Mysql:windows上mysql服务管理

摘要:
不一定是最新的。例如,Sun收购MySQL后,产生了几个垃圾版本!

自5.1.21及以后的变化:

  • The following table shows the available servers for Windows in MySQL 5.1.20 and earlier.
BinaryDescription
mysqld-ntOptimized binary with named-pipe support
mysqldOptimized binary without named-pipe support
mysqld-debugLike mysqld-nt,but compiled with full debugging and automatic memory allocation checking


  • The following table shows the available servers for Windows in MySQL 5.1.21 and later.
BinaryDescription
mysqldOptimized binary with named-pipe support
mysqld-debugLike mysqld, but compiled with full debugging and automatic memory allocation checking


安装方式:

  • binary分发:windows的诱人之处
  • zip包:不是菜鸟的人乐于使用的方式
  • source编译:介于牛A 和 牛C直接的人 使用的方式,高度定制!


版本:

  • 严重推荐使用最新的GA(general avialiablity)版,至少是RC(release candidate)版。
  • 其实版本选择主要是够用、适用、好用!不一定是最新的。就如mysql被sun并购后生产了几个垃圾的版本!

mysqld服务进程读取的选项文件

  • %windir%\my.ini   %windir%\my.cnf   C:\my.ini   C:\my.cnf   mysql_basedir\my.ini   mysql_basedir\my.cnf
  • mysql5.1.x可以识别的选项节:[mysqld]   [server]   [mysqld-5.1]

mysqld服务进程的运行方式:

  • 单独的应用程序模式:直接从命令行运行 mysqld.exe 或者 指定--standalone
  • 服务模式:如果是“完全路径的mysqld.exe”,可以通过定义 --defaults-file来指定不同的选项
  • 如何创建多个服务:
  1. mysqld.exe  --install 安装默认的【Mysql】服务,读取【标准位置】的选项配置文件的【mqsql】节
  2. mysqld.exe  --install Mysql --defaults-file=fullpathname   安装默认的【Mysql】服务,读取指定的【fullpathname】的选项配置文件的【mqsql】节
  3. mysqld.exe  --install user_name   安装指定名称的【user_name】服务,读取【标准位置】的选项配置文件的【mqsql】节和与指定服务名称的完全相同的【user_name】节
  4. mysqld.exe  --install user_name --defaults-file=fullpathname   安装指定名称的【user_name】服务,读取指定的【fullpathname】的选项配置文件的【mqsql】节
  • 控制mysqld服务的几种标准方式
  1. net start、net stop
  2. sc start、sc stop
  3. mysqladmin
  4. 服务管理器

windows上特有的选项

  •   --install                     Install the default service (NT)
  •   --install-manual              Install the default service started manually (NT)
  •   --install service_name        Install an optional service (NT)
  •   --install-manual service_name   Install an optional service started manually (NT)
  •   --remove                      Remove the default service from the service list (NT)
  •   --remove service_name         Remove the service_name from the service list (NT)
  •   --enable-named-pipe           Only to be used for the    default server (NT)
  •   --standalone                  Dummy option to start as a standalone server (NT)
  • 不要忘记,这些只是mysql管理windows服务而提供的方式,windows自己就可以很好的管理这些东西

第一选项参数

  The following options may be given as the first argument:

  • --print-defaults    Print the program argument list and exit
  • --no-defaults        Don't read default options from any options file
  • --defaults-file=#    Only read default options from the given file #
  • --defaults-extra-file=#   Read this file after the global files are read

需要注意的选项

--console  --将mysqld服务京城的启动、运行诊断信息重定向至屏幕输出,而不是(datadir)下的错误日志文件(.err)

