Mysql
mysql伺服器沒有啟動
修改配置後mysql伺服器沒有啟動
key_buffer = 16M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 query_cache_size = 16M
更改後->
key_buffer_size = 384M max_allowed_packet = 1M table_open_cache = 512 sort_buffer_size = 2M read_buffer_size = 2M read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 8 query_cache_size = 32M innodb_buffer_pool_size = 375M
更改後->
innodb_buffer_pool_size = 384M innodb_additional_mem_pool_size = 20M # Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size = 100M innodb_log_buffer_size = 8M #innodb_flush_log_at_trx_commit = 1 #innodb_lock_wait_timeout = 50
配置-> my.cnf
# 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 # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp lc-messages-dir = /usr/share/mysql 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_size = 384M max_allowed_packet = 1M table_open_cache = 512 sort_buffer_size = 2M read_buffer_size = 2M read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 8 query_cache_size = 32M # Try number of CPU's*2 for thread_concurrency #thread_concurrency = 8 query_cache_limit = 10M 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 = 1 # # Error log - should be very few entries. # log_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! #innodb_data_home_dir = /var/lib/mysql #innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend #innodb_log_group_home_dir = /var/lib/mysql # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high innodb_buffer_pool_size = 384M innodb_additional_mem_pool_size = 20M # Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size = 100M innodb_log_buffer_size = 8M #innodb_flush_log_at_trx_commit = 1 #innodb_lock_wait_timeout = 50 # # # # * 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/ 140725 10:33:07 [Warning] Using unique option prefix myisam-recover instead of myisam- recover-options is deprecated and will be removed in a future release. Please use the full name instead. 140725 10:33:07 [Note] Plugin 'FEDERATED' is disabled. 140725 10:33:07 InnoDB: The InnoDB memory heap is disabled 140725 10:33:07 InnoDB: Mutexes and rw_locks use GCC atomic builtins 140725 10:33:07 InnoDB: Compressed tables use zlib 1.2.8 140725 10:33:07 InnoDB: Using Linux native AIO 140725 10:33:07 InnoDB: Initializing buffer pool, size = 375.0M 140725 10:33:07 InnoDB: Completed initialization of buffer pool 140725 10:33:07 InnoDB: highest supported file format is Barracuda. 140725 10:33:07 InnoDB: Waiting for the background threads to start 140725 10:33:08 InnoDB: 5.5.38 started; log sequence number 1224364093 140725 10:33:08 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 140725 10:33:08 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 140725 10:33:08 [Note] Server socket created on IP: '127.0.0.1'. 140725 10:33:08 [Note] Event Scheduler: Loaded 0 events 140725 10:33:08 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.5.38-0ubuntu0.14.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 140725 10:33:57 [Note] /usr/sbin/mysqld: Normal shutdown 140725 10:33:57 [Note] Event Scheduler: Purging the queue. 0 events 140725 10:33:57 InnoDB: Starting shutdown... 140725 10:33:57 InnoDB: Shutdown completed; log sequence number 1224364093 140725 10:33:57 [Note] /usr/sbin/mysqld: Shutdown complete 140725 10:40:16 [Note] Plugin 'FEDERATED' is disabled. 