微擎多数据库

// 示例代码：调整数据库连接池配置
$database = [
    'type' => 'mysql',
    'hostname' => 'localhost',
    'database' => 'weengine',
    'username' => 'root',
    'password' => 'password',
    'hostport' => '3306',
    'charset' => 'utf8',
    'pconnect' => 1,
    'max_connections' => 50, // 调整最大连接数
];

// 示例代码：配置读写分离
$database = [
    'type' => 'mysql',
    'master' => [
        'hostname' => 'master_host',
        'database' => 'weengine',
        'username' => 'root',
        'password' => 'password',
        'hostport' => '3306',
    ],
    'slave' => [
        [
            'hostname' => 'slave1_host',
            'database' => 'weengine',
            'username' => 'root',
            'password' => 'password',
            'hostport' => '3306',
        ],
        [
            'hostname' => 'slave2_host',
            'database' => 'weengine',
            'username' => 'root',
            'password' => 'password',
            'hostport' => '3306',
        ],
    ],
];

// 示例代码：设计合理的分片规则
function getShardDatabase($userId) {
    $shardCount = 4; // 分片数量
    $shardIndex = $userId % $shardCount;
    return [
        'type' => 'mysql',
        'hostname' => 'shard' . $shardIndex . '_host',
        'database' => 'weengine_shard' . $shardIndex,
        'username' => 'root',
        'password' => 'password',
        'hostport' => '3306',
    ];
}