--skip-grant-tables  --强制mysqld忽略权限设置启动——既无权限控制——所以用户均是super权限

--debug    --跟踪模式,提供更加丰富的内部信息。跟踪文件位于c:\mysqld.trace

非第一选项

  •   --abort-slave-event-count=#  Option used by mysql-test for debugging and testing of  replication.
  •   --allow-suspicious-udfs    Allows use of UDFs consisting of only one symbol xxx() without corresponding xxx_init() or xxx_deinit(). That also means that one can oad any function from any library, for example exit() from libc.so
  •   -a, --ansi          Use ANSI SQL syntax instead of MySQL syntax. This mode  will also set transaction isolation level 'serializable'.
  •   --auto-increment-increment[=#]                       Auto-increment columns are incremented by this
  •   --auto-increment-offset[=#]                       Offset added to Auto-increment columns. Used when   auto-increment-increment != 1
  •   --automatic-sp-privileges                       Creating and dropping stored procedures alters ACLs.   Disable with --skip-automatic-sp-privileges.
  •   --back_log=#        The number of outstanding connection requests MySQL can  have. This comes into play when the main MySQL thread  gets very many connection requests in a very short time.
  •   -b, --basedir=name    Path to installation directory. All paths are usually    resolved relative to this.
  •   --big-tables        Allow big result sets by saving all temporary sets on   file (Solves most 'table full' errors).
  •   --bind-address=name   IP address to bind to.
  •   --binlog-do-db=name   Tells the master it should log updates for the specified   database, and exclude all others not explicitly  mentioned.
  •   --binlog-ignore-db=name   Tells the master that updates to the given database  should not be logged tothe binary log.
  •   --binlog-row-event-max-size=#             The maximum size of a row-based binary log event in   bytes. Rows will be grouped into events smaller than this    size if possible. The value has to be a multiple of 256.
  •   --binlog_cache_size=#    The size of the cache to hold the SQL statements for the  binary log during a transaction. If you often use big,multi-statement transactions you can increase this to get more performance.
  •   --binlog_format=name
  •                       Does not have any effect without '--log-bin'. Tell the
  •                       master the form of binary logging to use: either 'row'
  •                       for row-based binary logging, or 'statement' for
  •                       statement-based binary logging, or 'mixed'. 'mixed' is
  •                       statement-based binary logging except for those
  •                       statements where only row-based is correct: those which
  •                       involve user-defined functions (i.e. UDFs) or the UUID()
  •                       function; for those, row-based binary logging is
  •                       automatically used.
  •   --bootstrap         Used by mysql installation scripts.
  •   --bulk_insert_buffer_size=#                       Size of tree cache used in bulk insert optimisation. Note  that this is a limit per thread!
  •   --character-set-client-handshake                       Don't ignore client side character set value sent during   handshake.
  •   --character-set-filesystem=name                       Set the filesystem character set.
  •   -C, --character-set-server=name                       Set the default character set.
  •   --character-sets-dir=name                       Directory where character sets are.
  •   -r, --chroot=name       Chroot mysqld daemon during startup.
  •   --collation-server=name                       Set the default collation.
  •   --completion-type=#       Default completion type.
  •   --concurrent-insert[=#]                       Use concurrent insert with MyISAM. Disable with    --concurrent-insert=0
  •   --connect_timeout=#     The number of seconds the mysqld server is waiting for a      connect packet before responding with 'Bad handshake'.
  •   --console           Write error output on screen; Don't remove the console    window on windows.
  •   --core-file         Write core on errors.
  •   -h, --datadir=name  Path to the database root.
  •   --datetime_format=name                       The DATETIME/TIMESTAMP format (for future).
  •   --date_format=name    The DATE format (For future).
  •   -C, --default-character-set=name                       Set the default character set (deprecated option, use --character-set-server instead).
  •   --default-collation=name                       Set the default collation (deprecated option, use  --collation-server instead).
  •   --default-storage-engine=name                       Set the default storage engine (table type) for tables.
  •   --default-table-type=name                       (deprecated) Use --default-storage-engine.
  •   --default-time-zone=name                       Set the default time zone.
  •   --default_week_format=#                       The default week format used by WEEK() functions.
  •   --delay-key-write[=name]                       Type of DELAY_KEY_WRITE.
  •   --delay-key-write-for-all-tables                       Don't flush key buffers between writes for any MyISAM  table (Deprecated option, use --delay-key-write=all instead).
  •   --delayed_insert_limit=#                       After inserting delayed_insert_limit rows, the INSERT DELAYED handler will check if there are any SELECT statements ending. If so, it allows these to execute   before continuing.
  •   --delayed_insert_timeout=#                       How long a INSERT DELAYED thread should wait for INSERT     statements before terminating.
  •   --delayed_queue_size=#
  •                       What size queue (in rows) should be allocated for
  •                       handling INSERT DELAYED. If the queue becomes full, any
  •                       client that does INSERT DELAYED will wait until there is
  •                       room in the queue again.
  •   --des-key-file=name     Load keys for des_encrypt() and des_encrypt from given   file.
  •   --disconnect-slave-event-count=#                       Option used by mysql-test for debugging and testing of   replication.
  •   --div_precision_increment=#                       Precision of the result of '/' operator will be increased  on that value.
  •   --enable-locking      Deprecated option, use --external-locking instead.
  •   --enable-named-pipe     Enable the named pipe (NT).
  •   --engine-condition-pushdown                       Push supported query conditions to the storage engine.
  •   --event-scheduler[=name]                       Enable/disable the event scheduler.
  •   -T, --exit-info[=#]     Used for debugging;  Use at your own risk!
  •   --expire_logs_days=#                       If non-zero, binary logs will be purged after  expire_logs_days days; possible purges happen at startup  and at binary log rotation.
  •   --external-locking    Use system (external) locking (disabled by default).  With this option enabled you can run myisamchk to test  (not repair) tables while the MySQL server is running.  Disable with --skip-external-locking.
  •   --flush             Flush tables to disk between SQL commands.
  •   --flush_time=#      A dedicated thread is created to flush all tables at the                      given interval.