140725 10:40:16 InnoDB: The InnoDB memory heap is disabled 140725 10:40:16 InnoDB: Mutexes and rw_locks use GCC atomic builtins 140725 10:40:16 InnoDB: Compressed tables use zlib 1.2.8 140725 10:40:16 InnoDB: Using Linux native AIO 140725 10:40:16 InnoDB: Initializing buffer pool, size = 384.0M 140725 10:40:16 InnoDB: Completed initialization of buffer pool InnoDB: Error: log file ./ib_logfile0 is of different size 0 5242880 bytes InnoDB: than specified in the .cnf file 0 104857600 bytes! 140725 10:40:16 [ERROR] Plugin 'InnoDB' init function returned error. 140725 10:40:16 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 140725 10:40:16 [ERROR] Unknown/unsupported storage engine: InnoDB 140725 10:40:16 [ERROR] Aborting 140725 10:40:16 [Note] /usr/sbin/mysqld: Shutdown complete 140725 10:40:17 [Note] Plugin 'FEDERATED' is disabled. 140725 10:40:17 InnoDB: The InnoDB memory heap is disabled 140725 10:40:17 InnoDB: Mutexes and rw_locks use GCC atomic builtins 140725 10:40:17 InnoDB: Compressed tables use zlib 1.2.8 140725 10:40:17 InnoDB: Using Linux native AIO 140725 10:40:17 InnoDB: Initializing buffer pool, size = 384.0M 140725 10:40:17 InnoDB: Completed initialization of buffer pool
InnoDB:錯誤:日誌文件 ./ib_logfile0 的大小不同 0 5242880 字節 InnoDB:比 .cnf 文件中指定的大小 0 104857600 字節!140725 10:40:17
$$ ERROR $$外掛“InnoDB”初始化函式返回錯誤。140725 10:40:17$$ ERROR $$外掛“InnoDB”註冊為儲存引擎失敗。140725 10:40:17$$ ERROR $$未知/不支持的儲存引擎:InnoDB 140725 10:40:17$$ ERROR $$中止
140725 10:40:17 [Note] /usr/sbin/mysqld: Shutdown complete 140725 10:40:18 [Note] Plugin 'FEDERATED' is disabled. 140725 10:40:18 InnoDB: The InnoDB memory heap is disabled 140725 10:40:18 InnoDB: Mutexes and rw_locks use GCC atomic builtins 140725 10:40:18 InnoDB: Compressed tables use zlib 1.2.8 140725 10:40:18 InnoDB: Using Linux native AIO 140725 10:40:18 InnoDB: Initializing buffer pool, size = 384.0M 140725 10:40:18 InnoDB: Completed initialization of buffer pool InnoDB: Error: log file ./ib_logfile0 is of different size 0 5242880 bytes InnoDB: than specified in the .cnf file 0 104857600 bytes! 140725 10:40:18 [ERROR] Plugin 'InnoDB' init function returned error. 140725 10:40:18 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 140725 10:40:18 [ERROR] Unknown/unsupported storage engine: InnoDB 140725 10:40:18 [ERROR] Aborting 140725 10:40:18 [Note] /usr/sbin/mysqld: Shutdown complete 140725 10:48:07 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead. 140725 10:48:07 [Note] Plugin 'FEDERATED' is disabled. 140725 10:48:07 InnoDB: The InnoDB memory heap is disabled 140725 10:48:07 InnoDB: Mutexes and rw_locks use GCC atomic builtins 140725 10:48:07 InnoDB: Compressed tables use zlib 1.2.8 140725 10:48:07 InnoDB: Using Linux native AIO 140725 10:48:07 InnoDB: Initializing buffer pool, size = 375.0M 140725 10:48:07 InnoDB: Completed initialization of buffer pool 140725 10:48:07 InnoDB: highest supported file format is Barracuda. 140725 10:48:07 InnoDB: Waiting for the background threads to start 140725 10:48:08 InnoDB: 5.5.38 started; log sequence number 1224364093 140725 10:48:08 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 140725 10:48:08 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 140725 10:48:08 [Note] Server socket created on IP: '127.0.0.1'. 140725 10:48:08 [Note] Event Scheduler: Loaded 0 events 140725 10:48:08 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.5.38-0ubuntu0.14.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu)
您更改了
innodb_log_file_size
並且,因為您沒有使用 5.6(自動處理),您必須手動刪除,ib_logfile0
並且ib_logfile1
當 MySQL 停止時 InnoDB 以在啟動時使用新大小重新創建它們。確保在執行所有操作之前進行乾淨關閉,而不是崩潰 /
innodb_fast_shutdown = 2
。