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44 lines
1.1 KiB
INI
44 lines
1.1 KiB
INI
[mysqld]
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# 连接和线程管理
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max_connections = 200 # 小机型避免连接风暴
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thread_cache_size = 64
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interactive_timeout = 20
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wait_timeout = 20
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# InnoDB设置
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innodb_buffer_pool_size = 512M # 2G RAM 中最重要的分配，留足系统空间
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innodb_buffer_pool_instances = 1 # 小内存不需要分片
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innodb_log_buffer_size = 8M
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innodb_redo_log_capacity = 64M
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innodb_lock_wait_timeout = 30
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innodb_file_per_table = 1
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innodb_flush_log_at_trx_commit = 1
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innodb_io_capacity = 400 # 普通SSD预期值
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innodb_io_capacity_max = 800
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# 缓存和表限制
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table_open_cache = 512
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open_files_limit = 20000
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tmp_table_size = 32M
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max_heap_table_size = 32M
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max_allowed_packet = 32M
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# 缓冲区大小
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sort_buffer_size = 2M
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read_buffer_size = 512K
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join_buffer_size = 1M
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# 日志管理
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log_error_verbosity = 3
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slow_query_log = 1
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slow_query_log_file = /var/log/mysql/slow.log
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long_query_time = 1
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log_queries_not_using_indexes = 1
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# 其他
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sql_mode=STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION
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performance_schema=ON
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disable-log-bin
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