source src1

{

        type                    = mysql

        sql_host                = localhost

        sql_user                = root

        sql_pass                = root

        sql_db                  = allchips_test

        sql_port                = 3306  # optional, default is 3306

        sql_query               = select * from products

        #sql_attr_uint          = id

        #sql_attr_timestamp     = date_added

        sql_field_string        = product_id

        sql_field_string        = partNo

}

source src2

{

        type                    = mysql

        sql_host                = localhost

        sql_user                = root

        sql_pass                = root

        sql_db                  = allchips_test

        sql_port                = 3306  # optional, default is 3306

        sql_query               = select * from product_prices

}

cdn就是为网页的静态文件提供加速的，其实我觉得他更大的意义应该是隐藏源站ip，能有有效避免恶意攻击

提供缓存

提供网站加速