2021-07-02 docker stats

docker stats | Docker Documentation

重い docker の process が動いている場合、どいつが重いかをこれで特定する。

$ docker stats
CONTAINER ID        NAME                                    CPU %               MEM USAGE / LIMIT     MEM %               NET I/O             BLOCK I/O           PIDS
b95a83497c91        awesome_brattain                        0.28%               5.629MiB / 1.952GiB   0.28%               916B / 0B           147kB / 0B          9
67b2525d8ad1        foobar                                  0.00%               1.727MiB / 1.952GiB   0.09%               2.48kB / 0B         4.11MB / 0B         2
e5c383697914        test-1951.1.kay7x1lh1twk9c0oig50sd5tr   0.00%               196KiB / 1.952GiB     0.01%               71.2kB / 0B         770kB / 0B          1
4bda148efbc0        random.1.vnc8on831idyr42slu578u3cr      0.00%               1.672MiB / 1.952GiB   0.08%               110kB / 0B          578kB / 0B          2

CONTAINER ID and Name: the ID and name of the container
CPU % and MEM % the percentage of the host’s CPU and memory the container is using
MEM USAGE / LIMIT: the total memory the container is using, and the total amount of memory it is allowed to use
NET I/O: The amount of data the container has sent and received over its network interface
BLOCK I/O: The amount of data the container has read to and written from block devices on the host
PIDs: the number of processes or threads the container has created