36 lines
1.1 KiB
INI
36 lines
1.1 KiB
INI
[mysqld]
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# 内存核心配置 (适配64GB内存)
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innodb_buffer_pool_size = 44G # 提升至物理内存的68%
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innodb_buffer_pool_instances = 16 # 匹配CPU核心数
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# 线程与连接优化 (适配281连接/64核心)
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thread_cache_size = 150 # 调整为连接数的一半
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innodb_thread_concurrency = 0 # 禁用并发限制，让MySQL自动管理
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innodb_read_io_threads = 16
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innodb_write_io_threads = 16
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# 每连接内存优化 (关键!)
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max_connections = 400
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sort_buffer_size = 512K # 原256K过低
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read_buffer_size = 256K
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read_rnd_buffer_size = 512K
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join_buffer_size = 512K
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thread_stack = 512K # 防止复杂查询溢出
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# 临时表与缓存优化
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tmp_table_size = 128M
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max_heap_table_size = 128M
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table_open_cache = 10000
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table_definition_cache = 4000
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# InnoDB日志优化 (SSD专用)
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innodb_log_file_size = 4G # 增大日志文件
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innodb_log_files_in_group = 2 # 共8GB日志
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innodb_io_capacity = 20000 # SSD优化
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innodb_io_capacity_max = 40000
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innodb_flush_method = O_DIRECT_NO_FSYNC
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# 超时与维护
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wait_timeout = 120
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interactive_timeout = 300
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innodb_purge_threads = 4 |