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#!/bin/bash
# Script to print internal dfc stats every 5 sec to screen and file
# Default port is 8100 for DFC
# Useage: ./dfc-internal-stats.sh all|internal|jvm [<dfc-port-number>]
print_usage() {
echo "Useage: ./dfc-internal-stats.sh all|internal|jvm [<dfc-port-number>]"
}
stat=""
if [ $# -eq 0 ]; then
dfcport=8100
stat="all"
elif [ $# -eq 1 ]; then
dfcport=8100
stat=$1
elif [ $# -eq 2 ]; then
dfcport=$2
stat=$1
else
print_usage
exit 1
fi
heading=1
if [ $stat == "all" ]; then
echo "Printing stats for both JVM and DFC using port "$dfcport
elif [ $stat == "internal" ]; then
echo "Printing stats for DFC using port "$dfcport
elif [ $stat == "jvm" ]; then
echo "Printing stats for JVM using port "$dfcport
else
print_usage
exit 1
fi
fileoutput=".tmp_stats.txt"
echo "Stats piped to file: "$fileoutput
rm $fileoutput
floatToInt() {
printf "%.0f\n" "$@"
}
do_curl_actuator() {
val=$(curl -s localhost:${dfcport}/actuator/metrics/${1} | grep -o -E "\"value\":[0-9.E]+" | awk -F\: '{print $2}')
val=$(floatToInt $val)
printf "%-20s %+15s\n" $1 $val
if [ $heading -eq 1 ]; then
echo -n "," $1 >> $fileoutput
else
echo -n "," $val >> $fileoutput
fi
}
do_curl_status() {
curl -s localhost:${dfcport}/status > ./.tmp_curl_res
cat ./.tmp_curl_res
while read line; do
len=${#line}
if [ $len -gt 0 ]; then
val=${line#*:}
id=${line%"$val"}
if [ $heading -eq 1 ]; then
echo -n "," $id >> $fileoutput
else
echo -n "," $val >> $fileoutput
fi
fi
done < ./.tmp_curl_res
}
OK=0 # Flag for DFC response (0==no response, 1==reponse ok and logging can start)
while [ true ]; do
if [ $OK -eq 0 ]; then
test=$(curl -s localhost:${dfcport}/status)
if [ -z "$test" ] && [ $heading -eq 1 ]; then
echo "No response from dfc on port: ${dfcport}. Retrying..."
else
echo "Response from dfc on port: ${dfcport}. Starts logging."
OK=1
fi
fi
if [ $OK -eq 1 ]; then
if [ $heading -eq 1 ]; then
echo -n "date" >> $fileoutput
else
ds=$(date)
echo -n $ds >> $fileoutput
fi
if [ $stat == "all" ] || [ $stat == "jvm" ]; then
echo "========= DFC JVM Stats ========="
do_curl_actuator jvm.threads.live
do_curl_actuator jvm.threads.peak
do_curl_actuator process.files.open
do_curl_actuator process.files.max
do_curl_actuator jvm.memory.used
do_curl_actuator jvm.memory.max
fi
if [ $stat == "all" ] || [ $stat == "internal" ]; then
echo "========= DFC internal Stats ========="
do_curl_status
fi
echo "" >> $fileoutput
heading=0
fi
sleep 5
done
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