InnoDB Buffer Pool大小始终为innodb_buffer_pool_chunk_size * innodb_buffer_pool_instances的倍数,如果不为倍数关系时,会自动修改为倍数关系。例如innodb_buffer_pool_chunk_size * innodb_buffer_pool_instances = 1 GB,如果将innodb_buffer_poo
The functionality described below was disabled inMariaDB 10.5, and removed inMariaDB 10.6, as the original reasons for for splitting the buffer pool have mostly gone away. If innodb_buffer_pool_size is set to more than 1GB,innodb_buffer_pool_instancesdivides the InnoDB buffer pool into a spec...
innodb_buffer_pool_instances=2 内存缓冲池实例数,将innodb_buffer_pool_size配置的内存分割成N份,此参数当配置内存大小于1G时才生效,当数据库有多个会话进行数据库操作时,用于并行在多个内存块中处理任务,一般配置值<=服务器CPU的个数。 innodb_log_buffer_size=128M 日志缓冲区大小,一般不用设置太大,能存下1...
buffer pool 的大小首先受 innodb_buffer_pool_instances 影响, 当然影响较小。 【 innodb_buffer_pool_instances 】 buffer pool 被划分为多个缓存实例的数量, 为固定值,不动态变更。当较多数据加载到内存时, 使用多缓存实例能减少缓存争用情况。当 innodb_buffer_pool_size 大于 1GB 时, innodb_buffer_pool_inst...
innodb_buffer_pool_instances=12skip_name_resolve query_cache_type=1 设置慢查询日志 作用:可以把数据库执行速度比较慢的sql语句记录到文件当中,方便分析 [mysqld] slow_query_log=1#开启慢查询日志 slow_query_log_file=/tmp/mysql_query.log #这是记录慢查询日志的路径 ...
innodb_buffer_pool_instances=2 内存缓冲池实例数,将innodb_buffer_pool_size配置的内存分割成N份,此参数当配置内存大小于1G时才生效,当数据库有多个会话进行数据库操作时,用于并行在多个内存块中处理任务,一般配置值<=服务器CPU的个数。 innodb_log_buffer_size=32M ...
The size of each page in the Buffer Pool depends on the value of the innodb_page_size system variable. In versions up to MariaDB Enterprise Server 10.4 and MariaDB Community Server 10.4, the Buffer Pool is divided into multiple instances. The number of instances is configured by the innodb...
innodb_autoextend_increment = 500 innodb_log_group_home_dir = /data/mariadb/data innodb_buffer_pool_size = 8G innodb_buffer_pool_dump_at_shutdown= 1 innodb_buffer_pool_load_at_startup= 1 innodb_buffer_pool_instances = 8 innodb_additional_mem_pool_size= 128M ...
innodb_log_group_home_dir = /data/mariadb/data innodb_buffer_pool_size = 8G innodb_buffer_pool_dump_at_shutdown= 1 innodb_buffer_pool_load_at_startup= 1 innodb_buffer_pool_instances = 8 innodb_additional_mem_pool_size= 128M innodb_log_files_in_group = 3 ...
innodb_write_io_threads = 8 innodb_purge_threads = 4 innodb_buffer_pool_load_at_startup = 1 innodb_buffer_pool_dump_at_shutdown = 1 innodb_buffer_pool_dump_pct=25 innodb_sort_buffer_size = 8M #innodb_page_cleaners = 8 innodb_buffer_pool_instances = 8 innodb_lock_wait_timeout = 10...