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 m
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_pool_size设置为1.5 GB,系统会自动修改innodb_bu...
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...
对于繁忙的服务器, buffer pool 将划分为多个实例以提高系统并发性, 减少线程间读写缓存的争用。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...
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 ...
innodb_buffer_pool_instances 默认为 8。 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 查询参数调优 --只有在query_cache_type=1的时候query_cache_size才生效 --设置成1代表查询的sql语句将被缓存,并且在下次调用相同的sql语句时直接从缓存里调,加快查询速度 ...
1.Buffer pool size must always be equal to or a multiple ofinnodb_buffer_pool_chunk_size*innodb_buffer_pool_instances. 2.Ifinnodb_buffer_pool_chunk_size*innodb_buffer_pool_instancesis larger than the current buffer pool size when the buffer pool is initialized,innodb_buffer_pool_chunk_sizeis...
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 ...
以下是XtraDB5.5 / InnoDB5.5 中新添加的选项. (Listed here just to have all XtraDB information in the same place未翻译) innodb_adaptive_flushing_method innodb_adaptive_hash_index_partitions innodb_blocking_buffer_pool_restore innodb_buffer_pool_instances ...