  --ft_boolean_syntax=name
                      List of operators for MATCH ... AGAINST ( ... IN BOOLEAN
                      MODE)
  --ft_max_word_len=# The maximum length of the word to be included in a
                      FULLTEXT index. Note: FULLTEXT indexes must be rebuilt
                      after changing this variable.
  --ft_min_word_len=# The minimum length of the word to be included in a
                      FULLTEXT index. Note: FULLTEXT indexes must be rebuilt
                      after changing this variable.
  --ft_query_expansion_limit=#
                      Number of best matches to use for query expansion
  --ft_stopword_file=name
                      Use stopwords from this file instead of built-in list.
  --gdb               Set up signals usable for debugging
  --general_log       Enable|disable general log
  --general_log_file=name
                      Log connections and queries to given file.
  --group_concat_max_len=#
                      The maximum length of the result of function
                      group_concat.
  -?, --help          Display this help and exit.
  --ignore-builtin-innodb
                      Disable initialization of builtin InnoDB plugin
  --init-connect=name Command(s) that are executed for each new connection
  --init-file=name    Read SQL commands from this file at startup.
  --init-rpl-role=name
                      Set the replication role.
  --init-slave=name   Command(s) that are executed when a slave connects to
                      this master
  --innodb            Enable InnoDB plugin. Disable with --skip-innodb (will
                      save memory).
  --innodb-adaptive-hash-index
                      Enable InnoDB adaptive hash index (enabled by default).
                      Disable with --skip-innodb-adaptive-hash-index.
  --innodb-additional-mem-pool-size=#
                      Size of a memory pool InnoDB uses to store data
                      dictionary information and other internal data
                      structures.
  --innodb-autoextend-increment=#
                      Data file autoextend increment in megabytes
  --innodb-autoinc-lock-mode=#
                      The AUTOINC lock modes supported by InnoDB:             
                      0 => Old style AUTOINC locking (for backward
                      compatibility)                                         
                      1 => New style AUTOINC locking                          
                      2 => No AUTOINC locking (unsafe for SBR)
  --innodb-buffer-pool-size=#
                      The size of the memory buffer InnoDB uses to cache data
                      and indexes of its tables.
  --innodb-checksums  Enable InnoDB checksums validation (enabled by default).
                      Disable with --skip-innodb-checksums.
  --innodb-commit-concurrency=#
                      Helps in performance tuning in heavily concurrent
                      environments.
  --innodb-concurrency-tickets=#
                      Number of times a thread is allowed to enter InnoDB
                      within the same SQL query after it has once got the
                      ticket
  --innodb-data-file-path=name
                      Path to individual files and their sizes.
  --innodb-data-home-dir=name
                      The common part for InnoDB table spaces.
  --innodb-doublewrite
                      Enable InnoDB doublewrite buffer (enabled by default).
                      Disable with --skip-innodb-doublewrite.
  --innodb-fast-shutdown[=#]
                      Speeds up the shutdown process of the InnoDB storage
                      engine. Possible values are 0, 1 (faster) or 2 (fastest -
                      crash-like).
  --innodb-file-io-threads=#
                      Number of file I/O threads in InnoDB.
  --innodb-file-per-table
                      Stores each InnoDB table to an .ibd file in the database
                      dir.
  --innodb-flush-log-at-trx-commit[=#]
                      Set to 0 (write and flush once per second), 1 (write and
                      flush at each commit) or 2 (write at commit, flush once
                      per second).
  --innodb-flush-method=name
                      With which method to flush data.
  --innodb-force-recovery=#
                      Helps to save your data in case the disk image of the
                      database becomes corrupt.
  --innodb-lock-wait-timeout=#
                      Timeout in seconds an InnoDB transaction may wait for a
                      lock before being rolled back.
  --innodb-locks-unsafe-for-binlog
                      Force InnoDB to not use next-key locking, to use only
                      row-level locking.
  --innodb-log-buffer-size=#
                      The size of the buffer which InnoDB uses to write log to
                      the log files on disk.
  --innodb-log-file-size=#
                      Size of each log file in a log group.
  --innodb-log-files-in-group=#
                      Number of log files in the log group. InnoDB writes to
                      the files in a circular fashion. Value 3 is recommended
                      here.
  --innodb-log-group-home-dir=name
                      Path to InnoDB log files.
  --innodb-max-dirty-pages-pct=#
                      Percentage of dirty pages allowed in bufferpool.
  --innodb-max-purge-lag=#
                      Desired maximum length of the purge queue (0 = no limit)
  --innodb-mirrored-log-groups=#
                      Number of identical copies of log groups we keep for the
                      database. Currently this should be set to 1.
  --innodb-open-files=#
                      How many files at the maximum InnoDB keeps open at the
                      same time.
  --innodb-rollback-on-timeout
                      Roll back the complete transaction on lock wait timeout,
                      for 4.x compatibility (disabled by default)
  --innodb-stats-on-metadata
                      Enable statistics gathering for metadata commands such as
                      SHOW TABLE STATUS (on by default)
  --innodb-status-file
                      Enable SHOW INNODB STATUS output in the
                      innodb_status.<pid> file
  --innodb-support-xa Enable InnoDB support for the XA two-phase commit
  --innodb-sync-spin-loops=#
                      Count of spin-loop rounds in InnoDB mutexes
  --innodb-table-locks
                      Enable InnoDB locking in LOCK TABLES
  --innodb-thread-concurrency=#
                      Helps in performance tuning in heavily concurrent
                      environments. Sets the maximum number of threads allowed
