Sha256: c528a664d42bffd59abf4d4ec639bf990b57b4304e5b9c19addd64680f5e94d2
Contents?: true
Size: 1.88 KB
Versions: 5
Compression:
Stored size: 1.88 KB
Contents
#!/usr/bin/env bash
#
# Collect metrics on your JVM and allow you to trace usage in graphite
# Modified: Mario Harvey - badmadrad.com
# You must have openjdk-7-jdk and openjdk-7-jre packages installed
# http://openjdk.java.net/install/
# Also make sure the user "sensu" can sudo without password
# #RED
while getopts 's:n:h' OPT; do
case $OPT in
s) SCHEME=$OPTARG;;
n) NAME=$OPTARG;;
h) hlp="yes";;
esac
done
#usage
HELP="
usage $0 [ -n value -s value -h ]
-n --> NAME or name of jvm process < value
-s --> SCHEME or server name ex. :::name::: < value
-h --> print this help screen
"
if [ "$hlp" = "yes" ]; then
echo "$HELP"
exit 0
fi
SCHEME=${SCHEME:=0}
NAME=${NAME:=0}
#Get PID of JVM.
#At this point grep for the name of the java process running your jvm.
PID=$(sudo jps | grep $NAME | awk '{ print $1}')
#Get heap capacity of JVM
TotalHeap=$(sudo jstat -gccapacity $PID | tail -n 1 | awk '{ print ($4 + $5 + $6 + $10) / 1024 }')
#Determine amount of used heap JVM is using
UsedHeap=$(sudo jstat -gc $PID | tail -n 1 | awk '{ print ($3 + $4 + $6 + $8 + $10) / 1024 }')
#Determine Old Space Utilization
OldGen=$(sudo jstat -gc $PID | tail -n 1 | awk '{ print ($8) / 1024 }')
#Determine Permanent Space Utilization
PermGen=$(sudo jstat -gc $PID | tail -n 1 | awk '{ print ($10) / 1024 }')
#Determine Eden Space Utilization
ParEden=$(sudo jstat -gc $PID | tail -n 1 | awk '{ print ($6) / 1024 }')
#Determine Survivor Space utilization
ParSurv=$(sudo jstat -gc $PID | tail -n 1 | awk '{ print ($3 + $4) / 1024 }')
echo "JVMs.$SCHEME.Committed_Heap $TotalHeap `date '+%s'`"
echo "JVMs.$SCHEME.Used_Heap $UsedHeap `date '+%s'`"
echo "JVMs.$SCHEME.Eden_Util $ParEden `date '+%s'`"
echo "JVMs.$SCHEME.Survivor_Util $ParSurv `date '+%s'`"
echo "JVMs.$SCHEME.Old_Util $OldGen `date '+%s'`"
echo "JVMs.$SCHEME.Perm_Util $PermGen `date '+%s'`"
Version data entries
5 entries across 5 versions & 1 rubygems