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多執行個體mysql的安裝和管理

多執行個體mysql的安裝和管理

http://blog.chinaunix.net/uid-20639775-id-3438560.html

mysql的多執行個體有兩種方式可以實作，兩種方式各有利弊。

第一種是使用多個配置檔案啟動不同的程序來實作多執行個體，這種方式的優勢邏輯簡單，配置簡單，缺點是管理起來不太友善。

第二種是通過官方自帶的mysqld_multi使用單獨的配置檔案來實作多執行個體，這種方式定制每個執行個體的配置不太方面，優點是管理起來很友善，集中管理。

下面就分别來實戰這兩種多執行個體的安裝和管理

先來學習第一種使用多個配置檔案啟動多個不同程序的情況：

環境介紹：

mysql 版本：5.1.50

作業系統：SUSE 11

mysql執行個體數：3個

執行個體占用端口分别為：3306、3307、3308

建立mysql使用者  

點選(此處)折疊或打開

  1. /usr/sbin/groupadd mysql
  2. /usr/sbin/useradd -g mysql mysql

編譯安裝mysql

點選(此處)折疊或打開

  1. tar xzvf mysql-5.1.50.tar.gz
  2. cd mysql-5.1.50
  3. ./configure '--prefix=/usr/local/mysql' '--with-charset=utf8' '--with-extra-charsets=complex' '--with-pthread' '--enable-thread-safe-client' '--with-ssl' '--with-client-ldflags=-all-static' '--with-mysqld-ldflags=-all-static' '--with-plugins=partition,innobase,blackhole,myisam,innodb_plugin,heap,archive' '--enable-shared' '--enable-assembler'
  4. make
  5. make install

初始化資料庫

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysql_install_db --basedir=/usr/local/mysql --datadir=/data/dbdata_3306 --user=mysql
  2. /usr/local/mysql/bin/mysql_install_db --basedir=/usr/local/mysql --datadir=/data/dbdata_3307 --user=mysql
  3. /usr/local/mysql/bin/mysql_install_db --basedir=/usr/local/mysql --datadir=/data/dbdata_3308 --user=mysql

建立配置檔案 vim /data/dbdata_3306/my.cnf 3306的配置檔案如下：

點選(此處)折疊或打開

  1. [client]
  2. port = 3306
  3. socket = /data/dbdata_3306/mysql.sock
  4. [mysqld]
  5. datadir=/data/dbdata_3306/
  6. skip-name-resolve
  7. lower_case_table_names=1
  8. innodb_file_per_table=1
  9. port = 3306
  10. socket = /data/dbdata_3306/mysql.sock
  11. back_log = 50
  12. max_connections = 300
  13. max_connect_errors = 1000
  14. table_open_cache = 2048
  15. max_allowed_packet = 16M
  16. binlog_cache_size = 2M
  17. max_heap_table_size = 64M
  18. sort_buffer_size = 2M
  19. join_buffer_size = 2M
  20. thread_cache_size = 64
  21. thread_concurrency = 8
  22. query_cache_size = 64M
  23. query_cache_limit = 2M
  24. ft_min_word_len = 4
  25. default-storage-engine = innodb
  26. thread_stack = 192K
  27. transaction_isolation = REPEATABLE-READ
  28. tmp_table_size = 64M
  29. log-bin=mysql-bin
  30. binlog_format=mixed
  31. slow_query_log
  32. long_query_time = 1
  33. server-id = 1
  34. key_buffer_size = 8M
  35. read_buffer_size = 2M
  36. read_rnd_buffer_size = 2M
  37. bulk_insert_buffer_size = 64M
  38. myisam_sort_buffer_size = 128M
  39. myisam_max_sort_file_size = 10G
  40. myisam_repair_threads = 1
  41. myisam_recover
  42. innodb_additional_mem_pool_size = 16M
  43. innodb_buffer_pool_size = 200M
  44. innodb_data_file_path = ibdata1:10M:autoextend
  45. innodb_file_io_threads = 8
  46. innodb_thread_concurrency = 16
  47. innodb_flush_log_at_trx_commit = 1
  48. innodb_log_buffer_size = 16M
  49. innodb_log_file_size = 512M
  50. innodb_log_files_in_group = 3
  51. innodb_max_dirty_pages_pct = 60
  52. innodb_lock_wait_timeout = 120
  53. [mysqldump]
  54. quick
  55. max_allowed_packet = 256M
  56. [mysql]
  57. no-auto-rehash
  58. prompt=\\[email protected]\\d \\R:\\m>
  59. [myisamchk]
  60. key_buffer_size = 512M
  61. sort_buffer_size = 512M
  62. read_buffer = 8M
  63. write_buffer = 8M
  64. [mysqlhotcopy]
  65. interactive-timeout
  66. [mysqld_safe]
  67. open-files-limit = 8192

