日期:2014-05-16  浏览次数:20372 次

Hive用MySQL做元数据保存的数据库时,mySQL设置

来自:http://blog.c114.net/html/71/482871-63880.html

安装MySQL:

# tar -zxvf mysql-5.1.37.tar.gz -C /usr/local

# cd /usr/local/mysql-5.1.37/

# ./configure --prefix=/usr/local/mysql --localstatedir=/usr/local/mysql/data/ --without-debug --with-charset=utf8 --with-extra-charsets=all --enable-assembler --with-pthread --enable-thread-safe-client --with-client-ldflags=-all-static --with-mysqld-ldflags=-all-static --with-big-tables --with-plugins=all

# make && make install

# cp ./support-files/mysql.server /etc/init.d/mysql

# groupadd mysql

# useradd -g mysql mysql

# chmod 777 /etc/init.d/mysql

# /usr/local/mysql/bin/mysql_install_db --user=mysql

或cp -R ./win/data/mysql /usr/local/mysql/data/

# chown -R mysql:mysql /usr/local/mysql/data/

# chmod 777 /usr/local/mysql/data/

# vi /etc/my.cnf

[mysqld]

datadir=/usr/local/mysql/data/

socket=/usr/local/mysql/data/mysql.sock

user=mysql

old_passwords=1

default-character-set=latin1

skip-character-set-client-handshake

wait_timeout=864000

interactive-timeout=864000

max_connections=2000

[mysqld_safe]

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

[client]

socket=/usr/local/mysql/data/mysql.sock

#default-character-set=utf8

# service mysql start

# /usr/local/mysql/bin/mysqladmin -u root -p password 'xxxxxx'

# mysql -uroot -p

mysql> SHOW VARIABLES LIKE '%character%'; ?(除了system为utf8,其他最好为latin1,否则可能出现异常com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes
+--------------------------+----------------------------+
| Variable_name ???????????| Value ?????????????????????|
+--------------------------+----------------------------+
| character_set_client ????| latin1 ????????????????????|
| character_set_connection | latin1 ????????????????????|
| character_set_database ??|
latin1 ????????????????????|
| character_set_filesystem | binary ????????????????????|
| character_set_results ???| latin1 ????????????????????|
| character_set_server ????| latin1 ????????????????????|
| character_set_system ????|
utf8 ??????????????????????|
| character_sets_dir ??????| /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)

mysql> show engines; (最好有InnoDB模式支持)
+------------+---------+----------------------------+--------------+------+------------+
| Engine ????| Support | Comment ???????????????????????????????????????????????????????| Transactions | XA ??| Savepoints |
+------------+---------+----------------------------+--------------+------+------------+
| ndbcluster | NO ?????| Clustered, fault-tolerant tables ??????????????????????????????| NULL ????????| NULL | NULL ??????|
| MRG_MYISAM | YES ????| Collection of identical MyISAM tables ?????????????????????????| NO ??????????| NO ??| NO ????????|
| BLAC