Change to use lbzip2 compressor.

Author: slomkowski

README.md

@@ -38,7 +38,7 @@ Scripts dumps first 512 bytes for each drive defined in `PREMOUNT_MBR_PHYSICAL_D
 * Install required packages:
 
 ```bash
-aptitude install sshfs attic rsync
+aptitude install sshfs attic rsync lbzip2
 ```
 
 * Checkout the repository, preferable to *root*'s home directory:

premount.d/10mysql.sh

@@ -5,31 +5,37 @@ DBS=`mysql -e "show databases"`
 MYSQL_OPTIONS="--skip-dump-date --routines --flush-privileges --add-drop-database "
 MYSQL_OPTIONS+=" --ignore-table=mysql.event --single-transaction --extended-insert"
 
-[[ $VERBOSE -ne 0 ]] && MYSQL_OPTIONS+=" --verbose"
+[[ ${VERBOSE} -ne 0 ]] && MYSQL_OPTIONS+=" --verbose"
 
-$ECHO mkdir -p ${PREMOUNT_MYSQL_OUTPUT_DIR}
+${ECHO} mkdir -p ${PREMOUNT_MYSQL_OUTPUT_DIR}
 cd ${PREMOUNT_MYSQL_OUTPUT_DIR}
 
 DATE="$(full_date)"
-$ECHO mkdir -p $DATE
+${ECHO} mkdir -p ${DATE}
 
-for DATABASE in $DBS
+if which lbzip2 > /dev/null; then
+    COMPRESS_COMMAND="nice -n 18 lbzip2"
+else
+    COMPRESS_COMMAND="nice -n 18 bzip2"
+fi
+
+for DATABASE in ${DBS}
 do
-    if [[ $DATABASE != "Database" ]]
+    if [[ ${DATABASE} != "Database" ]]
     then
-        [[ $VERBOSE -ne 0 ]] && echo "* dumping $DATABASE database"
+        [[ ${VERBOSE} -ne 0 ]] && echo "* dumping $DATABASE database"
         BASE="${DATE}/${DATE}-db-${DATABASE}.sql"
-        $ECHO mysqldump $MYSQL_OPTIONS --databases $DATABASE --result-file=${BASE}
+        ${ECHO} mysqldump ${MYSQL_OPTIONS} --databases ${DATABASE} --result-file=${BASE}
 
-        $ECHO bzip2 -f9 ${BASE}
-        $ECHO chmod 0400 ${BASE}.bz2
+        ${ECHO} ${COMPRESS_COMMAND} -f9 ${BASE}
+        ${ECHO} chmod 0400 ${BASE}.bz2
     fi
 done
 
 for i in `find . -type d -mtime +${PREMOUNT_MYSQL_DELETE_FILES_OLDER_THAN} | sort`
 do
-    $ECHO rm -r $i
-    [[ $VERBOSE -ne 0 ]] && echo "* removed $i"
+    ${ECHO} rm -r $i
+    [[ ${VERBOSE} -ne 0 ]] && echo "* removed $i"
 done
 
 exit 0

premount.d/20postgresql.sh

@@ -14,6 +14,12 @@ DATE="$(full_date)"
 ${ECHO} mkdir -p ${DATE}
 ${ECHO} chown -R postgres .
 
+if which lbzip2 > /dev/null; then
+    COMPRESS_COMMAND="nice -n 18 lbzip2"
+else
+    COMPRESS_COMMAND="nice -n 18 bzip2"
+fi
+
 # dump globals
 ${INVOCATION} pg_dumpall ${PG_OPTIONS} --globals-only -f ${DATE}/${DATE}-globals.sql
 
@@ -22,7 +28,7 @@ do
     [[ ${VERBOSE} -ne 0 ]] && echo "* dumping $d database"
     fileName="${DATE}/${DATE}-db-$d.sql"
     ${INVOCATION} pg_dump ${PG_OPTIONS} -f ${fileName} ${d}
-    ${ECHO} bzip2 -f9 ${fileName}
+    ${ECHO} ${COMPRESS_COMMAND} -f9 ${fileName}
     ${ECHO} chmod 0400 ${fileName}.bz2
 done