                      inside InnoDB. Value 0 will disable the thread
                      throttling.
  --innodb-thread-sleep-delay=#
                      Time of innodb thread sleeping before joining InnoDB
                      queue (usec). Value 0 disable a sleep
  --interactive_timeout=#
                      The number of seconds the server waits for activity on an
                      interactive connection before closing it.
  --join_buffer_size=#
                      The size of the buffer that is used for full joins.
  --keep_files_on_create
                      Don't overwrite stale .MYD and .MYI even if no directory
                      is specified.
  --key_buffer_size=# The size of the buffer used for index blocks for MyISAM
                      tables. Increase this to get better index handling (for
                      all reads and multiple writes) to as much as you can
                      afford; 64M on a 256M machine that mainly runs MySQL is
                      quite common.
  --key_cache_age_threshold=#
                      This characterizes the number of hits a hot block has to
                      be untouched until it is considered aged enough to be
                      downgraded to a warm block. This specifies the percentage
                      ratio of that number of hits to the total number of
                      blocks in key cache
  --key_cache_block_size=#
                      The default size of key cache blocks
  --key_cache_division_limit=#
                      The minimum percentage of warm blocks in key cache
  -L, --language=name Client error messages in given language. May be given as
                      a full path.
  --lc-time-names=name
                      Set the language used for the month names and the days of
                      the week.
  --local-infile      Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0).
  -l, --log[=name]    Log connections and queries to file (deprecated option,
                      use --general_log/--general_log_file instead).
  --log-bin[=name]    Log update queries in binary format. Optional (but
                      strongly recommended to avoid replication problems if
                      server's hostname changes) argument should be the chosen
                      location for the binary log files.
  --log-bin-index=name
                      File that holds the names for last binary log files.
  --log-bin-trust-function-creators
                      If equal to 0 (the default), then when --log-bin is used,
                      creation of a stored function (or trigger) is allowed
                      only to users having the SUPER privilege and only if this
                      stored function (trigger) may not break binary
                      logging.Note that if ALL connections to this server
                      ALWAYS use row-based binary logging, the security issues
                      do not exist and the binary logging cannot break, so you
                      can safely set this to 1.
  --log-bin-trust-routine-creators
                      (deprecated) Use log-bin-trust-function-creators.
  --log-error[=name]  Error log file.
  --log-isam[=name]   Log all MyISAM changes to file.
  -0, --log-long-format
                      Log some extra information to update log. Please note
                      that this option is deprecated; see --log-short-format
                      option.
  --log-output[=name] Syntax: log-output[=value[,value...]], where "value"
                      could be TABLE, FILE or NONE.
  --log-queries-not-using-indexes
                      Log queries that are executed without benefit of any
                      index to the slow log if it is open.
  --log-short-format  Don't log extra information to update and slow-query
                      logs.
  --log-slave-updates Tells the slave to log the updates from the slave thread
                      to the binary log. You will need to turn it on if you
                      plan to daisy-chain the slaves.
  --log-slow-admin-statements
                      Log slow OPTIMIZE, ANALYZE, ALTER and other
                      administrative statements to the slow log if it is open.
  --log-slow-slave-statements
                      Log slow statements executed by slave thread to the slow
                      log if it is open.
  --log-tc=name       Path to transaction coordinator log (used for
                      transactions that affect more than one storage engine,
                      when binary log is disabled)
  --log-tc-size=#     Size of transaction coordinator log.
  --log-update[=name] The update log is deprecated since version 5.0, is
                      replaced by the binary log and this option justs turns on
                      --log-bin instead.
  -W, --log-warnings[=#]
                      Log some not critical warnings to the log file.
  --log_slow_queries[=name]
                      Log slow queries to a table or log file. Defaults logging
                      to table mysql.slow_log or hostname-slow.log if
                      --log-output=file is used. Must be enabled to activate
                      other slow log options. (deprecated option, use
                      --slow_query_log/--slow_query_log_file instead)
  --long_query_time=# Log all queries that have taken more than long_query_time
                      seconds to execute to file. The argument will be treated
                      as a decimal value with microsecond precission.
  --low-priority-updates
                      INSERT/DELETE/UPDATE has lower priority than selects.
  --lower_case_table_names[=#]
                      If set to 1 table names are stored in lowercase on disk
                      and table names will be case-insensitive.  Should be set
                      to 2 if you are using a case insensitive file system
  --master-connect-retry=#
                      The number of seconds the slave thread will sleep before
                      retrying to connect to the master in case the master goes
                      down or the connection is lost.
  --master-host=name  Master hostname or IP address for replication. If not
                      set, the slave thread will not be started. Note that the
                      setting of master-host will be ignored if there exists a
                      valid master.info file.
  --master-info-file=name
                      The location and name of the file that remembers the
                      master and where the I/O replication thread is in the
                      master's binlogs.
  --master-password=name
                      The password the slave thread will authenticate with when
