is there any way to measure the resources consumed by Docker containers like RAM & CPU usage?
Thank you.
497
The maximum amount of memory the container can use. If you set this option, the minimum allowed value is 6m (6 megabytes). That is, you must set the value to at least 6 megabytes.
By default, Docker containers have access to the full RAM and CPU resources of the host. Leaving them to run with these default settings may lead to performance bottlenecks. If you don't limit Docker's memory and CPU usage, Docker can use all the systems resources.
Hyper-V backend and Windows containersđź”— Hyper-V and Containers Windows features must be enabled. The following hardware prerequisites are required to successfully run Client Hyper-V on Windows 10: 64 bit processor with Second Level Address Translation (SLAT) 4GB system RAM.
The --memory parameter limits the container memory usage, and Docker will kill the container if the container tries to use more than the limited memory.
You can get this from docker stats e.g:
$ docker stats --no-stream CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 6b5c0fcfa7d4 0.13% 2.203 MiB / 4 MiB 55.08% 5.223 kB / 648 B 102.4 kB / 876.5 kB 3 If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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