Files
newznab-tmux/scripts/create_ramdisk_for_sql.sh
T
jonnyboy 0c9ea4fe43 added option to use second nntp provider, added script to reset/truncate when changeing providers
it is not necessary to run reset_truncate.php in order to second nntp provider for postprocessing only
2013-04-04 01:23:02 -04:00

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3.6 KiB
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Executable File

#!/usr/bin/env bash
SOURCE="${BASH_SOURCE[0]}"
DIR="$( dirname "$SOURCE" )"
while [ -h "$SOURCE" ]
do
SOURCE="$(readlink "$SOURCE")"
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
# Make sure only root can run our script
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
exit 1
fi
source $DIR/../defaults.sh
#edit this to allow script to run, be sure of the paths
#the ramdisk needs to be twice the size of the parts table max size, it needs room to copy itself during optimise
#i take no responsibility if this fails and you lose you db
#remove the next 2 lines when you have edited this file properlly
echo "Please edit this script, very carefully!"
exit
export USER="your username"
export PATH_RAMDISK="/var/ramdisk"
export MYSQL_PATH="/var/lib/mysql/newznab"
export SQL_BACKUP="/home/$USER/sql_backup"
#get userid for mysql
USERID=`id -u mysql`
GROUPID=`id -g mysql`
/etc/init.d/mysql stop
if ! grep -q '#RAMDISK' "/etc/fstab" ; then
echo "" | sudo tee -a /etc/fstab
echo "#RAMDISK" | sudo tee -a /etc/fstab
echo "tmpfs $PATH_RAMDISK tmpfs rw,uid=$USERID,gid=$GROUPID,nodiratime,size=5G,nr_inodes=10k,mode=0700 0 0" | sudo tee -a /etc/fstab
fi
mkdir -p $PATH_RAMDISK
#determine if ramdisk is in fstab
if [[ ! `mount | grep "$PATH_RAMDISK"` ]]; then
mount "$PATH_RAMDISK"
fi
if [ ! -d "$SQL_BACKUP" ]; then
mkdir $SQL_BACKUP
fi
if [ ! -h "$MYSQL_PATH/parts.frm" ] && [ -f $MYSQL_PATH/parts.frm ]; then
cp $MYSQL_PATH/parts.frm $SQL_BACKUP/
mv $MYSQL_PATH/parts.frm $PATH_RAMDISK/
ln -s $PATH_RAMDISK/parts.frm $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/parts.MYD" ] && [ -f $MYSQL_PATH/parts.MYD ]; then
cp $MYSQL_PATH/parts.MYD $SQL_BACKUP/
mv $MYSQL_PATH/parts.MYD $PATH_RAMDISK/
ln -s $PATH_RAMDISK/parts.MYD $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/parts.MYI" ] && [ -f $MYSQL_PATH/parts.MYI ]; then
cp $MYSQL_PATH/parts.MYI $SQL_BACKUP/
mv $MYSQL_PATH/parts.MYI $PATH_RAMDISK/
ln -s $PATH_RAMDISK/parts.MYI $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/partrepair.frm" ] && [ -f $MYSQL_PATH/partrepair.frm ]; then
cp $MYSQL_PATH/partrepair.frm $SQL_BACKUP/
mv $MYSQL_PATH/partrepair.frm $PATH_RAMDISK/
ln -s $PATH_RAMDISK/partrepair.frm $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/partrepair.MYD" ] && [ -f $MYSQL_PATH/partrepair.MYD ]; then
cp $MYSQL_PATH/partrepair.MYD $SQL_BACKUP/
mv $MYSQL_PATH/partrepair.MYD $PATH_RAMDISK/
ln -s $PATH_RAMDISK/partrepair.MYD $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/partrepair.MYI" ] && [ -f $MYSQL_PATH/partrepair.MYI ]; then
cp $MYSQL_PATH/partrepair.MYI $SQL_BACKUP/
mv $MYSQL_PATH/partrepair.MYI $PATH_RAMDISK/
ln -s $PATH_RAMDISK/partrepair.MYI $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/binaries.frm" ] && [ -f $MYSQL_PATH/binaries.frm ]; then
cp $MYSQL_PATH/binaries.frm $SQL_BACKUP/
mv $MYSQL_PATH/binaries.frm $PATH_RAMDISK/
ln -s $PATH_RAMDISK/binaries.frm $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/binaries.MYD" ] && [ -f $MYSQL_PATH/binaries.MYD ]; then
cp $MYSQL_PATH/binaries.MYD $SQL_BACKUP/
mv $MYSQL_PATH/binaries.MYD $PATH_RAMDISK/
ln -s $PATH_RAMDISK/binaries.MYD $MYSQL_PATH/
fi
if [ ! -h "$MYSQL_PATH/binaries.MYI" ] && [ -f $MYSQL_PATH/binaries.MYI ]; then
cp $MYSQL_PATH/binaries.MYI $SQL_BACKUP/
mv $MYSQL_PATH/binaries.MYI $PATH_RAMDISK/
ln -s $PATH_RAMDISK/binaries.MYI $MYSQL_PATH/
fi
chown -R $USER:$USER $SQL_BACKUP/
chown -R mysql:mysql $PATH_RAMDISK
chown -R mysql:mysql $MYSQL_PATH
/etc/init.d/mysql start
exit