vim /data/dbdata_3307/my.cnf 3307的配置檔案如下：

點選(此處)折疊或打開

  1. [client]
  2. port = 3307
  3. socket = /data/dbdata_3307/mysql.sock
  4. [mysqld]
  5. datadir=/data/dbdata_3307/
  6. skip-name-resolve
  7. lower_case_table_names=1
  8. innodb_file_per_table=1
  9. port = 3307
  10. socket = /data/dbdata_3307/mysql.sock
  11. back_log = 50
  12. max_connections = 300
  13. max_connect_errors = 1000
  14. table_open_cache = 2048
  15. max_allowed_packet = 16M
  16. binlog_cache_size = 2M
  17. max_heap_table_size = 64M
  18. sort_buffer_size = 2M
  19. join_buffer_size = 2M
  20. thread_cache_size = 64
  21. thread_concurrency = 8
  22. query_cache_size = 64M
  23. query_cache_limit = 2M
  24. ft_min_word_len = 4
  25. default-storage-engine = innodb
  26. thread_stack = 192K
  27. transaction_isolation = REPEATABLE-READ
  28. tmp_table_size = 64M
  29. log-bin=mysql-bin
  30. binlog_format=mixed
  31. slow_query_log
  32. long_query_time = 1
  33. server-id = 1
  34. key_buffer_size = 8M
  35. read_buffer_size = 2M
  36. read_rnd_buffer_size = 2M
  37. bulk_insert_buffer_size = 64M
  38. myisam_sort_buffer_size = 128M
  39. myisam_max_sort_file_size = 10G
  40. myisam_repair_threads = 1
  41. myisam_recover
  42. innodb_additional_mem_pool_size = 16M
  43. innodb_buffer_pool_size = 200M
  44. innodb_data_file_path = ibdata1:10M:autoextend
  45. innodb_file_io_threads = 8
  46. innodb_thread_concurrency = 16
  47. innodb_flush_log_at_trx_commit = 1
  48. innodb_log_buffer_size = 16M
  49. innodb_log_file_size = 512M
  50. innodb_log_files_in_group = 3
  51. innodb_max_dirty_pages_pct = 60
  52. innodb_lock_wait_timeout = 120
  53. [mysqldump]
  54. quick
  55. max_allowed_packet = 256M
  56. [mysql]
  57. no-auto-rehash
  58. prompt=\\[email protected]\\d \\R:\\m>
  59. [myisamchk]
  60. key_buffer_size = 512M
  61. sort_buffer_size = 512M
  62. read_buffer = 8M
  63. write_buffer = 8M
  64. [mysqlhotcopy]
  65. interactive-timeout
  66. [mysqld_safe]
  67. open-files-limit = 8192

