Configuring the MySQL x64 server for working with Kaspersky Security Center 15.1

If you use the MySQL DBMS for Kaspersky Security Center, enable support of InnoDB and MEMORY storage and of UTF-8 and UCS-2 encodings.

Recommended settings for the my.ini file

To configure the my.ini file:

1. Open the my.ini file in a text editor.
2. Add the following lines into the [mysqld] section of the my.ini file:

   sort_buffer_size=10M

   join_buffer_size=20M

   tmp_table_size=600M

   max_heap_table_size=600M

   key_buffer_size=200M

   innodb_buffer_pool_size=the real value must be no less than 80% of the expected KAV database size

   innodb_thread_concurrency=20

   innodb_flush_log_at_trx_commit=0 (in most cases, the server uses small transactions)

   innodb_lock_wait_timeout=300

   max_allowed_packet=32M

   max_connections=151

   max_prepared_stmt_count=12800

   table_open_cache=60000

   table_open_cache_instances=4

   table_definition_cache=60000

   Note that the memory specified in the innodb_buffer_pool_size value is allocated at server startup. If the database size is smaller than the specified buffer size, only the required memory is allocated. The actual size of allocated memory is approximately 10 percent greater than the specified buffer size. Refer to the MySQL documentation for details.

   It is recommended to use the parameter value innodb_flush_log_at_trx_commit = 0, because the values "1" or "2" negatively affect the operating speed of MySQL. Ensure that the innodb_file_per_table parameter is set to 1.

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