                      connecting to the master. If not set, an empty password
                      is assumed.The value in master.info will take precedence
                      if it can be read.
  --master-port=#     The port the master is listening on. If not set, the
                      compiled setting of MYSQL_PORT is assumed. If you have
                      not tinkered with configure options, this should be 3306.
                      The value in master.info will take precedence if it can
                      be read.
  --master-retry-count=#
                      The number of tries the slave will make to connect to the
                      master before giving up.
  --master-ssl        Enable the slave to connect to the master using SSL.
  --master-ssl-ca[=name]
                      Master SSL CA file. Only applies if you have enabled
                      master-ssl.
  --master-ssl-capath[=name]
                      Master SSL CA path. Only applies if you have enabled
                      master-ssl.
  --master-ssl-cert[=name]
                      Master SSL certificate file name. Only applies if you
                      have enabled master-ssl
  --master-ssl-cipher[=name]
                      Master SSL cipher. Only applies if you have enabled
                      master-ssl.
  --master-ssl-key[=name]
                      Master SSL keyfile name. Only applies if you have enabled
                      master-ssl.
  --master-user=name  The username the slave thread will use for authentication
                      when connecting to the master. The user must have FILE
                      privilege. If the master user is not set, user test is
                      assumed. The value in master.info will take precedence if
                      it can be read.
  --max-binlog-dump-events=#
                      Option used by mysql-test for debugging and testing of
                      replication.
  --max_allowed_packet=#
                      Max packetlength to send/receive from to server.
  --max_binlog_cache_size=#
                      Can be used to restrict the total size used to cache a
                      multi-transaction query.
  --max_binlog_size=# Binary log will be rotated automatically when the size
                      exceeds this value. Will also apply to relay logs if
                      max_relay_log_size is 0. The minimum value for this
                      variable is 4096.
  --max_connections=# The number of simultaneous clients allowed.
  --max_connect_errors=#
                      If there is more than this number of interrupted
                      connections from a host this host will be blocked from
                      further connections.
  --max_delayed_threads=#
                      Don't start more than this number of threads to handle
                      INSERT DELAYED statements. If set to zero, which means
                      INSERT DELAYED is not used.
  --max_error_count=# Max number of errors/warnings to store for a statement.
  --max_heap_table_size=#
                      Don't allow creation of heap tables bigger than this.
  --max_join_size=#   Joins that are probably going to read more than
                      max_join_size records return an error.
  --max_length_for_sort_data=#
                      Max number of bytes in sorted records.
  --max_prepared_stmt_count=#
                      Maximum number of prepared statements in the server.
  --max_relay_log_size=#
                      If non-zero: relay log will be rotated automatically when
                      the size exceeds this value; if zero (the default): when
                      the size exceeds max_binlog_size. 0 excepted, the minimum
                      value for this variable is 4096.
  --max_seeks_for_key=#
                      Limit assumed max number of seeks when looking up rows
                      based on a key
  --max_sort_length=# The number of bytes to use when sorting BLOB or TEXT
                      values (only the first max_sort_length bytes of each
                      value are used; the rest are ignored).
  --max_sp_recursion_depth[=#]
                      Maximum stored procedure recursion depth. (discussed with
                      docs).
  --max_tmp_tables=#  Maximum number of temporary tables a client can keep open
                      at a time.
  --max_user_connections=#
                      The maximum number of active connections for a single
                      user (0 = no limit).
  --max_write_lock_count=#
                      After this many write locks, allow some read locks to run
                      in between.
  --memlock           Lock mysqld in memory.
  --min_examined_row_limit=#
                      Don't log queries which examine less than
                      min_examined_row_limit rows to file.
  --multi_range_count=#
                      Number of key ranges to request at once.
  --myisam-recover[=name]
                      Syntax: myisam-recover[=option[,option...]], where option
                      can be DEFAULT, BACKUP, FORCE or QUICK.
  --myisam_block_size=#
                      Block size to be used for MyISAM index pages.
  --myisam_data_pointer_size=#
                      Default pointer size to be used for MyISAM tables.
  --myisam_max_extra_sort_file_size=#
                      Deprecated option
  --myisam_max_sort_file_size=#
                      Don't use the fast sort index method to created index if
                      the temporary file would get bigger than this.
  --myisam_repair_threads=#
                      Number of threads to use when repairing MyISAM tables.
                      The value of 1 disables parallel repair.
  --myisam_sort_buffer_size=#
                      The buffer that is allocated when sorting the index when
                      doing a REPAIR or when creating indexes with CREATE INDEX
                      or ALTER TABLE.
  --myisam_stats_method=name
                      Specifies how MyISAM index statistics collection code
                      should threat NULLs. Possible values of name are
                      "nulls_unequal" (default behavior for 4.1/5.0),
                      "nulls_equal" (emulate 4.0 behavior), and
                      "nulls_ignored".
  --myisam_use_mmap   Use memory mapping for reading and writing MyISAM tables
  --ndb-use-copying-alter-table
                      Force ndbcluster to always copy tables at alter table
                      (should only be used if on-line alter table fails).
  --net_buffer_length=#
                      Buffer length for TCP/IP and socket communication.
  --net_read_timeout=#
