mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
151 lines
4.4 KiB
Bash
151 lines
4.4 KiB
Bash
#!/bin/sh
|
|
# Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
|
|
# This file is public domain and comes with NO WARRANTY of any kind
|
|
#
|
|
# scripts to start the MySQL demon and restart it if it dies unexpectedly
|
|
#
|
|
# This should be executed in the MySQL base directory if you are using a
|
|
# binary installation that has other paths than you are using.
|
|
#
|
|
# mysql.server works by first doing a cd to the base directory and from there
|
|
# executing mysqld_safe
|
|
|
|
# Check if we are starting this relative (for the binary release)
|
|
if test -f ./data/mysql/db.frm -a -f ./share/mysql/english/errmsg.sys -a \
|
|
-x ./bin/mysqld
|
|
then
|
|
MY_BASEDIR_VERSION=`pwd` # Where bin, share and data is
|
|
DATADIR=$MY_BASEDIR_VERSION/data # Where the databases are
|
|
ledir=$MY_BASEDIR_VERSION/bin # Where mysqld are
|
|
# Check if this is a 'moved install directory'
|
|
elif test -f ./var/mysql/db.frm -a -f ./share/mysql/english/errmsg.sys -a \
|
|
-x ./libexec/mysqld
|
|
then
|
|
MY_BASEDIR_VERSION=`pwd` # Where libexec, share and var is
|
|
DATADIR=$MY_BASEDIR_VERSION/var # Where the databases are
|
|
ledir=$MY_BASEDIR_VERSION/libexec # Where mysqld are
|
|
else
|
|
MY_BASEDIR_VERSION=/usr/local/mysql
|
|
DATADIR=/usr/local/mysql/var
|
|
ledir=/usr/local/mysql/libexec
|
|
fi
|
|
|
|
hostname=`@HOSTNAME@`
|
|
pidfile=$DATADIR/$hostname.pid
|
|
log=$DATADIR/$hostname.log
|
|
err=$DATADIR/$hostname.err
|
|
lockfile=$DATADIR/$hostname.lock
|
|
|
|
#
|
|
# If there exists an old pid file, check if the demon is already running
|
|
# Note: The switches to 'ps' may depend on your operating system
|
|
|
|
if test -f $pidfile
|
|
then
|
|
PID=`cat $pidfile`
|
|
if /bin/kill -0 $PID
|
|
then
|
|
if /bin/ps -p $PID | grep mysqld > /dev/null
|
|
then # The pid contains a mysqld process
|
|
echo "A mysqld process already exists"
|
|
echo "A mysqld process already exists at " `date` >> $log
|
|
exit 1;
|
|
fi
|
|
fi
|
|
rm -f $pidfile
|
|
if test -f $pidfile
|
|
then
|
|
echo "Fatal error: Can't remove the pid file: $pidfile"
|
|
echo "Fatal error: Can't remove the pid file: $pidfile at " `date` >> $log
|
|
echo "Please remove it manually and start $0 again"
|
|
echo "mysqld demon not started"
|
|
exit 1;
|
|
fi
|
|
fi
|
|
|
|
echo "Starting mysqld demon with databases from $DATADIR"
|
|
|
|
#Default communication ports
|
|
#MYSQL_TCP_PORT=3306
|
|
if test -z "$MYSQL_UNIX_PORT"
|
|
then
|
|
MYSQL_UNIX_PORT="/tmp/mysql.sock"
|
|
export MYSQL_UNIX_PORT
|
|
fi
|
|
#export MYSQL_TCP_PORT
|
|
|
|
# Does this work on all systems?
|
|
#if type ulimit | grep "shell builtin" > /dev/null
|
|
#then
|
|
# ulimit -n 256 > /dev/null 2>&1 # Fix for BSD and FreeBSD systems
|
|
#fi
|
|
|
|
echo "mysqld started on " `date` >> $log
|
|
bin/zap -f $lockfile < /dev/null > /dev/null 2>&1
|
|
rm -f $lockfile
|
|
$MY_BASEDIR_VERSION/bin/watchdog_mysqld $lockfile $pidfile $MY_BASEDIR_VERSION/bin $DATADIR 3 10 >> $err 2>&1 &
|
|
restart_pid=$!
|
|
|
|
while true
|
|
do
|
|
rm -f $MYSQL_UNIX_PORT $pidfile # Some extra safety
|
|
lockfile -1 -r10 $lockfile >/dev/null 2>&1
|
|
if test "$#" -eq 0
|
|
then
|
|
nohup $ledir/mysqld --basedir=$MY_BASEDIR_VERSION --datadir=$DATADIR \
|
|
--skip-locking >> $err 2>&1 &
|
|
else
|
|
nohup $ledir/mysqld --basedir=$MY_BASEDIR_VERSION --datadir=$DATADIR \
|
|
--skip-locking "$@" >> $err 2>&1 &
|
|
fi
|
|
pid=$!
|
|
rm -f $lockfile
|
|
wait $pid;
|
|
|
|
lockfile -1 -r10 $lockfile >/dev/null 2>&1
|
|
rm -f $lockfile
|
|
if test ! -f $pidfile # This is removed if normal shutdown
|
|
then
|
|
break;
|
|
fi
|
|
if true
|
|
then
|
|
# Test if one proces was hanging.
|
|
# This is only a fix for Linux (running as base 3 mysqld processes)
|
|
# but should work for the rest of the servers.
|
|
# The only thing is ps x => redhat 5 gives warnings when using ps -x.
|
|
# kill -9 is used or the proces won't react on the kill.
|
|
numofproces=`ps x | grep -v "grep" | grep -c $ledir/mysqld`
|
|
echo -e "\nNumber of processes running now: $numofproces" | tee -a $log
|
|
I=1
|
|
while test "$I" -le "$numofproces"
|
|
do
|
|
PROC=`ps x | grep $ledir/mysqld | grep -v "grep" | tail -1`
|
|
for T in $PROC
|
|
do
|
|
break
|
|
done
|
|
# echo "TEST $I - $T **"
|
|
if kill -9 $T
|
|
then
|
|
echo "mysqld proces hanging, pid $T - killed" | tee -a $log
|
|
else
|
|
break
|
|
fi
|
|
I=`expr $I + 1`
|
|
done
|
|
fi
|
|
echo "mysqld restarted" | tee -a $log
|
|
# Check all tables and repair any wrong tables.
|
|
$MY_BASEDIR_VERSION/bin/isamchk -sf $DATADIR/*/*.ISM >> $err 2>&1
|
|
done
|
|
if test $restart_pid -gt 0
|
|
then
|
|
kill $restart_pid > /dev/null 2>&1
|
|
sleep 1;
|
|
kill -9 $restart_pid > /dev/null 2>&1
|
|
fi
|
|
|
|
echo -n "mysqld ended on " `date` >> $log
|
|
echo "mysqld demon ended"
|