thread_dump

gistfile1.txt

#!/bin/bash
# manually create a heap dump file for tomcat using jmap

. /etc/profile.d/common_shell_functions

get_tomcat_pid() {
  PID=$(service tomcat status | awk {'print $3'} | sed 's/)//g')
  [[ -z $PID ]] && die "Unable to determine tocat pid; does not appear to be running"
}

# main
get_tomcat_pid
TOMCAT_DIR=<%= scope.function_hiera(["app_basedir"]) %>/tomcat
HEAPDUMP_FILE="manual_pid${PID}_$(date +%Y%m%d%H%M%S).hprof"
RUNAS='sudo -u rsmart'

cd $TOMCAT_DIR || die "Unable to go to $TOMCAT_DIR"

$RUNAS jmap -dump:format=b,file=${HEAPDUMP_FILE} $PID
[[ $? -ne 0 ]] && die "Unable to create heap dump file $HEAPDUMP_FILE"

$RUNAS chmod 644 $HEAPDUMP_FILE
[[ $? -ne 0 ]] && die "Unable to chmod ${HEAPDUMP_FILE}"

echo "Compressing the following heap dump file:"
ls -lGh $HEAPDUMP_FILE
$RUNAS pbzip2 -l $HEAPDUMP_FILE
[[ $? -ne 0 ]] && die "Unable to pbzip -l ${HEAPDUMP_FILE}"

echo "Created heap dump file ${TOMCAT_DIR}/${HEAPDUMP_FILE}.bz2 for tomcat PID $PID"