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  • myql 配置项

    提高数据插入速度方法

    bulk_insert_buffer_size  

    默认:8M (8*1024*1024)

    参考网址:https://stackoverflow.com/questions/20301010/how-to-set-bulk-insert-buffer-size-in-mysql

    mysql> show variables like '%bulk%';
    +-------------------------+-----------+
    | Variable_name           | Value     |
    +-------------------------+-----------+
    | bulk_insert_buffer_size | 268435456 | <= initial value
    +-------------------------+-----------+
    1 row in set (0.00 sec)
    
    mysql> set global bulk_insert_buffer_size = 1024 * 1024 * 1;
    Query OK, 0 rows affected (0.00 sec)
    
    mysql> show variables like '%bulk%';
    +-------------------------+-----------+
    | Variable_name           | Value     |
    +-------------------------+-----------+
    | bulk_insert_buffer_size | 268435456 | <= not changed with GLOBAL
    +-------------------------+-----------+
    1 row in set (0.00 sec)
    
    mysql> set session bulk_insert_buffer_size = 1024 * 1024 * 1;
    Query OK, 0 rows affected (0.00 sec)
    
    mysql> show variables like '%bulk%';
    +-------------------------+---------+
    | Variable_name           | Value   |
    +-------------------------+---------+
    | bulk_insert_buffer_size | 1048576 |  <= changed with SESSION
    +-------------------------+---------+
    1 row in set (0.00 sec)
    

      

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  • 原文地址:https://www.cnblogs.com/qq917937712/p/8005555.html
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