# Other default tuning values # MySQL Server Instance Configuration File # ---------------------------------------------------------------------- # Generated by the MySQL Server Instance Configuration Wizard # # # Installation Instructions # ---------------------------------------------------------------------- # # On Linux you can copy this file to /etc/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options # (@localstatedir@ for this installation) or to # ~/.my.cnf to set user-specific options. # # On Windows you should keep this file in the installation directory # of your server (e.g. C:\Program Files\MySQL\MySQL Server X.Y). To # make sure the server reads the config file use the startup option # "--defaults-file". # # To run run the server from the command line, execute this in a # command line shell, e.g. # mysqld --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini" # # To install the server as a Windows service manually, execute this in a # command line shell, e.g. # mysqld --install MySQLXY --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini" # # And then execute this in a command line shell to start the server, e.g. # net start MySQLXY # # # Guildlines for editing this file # ---------------------------------------------------------------------- # # In this file, you can use all long options that the program supports. # If you want to know the options a program supports, start the program # with the "--help" option. # # More detailed information about the individual options can also be # found in the manual. # # # CLIENT SECTION # ---------------------------------------------------------------------- # # The following options will be read by MySQL client applications. # Note that only client applications shipped by MySQL are guaranteed # to read this section. If you want your own MySQL client program to # honor these values, you need to specify it as an option during the # MySQL client library initialization. # [client] port=3306 [mysql] disable-auto-rehash port=3306 default-character-set=latin1 # SERVER SECTION # ---------------------------------------------------------------------- # # The following options will be read by the MySQL Server. Make sure that # you have installed the server correctly (see above) so it reads this # file. # [mysqld] innodb_force_recovery=0 innodb_change_buffering=none innodb_purge_threads=1 innodb_autoinc_lock_mode=2 stack-trace core-file plugin_load_add = auth_gssapi # The TCP/IP Port the MySQL Server will listen on port=3306 # Path to installation directory. All paths are usually resolved relative to this. #basedir="C:/Program Files/MariaDB 5.5/" # Path to the database root datadir=J:/MySQL/Data/ tmpdir=I:/Temp/ #Enter a name for the error log file. Otherwise a default name will be used. #log-error=C:/Program Files/MySQL/MySQL Server 5.5/mysqlerrorlog.err #log-error="C:/Program Files/MariaDB 5.5/mysqlerrorlog.err" log-error=J:/MySQL/mysqlerrorlog.err #general-log=ON # The default storage engine that will be used when create new tables when no engin is given default-storage-engine=MYISAM #Client error messages in given language. May be given as a full path. #language=C:/Program Files/MySQL/MySQL Server 5.5/share/german # The default character set that will be used when a new schema or table is # created and no character set is defined character-set-server=latin1 # Set the SQL mode to strict #sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION" sql-mode="ALLOW_INVALID_DATES,STRICT_ALL_TABLES,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION" log_bin_trust_function_creators=1; # The maximum amount of concurrent sessions the MySQL server will # allow. One of these connections will be reserved for a user with # SUPER privileges to allow the administrator to login even if the # connection limit has been reached. max_connections=200 # Query cache is used to cache SELECT results and later return them # without actual executing the same query once again. Having the query # cache enabled may result in significant speed improvements, if your # have a lot of identical queries and rarely changing tables. See the # "Qcache_lowmem_prunes" status variable to check if the current value # is high enough for your load. # Note: In case your tables change very often or if your queries are # textually different every time, the query cache may result in a # slowdown instead of a performance improvement. query_cache_size=64M # The number of open tables for all threads. Increasing this value # increases the number of file descriptors that mysqld requires. # Therefore you have to make sure to set the amount of open files # allowed to at least 4096 in the variable "open-files-limit" in # section [mysqld_safe] table_open_cache=16384 table_definition_cache=16384 #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. # open_files_limit=2048 # Maximum size for internal (in-memory) temporary tables. If a table # grows larger than this value, it is automatically converted to disk # based table This limitation is for a single table. There can be many # of them. # SET GLOBAL tmp_table_size = (@@global.tmp_table_size + 4*1024*1024); tmp_table_size=512M # How many threads we should keep in a cache for reuse. When a client # disconnects, the client's threads are put in the cache if there aren't # more than thread_cache_size threads from before. This greatly reduces # the amount of thread creations needed if you have a lot of new # connections. (Normally this doesn't give a notable performance # improvement if you have a good thread implementation.) # set global thread_cache_size=16; thread_cache_size=16 #*** MyISAM Specific options # The maximum size of the temporary file MySQL is allowed to use while # recreating the index (during REPAIR, ALTER TABLE or LOAD DATA INFILE. # If the file-size would be bigger than this, the index will be created # through the key cache (which is slower). myisam_max_sort_file_size=100G # If the temporary file used for fast index creation would be bigger # than using the key cache by the amount specified here, then prefer the # key cache method. This is mainly used to force long character keys in # large tables to use the slower key cache method to create the index. myisam_sort_buffer_size=1G # Size of the Key Buffer, used to cache index blocks for MyISAM tables. # Do not set it larger than 30% of your available memory, as some memory # is also required by the OS to cache rows. Even if you're not using # MyISAM tables, you should still set it to 8-64M as it will also be # used for internal temporary disk tables. # SET GLOBAL key_buffer_size = (@@global.key_buffer_size + 16*1024*1024); # set global read_buffer_size = 2147483648; 2097152 - 2MB # key_buffer_size=8M key_buffer_size=8G multi_key_buffer0.key_buffer_size=1G multi_key_buffer1.key_buffer_size=1G multi_key_buffer2.key_buffer_size=1G multi_key_buffer3.key_buffer_size=1G multi_key_buffer4.key_buffer_size=1G multi_key_buffer5.key_buffer_size=1G multi_key_buffer6.key_buffer_size=1G multi_key_buffer7.key_buffer_size=1G multi_key_buffer8.key_buffer_size=1G multi_key_buffer9.key_buffer_size=1G multi_key_buffer10.key_buffer_size=1G multi_key_buffer11.key_buffer_size=1G multi_key_buffer12.key_buffer_size=1G multi_key_buffer13.key_buffer_size=1G multi_key_buffer14.key_buffer_size=1G multi_key_buffer15.key_buffer_size=1G key_cache_segments=16 multi_key_buffer0.key_cache_segments=16 multi_key_buffer1.key_cache_segments=16 multi_key_buffer2.key_cache_segments=16 multi_key_buffer3.key_cache_segments=16 multi_key_buffer4.key_cache_segments=16 multi_key_buffer5.key_cache_segments=16 multi_key_buffer6.key_cache_segments=16 multi_key_buffer7.key_cache_segments=16 multi_key_buffer8.key_cache_segments=16 multi_key_buffer9.key_cache_segments=16 multi_key_buffer10.key_cache_segments=16 multi_key_buffer11.key_cache_segments=16 multi_key_buffer12.key_cache_segments=16 multi_key_buffer13.key_cache_segments=16 multi_key_buffer14.key_cache_segments=16 multi_key_buffer15.key_cache_segments=16 #The default size of key cache blocks key_cache_block_size=4096 multi_key_buffer0.key_cache_block_size=4096 multi_key_buffer1.key_cache_block_size=4096 multi_key_buffer2.key_cache_block_size=4096 multi_key_buffer3.key_cache_block_size=4096 multi_key_buffer4.key_cache_block_size=4096 multi_key_buffer5.key_cache_block_size=4096 multi_key_buffer6.key_cache_block_size=4096 multi_key_buffer7.key_cache_block_size=4096 multi_key_buffer8.key_cache_block_size=4096 multi_key_buffer9.key_cache_block_size=4096 multi_key_buffer10.key_cache_block_size=4096 multi_key_buffer11.key_cache_block_size=4096 multi_key_buffer12.key_cache_block_size=4096 multi_key_buffer13.key_cache_block_size=4096 multi_key_buffer14.key_cache_block_size=4096 multi_key_buffer15.key_cache_block_size=4096 # Size of the buffer used for doing full table scans of MyISAM tables. # Allocated per thread, if a full scan is needed. read_buffer_size=2M read_rnd_buffer_size=32M # This buffer is allocated when MySQL needs to rebuild the index in # REPAIR, OPTIMZE, ALTER table statements as well as in LOAD DATA INFILE # into an empty table. It is allocated per thread so be careful with # large settings. sort_buffer_size=64M #*** INNODB Specific options *** # Use this option if you have a MySQL server with InnoDB support enabled # but you do not plan to use it. This will save memory and disk space # and speed up some things. #skip-innodb # Additional memory pool that is used by InnoDB