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max_connections=4000
?key_buffer_size=200M
?low_priority_updates=1
?table_open_cache = 8000
?back_log=1500
?query_cache_type=0
?table_open_cache_instances=16

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

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

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