vim /data/dbdata_3308/my.cnf 3308的配置檔案如下：  

點選(此處)折疊或打開

  1. [client]
  2. port = 3308
  3. socket = /data/dbdata_3308/mysql.sock
  4. [mysqld]
  5. datadir=/data/dbdata_3308/
  6. skip-name-resolve
  7. lower_case_table_names=1
  8. innodb_file_per_table=1
  9. port = 3308
  10. socket = /data/dbdata_3308/mysql.sock
  11. back_log = 50
  12. max_connections = 300
  13. max_connect_errors = 1000
  14. table_open_cache = 2048
  15. max_allowed_packet = 16M
  16. binlog_cache_size = 2M
  17. max_heap_table_size = 64M
  18. sort_buffer_size = 2M
  19. join_buffer_size = 2M
  20. thread_cache_size = 64
  21. thread_concurrency = 8
  22. query_cache_size = 64M
  23. query_cache_limit = 2M
  24. ft_min_word_len = 4
  25. default-storage-engine = innodb
  26. thread_stack = 192K
  27. transaction_isolation = REPEATABLE-READ
  28. tmp_table_size = 64M
  29. log-bin=mysql-bin
  30. binlog_format=mixed
  31. slow_query_log
  32. long_query_time = 1
  33. server-id = 1
  34. key_buffer_size = 8M
  35. read_buffer_size = 2M
  36. read_rnd_buffer_size = 2M
  37. bulk_insert_buffer_size = 64M
  38. myisam_sort_buffer_size = 128M
  39. myisam_max_sort_file_size = 10G
  40. myisam_repair_threads = 1
  41. myisam_recover
  42. innodb_additional_mem_pool_size = 16M
  43. innodb_buffer_pool_size = 200M
  44. innodb_data_file_path = ibdata1:10M:autoextend
  45. innodb_file_io_threads = 8
  46. innodb_thread_concurrency = 16
  47. innodb_flush_log_at_trx_commit = 1
  48. innodb_log_buffer_size = 16M
  49. innodb_log_file_size = 512M
  50. innodb_log_files_in_group = 3
  51. innodb_max_dirty_pages_pct = 60
  52. innodb_lock_wait_timeout = 120
  53. [mysqldump]
  54. quick
  55. max_allowed_packet = 256M
  56. [mysql]
  57. no-auto-rehash
  58. prompt=\\[email protected]\\d \\R:\\m>
  59. [myisamchk]
  60. key_buffer_size = 512M
  61. sort_buffer_size = 512M
  62. read_buffer = 8M
  63. write_buffer = 8M
  64. [mysqlhotcopy]
  65. interactive-timeout
  66. [mysqld_safe]
  67. open-files-limit = 8192

建立自動啟動檔案 vim /data/dbdata_3306/mysqld 3306的啟動檔案如下：

點選(此處)折疊或打開

  1. #!/bin/bash
  2. mysql_port=3306
  3. mysql_username="admin"
  4. mysql_password="password"
  5. function_start_mysql()
  6. {
  7. printf "Starting MySQL...\n"
  8. /bin/sh /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/dbdata_${mysql_port}/my.cnf 2>&1 > /dev/null &
  9. }
  10. function_stop_mysql()
  11. {
  12. printf "Stoping MySQL...\n"
  13. /usr/local/mysql/bin/mysqladmin -u ${mysql_username} -p${mysql_password} -S /data/dbdata_${mysql_port}/mysql.sock shutdown
  14. }
  15. function_restart_mysql()
  16. {
  17. printf "Restarting MySQL...\n"
  18. function_stop_mysql
  19. function_start_mysql
  20. }
  21. function_kill_mysql()
  22. {
  23. kill -9 $(ps -ef | grep 'bin/mysqld_safe' | grep ${mysql_port} | awk '{printf $2}')
  24. kill -9 $(ps -ef | grep 'libexec/mysqld' | grep ${mysql_port} | awk '{printf $2}')
  25. }
  26. case $1 in
  27. start)
  28. function_start_mysql;;
  29. stop)
  30. function_stop_mysql;;
  31. kill)
  32. function_kill_mysql;;
  33. restart)
  34. function_stop_mysql
  35. function_start_mysql;;
  36. *)
  37. echo "Usage: /data/dbdata_${mysql_port}/mysqld {start|stop|restart|kill}";;
  38. esac

vim /data/dbdata_3307/mysqld 3307的啟動檔案如下：

點選(此處)折疊或打開

  1. #!/bin/bash
  2. mysql_port=3307
  3. mysql_username="admin"
  4. mysql_password="password"
  5. function_start_mysql()
  6. {
  7. printf "Starting MySQL...\n"
  8. /bin/sh /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/dbdata_${mysql_port}/my.cnf 2>&1 > /dev/null &
  9. }
  10. function_stop_mysql()
  11. {
  12. printf "Stoping MySQL...\n"
  13. /usr/local/mysql/bin/mysqladmin -u ${mysql_username} -p${mysql_password} -S /data/dbdata_${mysql_port}/mysql.sock shutdown
  14. }
  15. function_restart_mysql()
  16. {
  17. printf "Restarting MySQL...\n"
  18. function_stop_mysql
  19. function_start_mysql
  20. }
  21. function_kill_mysql()
  22. {
  23. kill -9 $(ps -ef | grep 'bin/mysqld_safe' | grep ${mysql_port} | awk '{printf $2}')
  24. kill -9 $(ps -ef | grep 'libexec/mysqld' | grep ${mysql_port} | awk '{printf $2}')
  25. }
  26. case $1 in
  27. start)
  28. function_start_mysql;;
  29. stop)
  30. function_stop_mysql;;
  31. kill)
  32. function_kill_mysql;;
  33. restart)
  34. function_stop_mysql
  35. function_start_mysql;;
  36. *)
  37. echo "Usage: /data/dbdata_${mysql_port}/mysqld {start|stop|restart|kill}";;
  38. esac