                      Number of seconds to wait for more data from a connection
                      before aborting the read.
  --net_retry_count=# If a read on a communication port is interrupted, retry
                      this many times before giving up.
  --net_write_timeout=#
                      Number of seconds to wait for a block to be written to a
                      connection  before aborting the write.
  -n, --new           Use very new possible 'unsafe' functions.
  --old               Use compatible behavior.
  --old-alter-table   Use old, non-optimized alter table.
  --old-passwords     Use old password encryption method (needed for 4.0 and
                      older clients).
  --old-style-user-limits
                      Enable old-style user limits (before 5.0.3 user resources
                      were counted per each user+host vs. per account)
  --one-thread        (deprecated): Only use one thread (for debugging under
                      Linux). Use thread-handling=no-threads instead
  --open_files_limit=#
                      If this is not 0, then mysqld will use this value to
                      reserve file descriptors to use with setrlimit(). If this
                      value is 0 then mysqld will reserve max_connections*5 or
                      max_connections + table_cache*2 (whichever is larger)
                      number of files.
  --optimizer_prune_level[=#]
                      Controls the heuristic(s) applied during query
                      optimization to prune less-promising partial plans from
                      the optimizer search space. Meaning: 0 - do not apply any
                      heuristic, thus perform exhaustive search; 1 - prune
                      plans based on number of retrieved rows.
  --optimizer_search_depth[=#]
                      Maximum depth of search performed by the query optimizer.
                      Values larger than the number of relations in a query
                      result in better query plans, but take longer to compile
                      a query. Smaller values than the number of tables in a
                      relation result in faster optimization, but may produce
                      very bad query plans. If set to 0, the system will
                      automatically pick a reasonable value; if set to
                      MAX_TABLES+2, the optimizer will switch to the original
                      find_best (used for testing/comparison).
  --optimizer_switch=name
                      optimizer_switch=option=val[,option=val...], where
                      option={index_merge, index_merge_union,
                      index_merge_sort_union, index_merge_intersection} and
                      val={on, off, default}.
  --pid-file=name     Pid file used by safe_mysqld.
  --plugin-load=name  Optional colon-separated list of plugins to load, where
                      each plugin is identified as name=library, where name is
                      the plugin name and library is the plugin library in
                      plugin_dir.
  --plugin_dir=name   Directory for plugins.
  -P, --port=#        Port number to use for connection or 0 for default to, in
                      order of preference, my.cnf, $MYSQL_TCP_PORT,
                      /etc/services, built-in default (3306).
  --port-open-timeout=#
                      Maximum time in seconds to wait for the port to become
                      free. (Default: no wait)
  --preload_buffer_size=#
                      The size of the buffer that is allocated when preloading
                      indexes
  --profiling_history_size=#
                      Limit of query profiling memory
  --query_alloc_block_size=#
                      Allocation block size for query parsing and execution
  --query_cache_limit=#
                      Don't cache results that are bigger than this.
  --query_cache_min_res_unit=#
                      minimal size of unit in wich space for results is
                      allocated (last unit will be trimed after writing all
                      result data.
  --query_cache_size=#
                      The memory allocated to store results from old queries.
  --query_cache_type=#
                      0 = OFF = Don't cache or retrieve results. 1 = ON = Cache
                      all results except SELECT SQL_NO_CACHE ... queries. 2 =
                      DEMAND = Cache only SELECT SQL_CACHE ... queries.
  --query_cache_wlock_invalidate
                      Invalidate queries in query cache on LOCK for write
  --query_prealloc_size=#
                      Persistent buffer for query parsing and execution
  --range_alloc_block_size=#
                      Allocation block size for storing ranges during
                      optimization
  --read_buffer_size=#
                      Each thread that does a sequential scan allocates a
                      buffer of this size for each table it scans. If you do
                      many sequential scans, you may want to increase this
                      value.
  --read_only         Make all non-temporary tables read-only, with the
                      exception for replication (slave) threads and users with
                      the SUPER privilege
  --read_rnd_buffer_size=#
                      When reading rows in sorted order after a sort, the rows
                      are read through this buffer to avoid a disk seeks. If
                      not set, then it's set to the value of record_buffer.
  --record_buffer=#   Alias for read_buffer_size
  --relay-log=name    The location and name to use for relay logs.
  --relay-log-index=name
                      The location and name to use for the file that keeps a
                      list of the last relay logs.
  --relay-log-info-file=name
                      The location and name of the file that remembers where
                      the SQL replication thread is in the relay logs.
  --relay_log_purge   0 = do not purge relay logs. 1 = purge them as soon as
                      they are no more needed.
  --relay_log_space_limit=#
                      Maximum space to use for all relay logs.
  --replicate-do-db=name
                      Tells the slave thread to restrict replication to the
                      specified database. To specify more than one database,
                      use the directive multiple times, once for each database.
                      Note that this will only work if you do not use
                      cross-database queries such as UPDATE some_db.some_table
                      SET foo='bar' while having selected a different or no
                      database. If you need cross database updates to work,
