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  • mysql服务器优化配置文件

    [mysqld]
    datadir=/var/lib/mysql
    socket=/var/lib/mysql/mysql.sock
    user=mysql
    # Disabling symbolic-links is recommended to prevent assorted security risks
    symbolic-links=0
    
    [mysqld_safe]
    log-error=/var/log/mysqld.log
    pid-file=/var/run/mysqld/mysqld.pid
    
    back_log=600
    max_connections=3000
    max_connect_errors=6000
    table_cache=614
    external-locking=FALSE
    max_allowed_packet=32M
    sort_buffer_size=2M
    join_buffer_size=2M
    thread_cache_size=300
    thread_concurrency=8
    query_cache_size=64M
    query_cache_limit=4M
    query_cache_min_res_unit=2k
    thread_stack=192K
    transaction_isolation=READ-COMMITTED
    tmp_table_size=256M
    max_heap_table_size=256M
    long_query_time=2
    expire_logs_days=7
    key_buffer_size=2048M
    read_buffer_size=1M
    read_rnd_buffer_size=16M
    bulk_insert_buffer_size=64M
    innodb_additional_mem_pool_size=16M
    innodb_buffer_pool_size=2048M
    innodb_data_file_path=ibdata1:1024M:autoextend
    innodb_file_io_threads=4
    innodb_thread_concurrency=8
    innodb_flush_log_at_trx_commit=2
    innodb_log_file_size=128M
    innodb_log_files_in_group=3
    innodb_max_dirty_pages_pct=90
    innodb_lock_wait_timeout=120
    innodb_file_per_table=0
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  • 原文地址:https://www.cnblogs.com/ice-line/p/5646449.html
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