vim /data/dbdata_3308/mysqld 3308的啟動檔案如下：

點選(此處)折疊或打開

  1. #!/bin/bash
  2. mysql_port=3308
  3. mysql_username="admin"
  4. mysql_password="password"
  5. function_start_mysql()
  6. {
  7. printf "Starting MySQL...\n"
  8. /bin/sh /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/dbdata_${mysql_port}/my.cnf 2>&1 > /dev/null &
  9. }
  10. function_stop_mysql()
  11. {
  12. printf "Stoping MySQL...\n"
  13. /usr/local/mysql/bin/mysqladmin -u ${mysql_username} -p${mysql_password} -S /data/dbdata_${mysql_port}/mysql.sock shutdown
  14. }
  15. function_restart_mysql()
  16. {
  17. printf "Restarting MySQL...\n"
  18. function_stop_mysql
  19. function_start_mysql
  20. }
  21. function_kill_mysql()
  22. {
  23. kill -9 $(ps -ef | grep 'bin/mysqld_safe' | grep ${mysql_port} | awk '{printf $2}')
  24. kill -9 $(ps -ef | grep 'libexec/mysqld' | grep ${mysql_port} | awk '{printf $2}')
  25. }
  26. case $1 in
  27. start)
  28. function_start_mysql;;
  29. stop)
  30. function_stop_mysql;;
  31. kill)
  32. function_kill_mysql;;
  33. restart)
  34. function_stop_mysql
  35. function_start_mysql;;
  36. *)
  37. echo "Usage: /data/dbdata_${mysql_port}/mysqld {start|stop|restart|kill}";;
  38. esac

啟動3306、3307、3308的mysql

點選(此處)折疊或打開

  1. /data/dbdata_3306/mysqld start
  2. /data/dbdata_3307/mysqld start
  3. /data/dbdata_3308/mysqld start

更改原來密碼（處于安全考慮，還需要删除系統中沒有密碼的帳号，這裡省略了）：  

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3306/mysql.sock
  2. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3307/mysql.sock
  3. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3308/mysql.sock

登入測試并建立關閉mysql的帳号權限，mysqld腳本要用到！  

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  2. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  3. flush privileges;
  4. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  5. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  6. flush privileges;
  7. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  8. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  9. flush privileges;

建立了admin帳号以後腳本的stop功能和restart功能就正常了！ 更改環境變量  

點選(此處)折疊或打開

  1. vim /etc/profile 添加下面一行内容
  2. PATH=${PATH}:/usr/local/mysql/bin/
  3. source /etc/profile

添加到自動啟動  

點選(此處)折疊或打開

  1. vim /etc/init.d/boot.local
  2. /data/dbdata_3306/mysqld start
  3. /data/dbdata_3307/mysqld start
  4. /data/dbdata_3308/mysqld start

如果是rhel或者centos系統的話自啟動檔案/etc/rc.local   管理的話，在本地都是采用 -S /data/dbdata_3308/mysql.sock，如果在遠端可以通過不同的端口連接配接上去坐管理操作。其他的和單執行個體的管理沒什麼差別！       再來看第二種通過官方自帶的mysqld_multi來實作多執行個體實戰：

