mirror of https://github.com/apache/activemq.git
https://issues.apache.org/jira/browse/AMQ-3881 - handy diag script to gather info about the host machine and broker java process and combine into a compressed log, some users have found it valuable in production
git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1355055 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary Tully
parent
e900fb41db
commit
87b2920927
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@ -68,6 +68,7 @@
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<outputDirectory></outputDirectory>
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<includes>
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<include>bin/activemq</include>
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<include>bin/diag</include>
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<include>bin/activemq-admin</include>
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<include>bin/macosx/activemq</include>
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<include>bin/linux-*/activemq</include>
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@ -0,0 +1,220 @@
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#!/bin/sh
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#
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# diag.sh - a script to run diagnostic commands and save output to a log file
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#
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# Author: Cal Lott <calvin.lott@ihg.com>
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#
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PATH=$PATH:$HOME/bin:/bin/:/usr/bin:/sbin:/usr/sbin
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# Set a script name string for later use.
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SCRIPT_NAME=`basename $0`
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ORIGINAL_COMMAND_LINE="$0 $*"
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LOCALHOST=`uname -n | awk -F. '{print $1}'`
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# Declare some functions.
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# Prints argument to stdout, prepended with "[YYYYMMDD-HH:MM:SS]".
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dateprint() {
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echo "[`date +%Y%m%d-%H:%M:%S`] $*"
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}
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# Runs argument list as a single shell command.
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BAR_SEPARATOR='------------------------------------------------'
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run() {
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echo
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echo $BAR_SEPARATOR
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dateprint "START: $*"
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executable=`echo $* | awk '{print $1}'`
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dateprint "path to executable: `which $executable 2>/dev/null`"
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$*
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last_exit_code=$?
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cumulative_exit_code=`expr $cumulative_exit_code + $last_exit_code`
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dateprint "exit $last_exit_code"
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dateprint "END: $*"
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echo $BAR_SEPARATOR
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echo
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}
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# Print usage information.
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usage() {
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cat << EOF
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$SCRIPT_NAME - run a set of standard diagnostic commands
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Usage: $SCRIPT_NAME [-l logfile] [-jz] [-hv] <pid1> <pid2> ... <pidN>
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This script runs several diagnostic commands on the local system and saves the
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output to a gzipped log file. You may also specify an optional list of pids,
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which will cause additional diagnostic commands (lsoft, jstat, etc.) to be run
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against those specific processes only.
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The default path for the datestamped log file is as follows:
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\$HOME/log/$SCRIPT_NAME.\$LOCALHOST.YYYYMMDD-HHMMSS.log
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You can override the default file name with the -l option. (See below.)
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Options:
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-j Also process any pids listed in output of "jps" command.
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-l <logfile> Use specified log file instead of default.
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-z Do not gzip log file.
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Other Options:
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-h Print this message and exit.
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EOF
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}
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# Print help information.
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help() {
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usage
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}
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# Command line options processing.
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while getopts "hjl:vz" OPTION
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do
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case $OPTION in
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h)
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help
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exit 0
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;;
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j)
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USE_JPS='TRUE'
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;;
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l)
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LOGFILE=$OPTARG
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;;
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z)
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COMPRESSION_OPTION='DISABLED'
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;;
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?)
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usage
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exit 1
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;;
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esac
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done
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shift `expr $OPTIND - 1` # remove processed arguments from $*
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PIDLIST=$* # save list of remaining args as pidlist
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# If requested, use jps to get an additional list of java pids.
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if [ "$USE_JPS" = 'TRUE' ]
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then
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# Save the current list of pids.
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arg_pids=$PIDLIST
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# Use jps to grab additional java pids, filtering the jps pid itself.
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jps_pids=`jps 2>/dev/null | awk '$2 !~ /^Jps/ {print $1}'`
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# Now obtain an unique sorted list of pids from both groups.
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PIDLIST=`echo $arg_pids $jps_pids | sort | uniq`
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fi
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# Use the default logfile if the user did not specify one.
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if [ "$LOGFILE" = '' ]
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then
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LOGFILE="$HOME/log/$SCRIPT_NAME.$LOCALHOST.`date +%Y%m%d-%H%M%S`.log"
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fi
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# Create log directory if it does not already exist
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mkdir `dirname $LOGFILE` >/dev/null 2>&1
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# Print start message to stdout.
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dateprint "BEGIN - running diagnostics for host: `uname -n`"
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# Complain and die if we cannot create the logfile.
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touch $LOGFILE >/dev/null 2>&1
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if [ $? -eq 0 ]
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then
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dateprint "logfile created, running diagnostic commands . . ."
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else
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dateprint "ERROR: cannot create $LOGFILE, exiting!"
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exit 1
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fi
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# Save stdout and stderr descriptors and redirect output to logfile.
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exec 6>&1 # Link file descriptor 6 with stdout (saves stdout)
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exec 7>&2 # Link file descriptor 7 with stderr (saves stderr)
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exec >$LOGFILE 2>&1 # Redirect stdout and stdin to logfile
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##
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## Begin diagnostic output
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##
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dateprint "BEGIN DIAGNOSTIC OUTPUT"
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dateprint "running on host: `uname -n`"
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dateprint "unprocessed command line: \"$ORIGINAL_COMMAND_LINE\""
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dateprint "after options processing: \"$0 $PIDLIST > $LOGFILE\""
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# Each of the following shell commands will be run once.
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for cmd in \
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"crontab -l" \
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"id" \
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"ifconfig -a" \
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"df -kl" \
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"env" \
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"iostat -x" \
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"jps -v" \
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"netstat -anp" \
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"netstat -r" \
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"ps -ef" \
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"sar -A" \
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"ulimit -a" \
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"uname -a" \
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"uptime" \
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"w" \
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; do
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run $cmd
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done
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# As above, but these commands are customized for a specific flavor of Unix.
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OS=`uname -s`
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case $OS in
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Linux)
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for cmd in \
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"swapon -s" \
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"top -b -n1" \
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; do
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run $cmd
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done
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;;
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SunOS)
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for cmd in \
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"swap -s" \
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"top -b -d1" \
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; do
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run $cmd
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done
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;;
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*)
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dateprint "WARNING: OS \"$OS\" unknown - running no OS-specific commands"
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;;
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esac
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# Each of these commands are run once per each pid argument
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for pid in $PIDLIST
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do
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for cmd in \
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"lsof -p $pid" \
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"jstat -gcutil $pid" \
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"jstack -l $pid" \
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; do
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run $cmd
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done
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done
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dateprint "END DIAGNOSTIC OUTPUT"
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dateprint "cumulative exit code: $cumulative_exit_code"
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exec 1>&6 6>&- # Restore stdout and close file descriptor 6.
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exec 2>&7 7>&- # Restore stderr and close file descriptor 7.
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##
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## End diagnostic output
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##
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# Compress the logfile if requested and end script execution
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if [ "$COMPRESSION_OPTION" = 'DISABLED' ]
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then
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dateprint "FINISH - output stored at: $LOGFILE"
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else
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nohup gzip $LOGFILE >/dev/null 2>&1 &
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dateprint "FINISH - output stored at: $LOGFILE.gz"
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fi
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exit $cumulative_exit_code
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