[mysqld] datadir =d:/TempMesserli56/Daten/mdbs tmpdir =d:/TempMesserli56/Daten/temp port =3356 character-set-server=latin1 collation-server=latin1_general_ci slow_query_log #log_queries_not_using_indexes skip-external-locking skip-symbolic-links skip-name-resolve max_connections=200 table_open_cache=512 max_allowed_packet=128M lower_case_table_names=1 innodb_file_per_table innodb_fast_shutdown=0 # 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 = 16M # 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. # tmp_table_size = 32M # 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. # key_buffer_size = 64M # 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 = 1M # read_rnd_buffer_size = 1M # 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 = 1M # myisam_sort_buffer_size = 8M #sort_buffer_size=4M # Try number of CPU's*2 for thread_concurrency # thread_concurrency = 8 # 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=128M # 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. #innodb_additional_mem_pool_size=16M # Total number of files in the log group. A value of 2-3 is usually good # enough. innodb_log_files_in_group = 3 # # 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=64M # 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=8M # 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=1 # How long an InnoDB transaction should wait for a lock to be granted # before being rolled back. InnoDB automatically detects transaction # deadlocks in its own lock table and rolls back the transaction. If you # use the LOCK TABLES command, or other transaction-safe storage engines # than InnoDB in the same transaction, then a deadlock may arise which # InnoDB cannot notice. In cases like this the timeout is useful to # resolve the situation. innodb_lock_wait_timeout = 120 # 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 = 16 # # End of File #