這裡的mysql安裝以及資料庫的初始化和前面的步驟一樣，就不再贅述。

mysqld_multi的配置 vim /etc/my.cnf

點選(此處)折疊或打開

  1. [mysqld_multi]
  2. mysqld = /usr/local/mysql/bin/mysqld_safe
  3. mysqladmin = /usr/local/mysql/bin/mysqladmin
  4. user = admin
  5. password = password
  6. [mysqld1]
  7. socket = /data/dbdata_3306/mysql.sock
  8. port = 3306
  9. pid-file = /data/dbdata_3306/3306.pid
  10. datadir = /data/dbdata_3306
  11. user = mysql
  12. skip-name-resolve
  13. lower_case_table_names=1
  14. innodb_file_per_table=1
  15. back_log = 50
  16. max_connections = 300
  17. max_connect_errors = 1000
  18. table_open_cache = 2048
  19. max_allowed_packet = 16M
  20. binlog_cache_size = 2M
  21. max_heap_table_size = 64M
  22. sort_buffer_size = 2M
  23. join_buffer_size = 2M
  24. thread_cache_size = 64
  25. thread_concurrency = 8
  26. query_cache_size = 64M
  27. query_cache_limit = 2M
  28. ft_min_word_len = 4
  29. default-storage-engine = innodb
  30. thread_stack = 192K
  31. transaction_isolation = REPEATABLE-READ
  32. tmp_table_size = 64M
  33. log-bin=mysql-bin
  34. binlog_format=mixed
  35. slow_query_log
  36. long_query_time = 1
  37. server-id = 1
  38. key_buffer_size = 8M
  39. read_buffer_size = 2M
  40. read_rnd_buffer_size = 2M
  41. bulk_insert_buffer_size = 64M
  42. myisam_sort_buffer_size = 128M
  43. myisam_max_sort_file_size = 10G
  44. myisam_repair_threads = 1
  45. myisam_recover
  46. innodb_additional_mem_pool_size = 16M
  47. innodb_buffer_pool_size = 200M
  48. innodb_data_file_path = ibdata1:10M:autoextend
  49. innodb_file_io_threads = 8
  50. innodb_thread_concurrency = 16
  51. innodb_flush_log_at_trx_commit = 1
  52. innodb_log_buffer_size = 16M
  53. innodb_log_file_size = 512M
  54. innodb_log_files_in_group = 3
  55. innodb_max_dirty_pages_pct = 60
  56. innodb_lock_wait_timeout = 120
  57. [mysqld2]
  58. socket = /data/dbdata_3307/mysql.sock
  59. port = 3307
  60. pid-file = /data/dbdata_3307/3307.pid
  61. datadir = /data/dbdata_3307
  62. user = mysql
  63. skip-name-resolve
  64. lower_case_table_names=1
  65. innodb_file_per_table=1
  66. back_log = 50
  67. max_connections = 300
  68. max_connect_errors = 1000
  69. table_open_cache = 2048
  70. max_allowed_packet = 16M
  71. binlog_cache_size = 2M
  72. max_heap_table_size = 64M
  73. sort_buffer_size = 2M
  74. join_buffer_size = 2M
  75. thread_cache_size = 64
  76. thread_concurrency = 8
  77. query_cache_size = 64M
  78. query_cache_limit = 2M
  79. ft_min_word_len = 4
  80. default-storage-engine = innodb
  81. thread_stack = 192K
  82. transaction_isolation = REPEATABLE-READ
  83. tmp_table_size = 64M
  84. log-bin=mysql-bin
  85. binlog_format=mixed
  86. slow_query_log
  87. long_query_time = 1
  88. server-id = 1
  89. key_buffer_size = 8M
  90. read_buffer_size = 2M
  91. read_rnd_buffer_size = 2M
  92. bulk_insert_buffer_size = 64M
  93. myisam_sort_buffer_size = 128M
  94. myisam_max_sort_file_size = 10G
  95. myisam_repair_threads = 1
  96. myisam_recover
  97. innodb_additional_mem_pool_size = 16M
  98. innodb_buffer_pool_size = 200M
  99. innodb_data_file_path = ibdata1:10M:autoextend
  100. innodb_file_io_threads = 8
  101. innodb_thread_concurrency = 16
  102. innodb_flush_log_at_trx_commit = 1
  103. innodb_log_buffer_size = 16M
  104. innodb_log_file_size = 512M
  105. innodb_log_files_in_group = 3
  106. innodb_max_dirty_pages_pct = 60
  107. innodb_lock_wait_timeout = 120
  108. [mysqld3]
  109. socket = /data/dbdata_3308/mysql.sock
  110. port = 3308
  111. pid-file = /data/dbdata_3308/3308.pid
  112. datadir = /data/dbdata_3308
  113. user = mysql
  114. skip-name-resolve
  115. lower_case_table_names=1
  116. innodb_file_per_table=1
  117. back_log = 50
  118. max_connections = 300
  119. max_connect_errors = 1000
  120. table_open_cache = 2048
  121. max_allowed_packet = 16M
  122. binlog_cache_size = 2M
  123. max_heap_table_size = 64M
  124. sort_buffer_size = 2M
  125. join_buffer_size = 2M
  126. thread_cache_size = 64
  127. thread_concurrency = 8
  128. query_cache_size = 64M
  129. query_cache_limit = 2M
  130. ft_min_word_len = 4
  131. default-storage-engine = innodb
  132. thread_stack = 192K
  133. transaction_isolation = REPEATABLE-READ
  134. tmp_table_size = 64M
  135. log-bin=mysql-bin
  136. binlog_format=mixed
  137. slow_query_log
  138. long_query_time = 1
  139. server-id = 1
  140. key_buffer_size = 8M
  141. read_buffer_size = 2M
  142. read_rnd_buffer_size = 2M
  143. bulk_insert_buffer_size = 64M
  144. myisam_sort_buffer_size = 128M
  145. myisam_max_sort_file_size = 10G
  146. myisam_repair_threads = 1
  147. myisam_recover
  148. innodb_additional_mem_pool_size = 16M
  149. innodb_buffer_pool_size = 200M
  150. innodb_data_file_path = ibdata1:10M:autoextend
  151. innodb_file_io_threads = 8
  152. innodb_thread_concurrency = 16
  153. innodb_flush_log_at_trx_commit = 1
  154. innodb_log_buffer_size = 16M
  155. innodb_log_file_size = 512M
  156. innodb_log_files_in_group = 3
  157. innodb_max_dirty_pages_pct = 60
  158. innodb_lock_wait_timeout = 120
  159. [mysqldump]
  160. quick
  161. max_allowed_packet = 256M
  162. [mysql]
  163. no-auto-rehash
  164. prompt=\\[email protected]\\d \\R:\\m>
  165. [myisamchk]
  166. key_buffer_size = 512M
  167. sort_buffer_size = 512M
  168. read_buffer = 8M
  169. write_buffer = 8M
  170. [mysqlhotcopy]
  171. interactive-timeout
  172. [mysqld_safe]
  173. open-files-limit = 8192