                      make sure you have 3.23.28 or later, and use
                      replicate-wild-do-table=db_name.%.
  --replicate-do-table=name
                      Tells the slave thread to restrict replication to the
                      specified table. To specify more than one table, use the
                      directive multiple times, once for each table. This will
                      work for cross-database updates, in contrast to
                      replicate-do-db.
  --replicate-ignore-db=name
                      Tells the slave thread to not replicate to the specified
                      database. To specify more than one database to ignore,
                      use the directive multiple times, once for each database.
                      This option will not work if you use cross database
                      updates. If you need cross database updates to work, make
                      sure you have 3.23.28 or later, and use
                      replicate-wild-ignore-table=db_name.%.
  --replicate-ignore-table=name
                      Tells the slave thread to not replicate to the specified
                      table. To specify more than one table to ignore, use the
                      directive multiple times, once for each table. This will
                      work for cross-datbase updates, in contrast to
                      replicate-ignore-db.
  --replicate-rewrite-db=name
                      Updates to a database with a different name than the
                      original. Example:
                      replicate-rewrite-db=master_db_name->slave_db_name.
  --replicate-same-server-id
                      In replication, if set to 1, do not skip events having
                      our server id. Default value is 0 (to break infinite
                      loops in circular replication). Can't be set to 1 if
                      --log-slave-updates is used.
  --replicate-wild-do-table=name
                      Tells the slave thread to restrict replication to the
                      tables that match the specified wildcard pattern. To
                      specify more than one table, use the directive multiple
                      times, once for each table. This will work for
                      cross-database updates. Example:
                      replicate-wild-do-table=foo%.bar% will replicate only
                      updates to tables in all databases that start with foo
                      and whose table names start with bar.
  --replicate-wild-ignore-table=name
                      Tells the slave thread to not replicate to the tables
                      that match the given wildcard pattern. To specify more
                      than one table to ignore, use the directive multiple
                      times, once for each table. This will work for
                      cross-database updates. Example:
                      replicate-wild-ignore-table=foo%.bar% will not do updates
                      to tables in databases that start with foo and whose
                      table names start with bar.
  --report-host=name  Hostname or IP of the slave to be reported to to the
                      master during slave registration. Will appear in the
                      output of SHOW SLAVE HOSTS. Leave unset if you do not
                      want the slave to register itself with the master. Note
                      that it is not sufficient for the master to simply read
                      the IP of the slave off the socket once the slave
                      connects. Due to NAT and other routing issues, that IP
                      may not be valid for connecting to the slave from the
                      master or other hosts.
  --report-password=name
                      Undocumented.
  --report-port=#     Port for connecting to slave reported to the master
                      during slave registration. Set it only if the slave is
                      listening on a non-default port or if you have a special
                      tunnel from the master or other clients to the slave. If
                      not sure, leave this option unset.
  --report-user=name  Undocumented.
  --rpl-recovery-rank=#
                      Undocumented.
  --safe-mode         Skip some optimize stages (for testing).
  --safe-show-database
                      Deprecated option; use GRANT SHOW DATABASES instead...
  --safe-user-create  Don't allow new user creation by the user who has no
                      write privileges to the mysql.user table.
  --safemalloc-mem-limit=#
                      Simulate memory shortage when compiled with the
                      --with-debug=full option.
  --secure-auth       Disallow authentication for accounts that have old
                      (pre-4.1) passwords.
  --secure-file-priv=name
                      Limit LOAD DATA, SELECT ... OUTFILE, and LOAD_FILE() to
                      files within specified directory
  --server-id=#       Uniquely identifies the server instance in the community
                      of replication partners.
  -O, --set-variable=name
                      Change the value of a variable. Please note that this
                      option is deprecated;you can set variables directly with
                      --variable-name=value.
  --shared-memory     Enable the shared memory.
  --shared-memory-base-name=name
                      Base name of shared memory.
  --show-slave-auth-info
                      Show user and password in SHOW SLAVE HOSTS on this master
  --skip-grant-tables Start without grant tables. This gives all users FULL
                      ACCESS to all tables!
  --skip-host-cache   Don't cache host names.
  --skip-locking      Deprecated option, use --skip-external-locking instead.
  --skip-name-resolve Don't resolve hostnames. All hostnames are IP's or
                      'localhost'.
  --skip-networking   Don't allow connection with TCP/IP.
  --skip-new          Don't use new, possible wrong routines.
  --skip-show-database
                      Don't allow 'SHOW DATABASE' commands.
  --skip-slave-start  If set, slave is not autostarted.
  --skip-stack-trace  Don't print a stack trace on failure.
  --skip-symlink      Don't allow symlinking of tables. Deprecated option.  Use
                      --skip-symbolic-links instead.
  --skip-thread-priority
                      Don't give threads different priorities. Deprecated
                      option.
  --slave-exec-mode=name
                      Modes for how replication events should be executed.
                      Legal values are STRICT (default) and IDEMPOTENT. In
