Home Database Mysql Tutorial Linux平台使用二进制包将MySQL 5.1安装到个人目录简易指南

Linux平台使用二进制包将MySQL 5.1安装到个人目录简易指南

Jun 07, 2016 pm 05:07 PM

Linux平台使用二进制包将MySQL 5.1安装到个人目录简易指南

1. 解压二进制包到个人目录,例如/home/liyh/local/mysql;

2. 拷贝一份系统目录的my.cnf配置(或者后面的配置样例也可以),按照如下方式修改:
2.1 将其中所有目录相关的配置全部改为个人目录,且要用绝对路径,不能用$HOME.  例如data, log(注意二进制包解压后缺省并没有log、tmp目录,需要自己手工创建),为了提高性能,建议数据目录和日志目录分开到不同的盘不同的目录,例如:
      datadir = /home1/liyh/mysql/data/
      log-error = /home/liyh/local/mysql/log/mysqld.err
      log-bin=/home/liyh/local/mysql/log/mysql-bin
      innodb_data_home_dir = /home1/liyh/mysql/data

2.2 修改[mysqld]下的port为你自己的端口;
2.3 修改[mysqld]下的user为你的用户名;

3. 将mysql的目录权限修改为你的用户,例如:
    chgrp -R liyh mysql;
    chown -R liyh mysql;
    chmod 775 mysql;

4.  到mysql目录下的scripts目录,执行如下语句:
   ./mysql_install_db --defaults-file=/home/liyh/local/mysql/my.cnf --user=liyh --basedir=/home/liyh/local/mysql
5. 执行如下语句启动:
   /home/liyh/local/mysql/bin/mysqld_safe --defaults-file=/home/liyh/local/mysql/my.cnf --basedir=/home/liyh/local/mysql &


【特别注意】为了提高InnoDB引擎的性能,记得一定要按照如下方式修改两个参数,否则你的MySQL insert和update慢得如蜗牛,但高性能同时也是有损失的,这样配置会降低MySQL的可靠性,某些场景下可能丢失数据,实际应用需要你自己评估是否要这样配置:
sync_binlog=0    1代表每次执行一条insert/update/delete都同步一下磁盘,0代表由操作系统决定何时同步磁盘,大于0代表达到多少条后再同步磁盘,如果可靠性要求较低,建议设置为0或者100以上
innodb_flush_log_at_trx_commit = 2   默认为1,意思是每次事务提交时都同步日志到磁盘,0代表每秒同步一次,事务提交时不同步,2代表只将事务日志写入缓存,每秒由系统同步磁盘;

==================配置样例如下====================================
[client]
port            = 19816
socket          = /home/liyh/local/mysql/tmp/mysql.sock
default-character-set = utf8

[mysqld]
character-set-server = utf8
port            = 19816
socket          = /home/liyh/local/mysql/tmp/mysql.sock
user    = liyh
skip-external-locking
datadir = /home1/liyh/mysql/data/
log-error = /home/liyh/local/mysql/log/mysqld.err
pid-file = /home/liyh/local/mysql/tmp/mysql.pid
#autocommit = off
#read-only

key_buffer_size = 64M
myisam_sort_buffer_size = 300M
max_allowed_packet = 16M
table_open_cache = 4096
sort_buffer_size = 5M
join_buffer_size = 5M
read_buffer_size = 5M
read_rnd_buffer_size = 8M
bulk_insert_buffer_size = 64M
query_cache_size = 8M
query_cache_limit=8M
query_cache_min_res_unit = 2k
tmp_table_size=64M
max_heap_table_size = 128M

open_files_limit=102400
thread_concurrency = 16
max_connections=3000
max_connect_errors=3000
back_log = 600
table_cache = 4096
thread_cache_size = 100
thread_stack = 192K
#transaction_isolation = READ-COMMITTED

skip-name-resolve

####log variables
server-id       = 1
binlog_format=mixed
#log-slave-updates
log-bin=/home/liyh/local/mysql/log/mysql-bin
relay_log=/home/liyh/local/mysql/log/relay-bin
max_binlog_size = 500M
binlog_cache_size = 1M
max_binlog_cache_size = 64M
#binlog-ignore-db = mysql
replicate-ignore-db = mysql
expire-logs-days = 10
sync_binlog=0

slow_query_log=1
slow_query_log_file=/home/liyh/local/mysql/log/slowquery.log
long_query_time=1
general_log=off
general_log_file=/home/liyh/local/mysql/log/general.log
#relay_log_purge=OFF

# Point the following paths to different dedicated disks
#tmpdir         = /tmp/
#log-update     = /path-to-dedicated-directory/hostname

#auto_increment_increment=1
#auto_increment_offset=1

####innodb variables
#skip-innodb
innodb_data_home_dir = /home1/liyh/mysql/data
innodb_data_file_path = ibdata1:2000M;ibdata2:100M:autoextend
innodb_log_group_home_dir = /home1/liyh/mysql/data
#innodb_log_arch_dir = /home/liyh/local/mysql/data/
innodb_buffer_pool_size = 2048M
innodb_additional_mem_pool_size = 64M
innodb_log_file_size = 200M
innodb_log_buffer_size = 8M
innodb_log_files_in_group = 3
innodb_flush_log_at_trx_commit = 2
#innodb_file_io_threads = 4
innodb_thread_concurrency = 16
default-storage-engine=innodb
#innodb_max_dirty_pages_pct = 90
#innodb_lock_wait_timeout = 60
#innodb_file_per_table = 0

#interactive_timeout = 600
#wait_timeout = 900

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates

[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 512M
read_buffer = 5M
write_buffer = 5M

[mysqlhotcopy]
interactive-timeout

linux

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