mysqld_multi啟動  

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysqld_multi start 1
  2. /usr/local/mysql/bin/mysqld_multi start 2
  3. /usr/local/mysql/bin/mysqld_multi start 3

或者采用一條指令的形式：  

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysqld_multi start 1-3

更改原來密碼（處于安全考慮，還需要删除系統中沒有密碼的帳号，這裡省略了）：

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3306/mysql.sock
  2. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3307/mysql.sock
  3. /usr/local/mysql/bin/mysqladmin -uroot password 'password' -S /data/dbdata_3308/mysql.sock

  登入測試并建立admin密碼(停止mysql的時候需要使用到)

點選(此處)折疊或打開

  1. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  2. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  3. flush privileges;
  4. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  5. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  6. flush privileges;
  7. /usr/local/mysql/bin/mysql -uroot -ppassword -S /data/dbdata_3308/mysql.sock
  8. GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';
  9. flush privileges;

更改環境變量

點選(此處)折疊或打開

  1. vim /etc/profile
  2. PATH=${PATH}:/usr/local/mysql/bin/
  3. source /etc/profile

添加到自動啟動

點選(此處)折疊或打開

  1. vim /etc/init.d/boot.local
  2. /usr/local/mysql/bin/mysqld_multi start 1-3

如果是rhel或者centos系統的話自啟動檔案/etc/rc.local   管理的話，在本地都是采用 -S /data/dbdata_3308/mysql.sock，如果在遠端可以通過不同的端口連接配接上去坐管理操作。其他的和單執行個體的管理沒什麼差別！ 大家在管理多執行個體的話可以使用mysqlmanager執行個體管理器，管理器來會比較方面，限于篇幅，這裡就不在多做介紹！

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