1. MySQL 설치
작업의 대부분은 Ubuntu – 10.04 버전에서 진행하였다.
Ubuntu Linux의 경우 MySQL 은 기본적으로 설치가 되어있으나, 다른 Linux 배포판의 경우, 설치가 안되어 있거나 따로 설치를 해야할 경우가 있다.
이럴 경우, 대부분의 최신의 배포판들은 다음의 명령어를 사용하여 간단하게 설치를 진행할 수 있다.
apt-get 을 이용할 경우
# apt-get install mysql
yum 을 이용할 경우
# yum install mysql
이번 프로젝트에서 사용한 MySQL의 버전은 5.1.41 버전이다.
MySQL 버전 확인하기
# mysql –version
2. MySQL Options
ubuntu 환경에서 apt-get 으로 MySQL을 설치 했을 경우, 기본적으로 설정되는 database directory는 다음과 같다.
/var/lib/mysql
만약 위의 디렉토리에 존재하지 않는다면, /etc/mysql/my.cnf 파일을 통해서 database directory 의 위치를 확인할 수 있다.
아래는 필자의 my.cnf 파일의 내용이다.
#
# The MySQL database server configuration file.
#
# You can copy this to one of:
# – “/etc/mysql/my.cnf” to set global options,
# – “~/.my.cnf” to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with –help to get a list of available options and with
# –print-defaults to see which it would actually understand and use.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain “#” chars…
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock# Here is entries for some specific programs
# The following values assume you have at least 32M ram# This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket = /var/run/mysqld/mysqld.sock
nice = 0[mysqld]
#
# * Basic Settings
##
# * IMPORTANT
# If you make changes to these settings and your system uses apparmor, you may
# also need to also adjust /etc/apparmor.d/usr.sbin.mysqld.
#user = mysql
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /tmp
skip-external-locking
#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address = 127.0.0.1
#
# * Fine Tuning
#
key_buffer = 16M
max_allowed_packet = 16M
thread_stack = 192K
thread_cache_size = 8
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched
myisam-recover = BACKUP
#max_connections = 100
#table_cache = 64
#thread_concurrency = 10
#
# * Query Cache Configuration
#
query_cache_limit = 1M
query_cache_size = 16M
#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# As of 5.1 you can enable the log at runtime!
#general_log_file = /var/log/mysql/mysql.log
#general_log = 1log_error = /var/log/mysql/error.log
# Here you can see queries with especially long duration
#log_slow_queries = /var/log/mysql/mysql-slow.log
#long_query_time = 2
#log-queries-not-using-indexes
#
# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
# other settings you may need to change.
#server-id = 1
#log_bin = /var/log/mysql/mysql-bin.log
expire_logs_days = 10
max_binlog_size = 100M
#binlog_do_db = include_database_name
#binlog_ignore_db = include_database_name
#
# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
#
# * Security Features
#
# Read the manual, too, if you want chroot!
# chroot = /var/lib/mysql/
#
# For generating SSL certificates I recommend the OpenSSL GUI “tinyca”.
#
# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem[mysqldump]
quick
quote-names
max_allowed_packet = 16M[mysql]
#no-auto-rehash # faster start of mysql but no tab completition[isamchk]
key_buffer = 16M#
# * IMPORTANT: Additional settings that can override those from this file!
# The files must end with ‘.cnf’, otherwise they’ll be ignored.
#
!includedir /etc/mysql/conf.d/
각각의 옵션들의 정확한 의미와 사용법을 알고 싶다면 아래의 링크를 참조한다.