Javaが動いているコンテナの情報を調べるマン

inspect.sh

#!/bin/bash

CONTAINER_ID=$1

echo ==============================
echo find jvm process
echo ==============================
PID=`docker exec -t $CONTAINER_ID jps | grep -v Jps | awk --field-separator=" " '{print $1}'`
echo "PID: $PID"

echo
echo '=============================='
echo 'See https://docs.oracle.com/javase/10/tools/jstat.htm#GUID-5F72A7F9-5D5A-4486-8201-E1D1BA8ACCB5__GUID-EAC4F743-FA0C-4918-927F-D8B31BC08741'
echo ==============================
docker exec -t $CONTAINER_ID jstat -gc $PID


echo
echo ==============================
echo 'See https://docs.docker.com/engine/reference/commandline/stats/'
echo ==============================
docker stats $CONTAINER_ID --no-stream

echo
echo ==============================
echo 'See http://man7.org/linux/man-pages/man1/ps.1.html'
echo ==============================
docker exec -t $CONTAINER_ID ps -axo pid,comm,rss,vsz


echo
echo ==============================
echo 'See https://docs.oracle.com/javase/10/tools/jstat.htm#GUID-5F72A7F9-5D5A-4486-8201-E1D1BA8ACCB5__GUID-705BA29B-1598-4397-B843-F995E6DE49E4'
echo ==============================
docker exec -t $CONTAINER_ID jstat -gcmetacapacity $PID


echo
echo ==============================
echo 'See http://man7.org/linux/man-pages/man1/top.1.html'
echo ==============================
docker exec -t $CONTAINER_ID top -b -n 1