文件名称：服务器硬件优化-内存的选择-mysql 性能优化技术总结
文件大小：2.14MB
文件格式：PPT
更新时间：2024-05-12 07:16:22
mysql 事务
服务器硬件优化-内存的选择 物理内存*75%= SET @kilo_bytes = 1024; SET @mega_bytes = @kilo_bytes * 1024; SET @giga_bytes = @mega_bytes * 1024; SET @innodb_buffer_pool_size = 2 * @giga_bytes; SET @innodb_additional_mem_pool_size = 16 * @mega_bytes; SET @innodb_log_buffer_size = 8 * @mega_bytes; SET @thread_stack = 192 * @kilo_bytes; SELECT ( @@key_buffer_size + @@query_cache_size + @@tmp_table_size + @innodb_buffer_pool_size + @innodb_additional_mem_pool_size + @innodb_log_buffer_size + @@max_connections * ( @@read_buffer_size + @@read_rnd_buffer_size + @@sort_buffer_size + @@join_buffer_size + @@binlog_cache_size + @thread_stack ) ) / @giga_bytes AS MAX_MEMORY_GB;