                      IDEMPOTENT mode, replication will not stop for operations
                      that are idempotent. In STRICT mode, replication will
                      stop on any unexpected difference between the master and
                      the slave.
  --slave-load-tmpdir=name
                      The location where the slave should put its temporary
                      files when replicating a LOAD DATA INFILE command.
  --slave-skip-errors=name
                      Tells the slave thread to continue replication when a
                      query event returns an error from the provided list.
  --slave_compressed_protocol
                      Use compression on master/slave protocol.
  --slave_net_timeout=#
                      Number of seconds to wait for more data from a
                      master/slave connection before aborting the read.
  --slave_transaction_retries=#
                      Number of times the slave SQL thread will retry a
                      transaction in case it failed with a deadlock or elapsed
                      lock wait timeout, before giving up and stopping.
  --slow-query-log    Enable|disable slow query log
  --slow_launch_time=#
                      If creating the thread takes longer than this value (in
                      seconds), the Slow_launch_threads counter will be
                      incremented.
  --slow_query_log_file=name
                      Log slow queries to given log file. Defaults logging to
                      hostname-slow.log. Must be enabled to activate other slow
                      log options.
  --socket=name       Socket file to use for connection.
  --sort_buffer_size=#
                      Each thread that needs to do a sort allocates a buffer of
                      this size.
  --sporadic-binlog-dump-fail
                      Option used by mysql-test for debugging and testing of
                      replication.
  --sql-bin-update-same=#
                      The update log is deprecated since version 5.0, is
                      replaced by the binary log and this option does nothing
                      anymore.
  --sql-mode=name     Syntax: sql-mode=option[,option[,option...]] where option
                      can be one of: REAL_AS_FLOAT, PIPES_AS_CONCAT,
                      ANSI_QUOTES, IGNORE_SPACE, ONLY_FULL_GROUP_BY,
                      NO_UNSIGNED_SUBTRACTION.
  --ssl               Enable SSL for connection (automatically enabled with
                      other flags). Disable with --skip-ssl.
  --ssl-ca=name       CA file in PEM format (check OpenSSL docs, implies
                      --ssl).
  --ssl-capath=name   CA directory (check OpenSSL docs, implies --ssl).
  --ssl-cert=name     X509 cert in PEM format (implies --ssl).
  --ssl-cipher=name   SSL cipher to use (implies --ssl).
  --ssl-key=name      X509 key in PEM format (implies --ssl).
  --standalone        Dummy option to start as a standalone program (NT).
  -s, --symbolic-links
                      Enable symbolic link support.
  --sync-binlog=#     Synchronously flush binary log to disk after every #th
                      event. Use 0 (default) to disable synchronous flushing.
  --sync-frm          Sync .frm to disk on create. Enabled by default.
  --sysdate-is-now    Non-default option to alias SYSDATE() to NOW() to make it
                      safe-replicable. Since 5.0, SYSDATE() returns a `dynamic'
                      value different for different invocations, even within
                      the same statement.
  --table_cache=#     Deprecated; use --table_open_cache instead.
  --table_definition_cache=#
                      The number of cached table definitions.
  --table_lock_wait_timeout=#
                      Timeout in seconds to wait for a table level lock before
                      returning an error. Used only if the connection has
                      active cursors.
  --table_open_cache=#
                      The number of cached open tables.
  --tc-heuristic-recover=name
                      Decision to use in heuristic recover process. Possible
                      values are COMMIT or ROLLBACK.
  --temp-pool         This option is ignored on this OS.
  --thread_cache_size=#
                      How many threads we should keep in a cache for reuse.
  --thread_concurrency=#
                      Permits the application to give the threads system a hint
                      for the desired number of threads that should be run at
                      the same time.
  --thread_handling=name
                      Define threads usage for handling queries:
                      one-thread-per-connection or no-threads
  --thread_stack=#    The stack size for each thread.
  --timed_mutexes     Specify whether to time mutexes (only InnoDB mutexes are
                      currently supported)
  --time_format=name  The TIME format (for future).
  -t, --tmpdir=name   Path for temporary files. Several paths may be specified,
                      separated by a semicolon (;), in this case they are used
                      in a round-robin fashion.
  --tmp_table_size=#  If an internal in-memory temporary table exceeds this
                      size, MySQL will automatically convert it to an on-disk
                      MyISAM table.
  --transaction-isolation=name
                      Default transaction isolation level.
  --transaction_alloc_block_size=#
                      Allocation block size for transactions to be stored in
                      binary log
  --transaction_prealloc_size=#
                      Persistent buffer for transactions to be stored in binary
                      log
  --updatable_views_with_limit=#
                      1 = YES = Don't issue an error message (warning only) if
                      a VIEW without presence of a key of the underlying table
                      is used in queries with a LIMIT clause for updating. 0 =
                      NO = Prohibit update of a VIEW, which does not contain a
                      key of the underlying table and the query uses a LIMIT
                      clause (usually get from GUI tools).
  -s, --use-symbolic-links
                      Enable symbolic link support. Deprecated option; use
                      --symbolic-links instead.
  -u, --user=name     Run mysqld daemon as user.
  -v, --verbose       Used with --help option for detailed help
  -V, --version       Output version information and exit.
  --wait_timeout=#    The number of seconds the server waits for activity on a
                      connection before closing it.
  -W, --warnings[=#]  Deprecated; use --log-warnings instead.


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