to store metadata # information. If InnoDB requires more memory for this purpose it will # start to allocate it from the OS. As this is fast enough on most # recent operating systems, you normally do not need to change this # value. SHOW INNODB STATUS will display the current amount used. ## gibts nicht mehr seit 10.2 ##innodb_additional_mem_pool_size=32M # If set to 1, InnoDB will flush (fsync) the transaction logs to the # disk at each commit, which offers full ACID behavior. If you are # willing to compromise this safety, and you are running small # transactions, you may set this to 0 or 2 to reduce disk I/O to the # logs. Value 0 means that the log is only written to the log file and # the log file flushed to disk approximately once per second. Value 2 # means the log is written to the log file at each commit, but the log # file is only flushed to disk approximately once per second. innodb_flush_log_at_trx_commit=2 # The size of the buffer InnoDB uses for buffering log data. As soon as # it is full, InnoDB will have to flush it to disk. As it is flushed # once per second anyway, it does not make sense to have it very large # (even with long transactions). innodb_log_buffer_size=16M # InnoDB, unlike MyISAM, uses a buffer pool to cache both indexes and # row data. The bigger you set this the less disk I/O is needed to # access data in tables. On a dedicated database server you may set this # parameter up to 80% of the machine physical memory size. Do not set it # too large, though, because competition of the physical memory may # cause paging in the operating system. Note that on 32bit systems you # might be limited to 2-3.5G of user level memory per process, so do not # set it too high. #innodb_buffer_pool_size=256M innodb_buffer_pool_size=20G # Size of each log file in a log group. You should set the combined size # of log files to about 25%-100% of your buffer pool size to avoid # unneeded buffer pool flush activity on log file overwrite. However, # note that a larger logfile size will increase the time needed for the # recovery process. #innodb_log_file_size=10M innodb_log_file_size=5G # Number of threads allowed inside the InnoDB kernel. The optimal value # depends highly on the application, hardware as well as the OS # scheduler properties. A too high value may lead to thread thrashing. innodb_thread_concurrency=0 # Um beim Upgrade von 10.4 auf 10.5 sicher zu gehen innodb_fast_shutdown=0 innodb_buffer_pool_dump_at_shutdown=OFF innodb_buffer_pool_load_at_startup=OFF #The stack size for each thread. thread_stack=1M #Size of tree cache used in bulk insert optimisation. Note that this is a limit per thread! bulk_insert_buffer_size=16M #The size of the buffer that is used for full joins. join_buffer_size=1M #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_cache_size=1M #Max packetlength to send/receive from to server. max_allowed_packet=2M #The number of seconds the mysqld server is waiting for a connect packet before responding with 'Bad handshake' connect_timeout=3600 #Number of seconds to wait for more data from a connection before aborting the read net_read_timeout=3600 #Number of seconds to wait for a block to be written to a connection before aborting the writ net_write_timeout=3600 #Don't cache results that are bigger than this. query_cache_limit=10M #This option makes InnoDB to store each created table into its own .ibd file. innodb_file_per_table=1 #Number of file I/O threads in InnoDB. Normally, this should be 4, but on Windows disk I/O may benefit from a larger number. #innodb_file_io_threads=8 ab MySQL 5.5 nicht mehr benutzt, man sollte innodb_read_io_threads und innodb_write_io_threads benutzen. innodb_read_io_threads=4 innodb_write_io_threads=4 #Block size to be used for MyISAM index pages. myisam_block_size=4096 #Number of threads to use when repairing MyISAM tables.The value of 1 disables parallel repair. myisam_repair_threads=1 #Paths to individual datafiles and their sizes. #innodb_data_file_path=ibdata1:295698432:autoextend #If no specific storage engine/table type is defined in an SQL-Create statement the default type will be used. #Used to help MySQL to decide when to use the slow but safe key cache index create method. #myisam_max_extra_sort_file_size=256k #Set the default character set. #default-character-set=latin1 #Set the default collation. #default-collation=latin1_bin max_heap_table_size=512M [mysqld-safe] core-file-size=unlimited [mysqldump] quick max_allowed_packet=16M [isamchk] key_buffer=128M sort_buffer_size=128M read_buffer=2M write_buffer=2M [myisamchk] key_buffer_size=4G sort_buffer_size=1G read_buffer_size=64M write_buffer_size=64M myisam_block_size=4096 key_cache_block_size=4096 [mysqlhotcopy] interactive-timeout