Mysql实例大幅优化MySQL查询性能的奇技淫巧

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MYSQL入门# files
?innodb_file_per_table
?innodb_log_file_size=1024M
?innodb_log_files_in_group = 3
?innodb_open_files=4000

MYSQL入门# buffers
?innodb_buffer_pool_size=32000M
?innodb_buffer_pool_instances=32
?innodb_additional_mem_pool_size=20M
?innodb_log_buffer_size=64M
?join_buffer_size=32K
?sort_buffer_size=32K

MYSQL入门# innodb
?innodb_checksums=0
?innodb_doublewrite=0
?innodb_support_xa=0
?innodb_thread_concurrency=0
?innodb_flush_log_at_trx_commit=2
?innodb_max_dirty_pages_pct=50
?innodb_use_native_aio=1
?innodb_stats_persistent = 1
?innodb_spin_wait_delay= 6 / 96

MYSQL入门# perf special
?innodb_adaptive_flushing = 1
?innodb_flush_neighbors = 0
?innodb_read_io_threads = 4
?innodb_write_io_threads = 4
?innodb_io_capacity = 4000
?innodb_purge_threads=1
?innodb_adaptive_hash_index=0

MYSQL入门# monitoring
?innodb_monitor_enable = '%'
?performance_schema=OFF

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