[mysqld] tmpdir=/home/mysqltmp back_log = 50 #skip-innodb max_connections = 1024 key_buffer_size = 3G myisam_sort_buffer_size = 256M myisam_max_sort_file_size = 2048M join_buffer_size = 4M read_buffer_size = 4M sort_buffer_size = 8M table_definition_cache = 10000 table_open_cache = 10000 thread_cache_size = 1024 wait_timeout = 60 interactive_timeout = 60 connect_timeout = 10 tmp_table_size = 640M max_heap_table_size = 640M max_allowed_packet = 256M max_seeks_for_key = 1000 group_concat_max_len = 1024 net_buffer_length = 16384 max_connect_errors = 100000 concurrent_insert = 2 read_rnd_buffer_size = 8M bulk_insert_buffer_size = 8M query_cache_limit = 0M query_cache_size = 0M query_cache_type = 0 query_prealloc_size = 262144 query_alloc_block_size = 65536 range_alloc_block_size = 4096 transaction_alloc_block_size = 8192 transaction_prealloc_size = 4096 default-storage-engine = MyISAM slow_query_log=0 long_query_time=1 slow_query_log_file=/var/lib/mysql/slowq.log # mysql 5.5.10 specific innodb_buffer_pool_instances=8 innodb_flush_method = O_DIRECT innodb_adaptive_flushing = 1 innodb_purge_threads=1 # innodb settings innodb_file_per_table = 1 innodb_open_files = 1000 innodb_data_home_dir = /var/lib/mysql/ibdatadir innodb_data_file_path= ibdata1:4G:autoextend innodb_buffer_pool_size = 4G innodb_additional_mem_pool_size = 32M innodb_log_group_home_dir = /var/lib/mysql/ibdlogdir innodb_log_files_in_group = 2 innodb_log_file_size = 128M innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 2 innodb_thread_concurrency = 0 innodb_lock_wait_timeout=50 innodb_flush_method = O_DIRECT innodb_support_xa=0 # 200 * # DISKS # plugin only innodb_io_capacity = 800 innodb_read_io_threads = 8 innodb_write_io_threads = 8 [mysqld_safe] nice = -10 open-files-limit = 8192 [mysqldump] quick max_allowed_packet = 256M [myisamchk] key_buffer_size = 1G sort_buffer_size = 32M read_buffer_size = 32M write_buffer_size = 32M [mysqlhotcopy] interactive-timeout