“Statystyki dokera” Kod odpowiedzi

Statystyki dokera

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
Sean Patnode

Jak uzyskać statystyki dokera za pomocą skryptu powłoki

#!/bin/bash

# This script is used to complete the output of the docker stats command.
# The docker stats command does not compute the total amount of resources (RAM or CPU)

# Get the total amount of RAM, assumes there are at least 1024*1024 KiB, therefore > 1 GiB
HOST_MEM_TOTAL=$(grep MemTotal /proc/meminfo | awk '{print $2/1024/1024}')

# Get the output of the docker stat command. Will be displayed at the end
# Without modifying the special variable IFS the ouput of the docker stats command won't have
# the new lines thus resulting in a failure when using awk to process each line
IFS=;
DOCKER_STATS_CMD=`docker stats --no-stream --format "table {{.MemPerc}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.Name}}"`

SUM_RAM=`echo $DOCKER_STATS_CMD | tail -n +2 | sed "s/%//g" | awk '{s+=$1} END {print s}'`
SUM_CPU=`echo $DOCKER_STATS_CMD | tail -n +2 | sed "s/%//g" | awk '{s+=$2} END {print s}'`
SUM_RAM_QUANTITY=`LC_NUMERIC=C printf %.2f $(echo "$SUM_RAM*$HOST_MEM_TOTAL*0.01" | bc)`

# Output the result
echo $DOCKER_STATS_CMD
echo -e "${SUM_RAM}%\t\t\t${SUM_CPU}%\t\t${SUM_RAM_QUANTITY}GiB / ${HOST_MEM_TOTAL}GiB\tTOTAL"
Lucky LyreDragonbird

Statystyki dokera

docker stats <container_id>
Condemned Coyote

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