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                用于非 Java 客戶端訪問元數據庫,在服務器端啟動 MetaStoreServer,客戶端利用 **Thrift 協議**通過 MetaStoreServer 訪問元數據庫。 它將 Metastore 分離出來,成為一個獨立的 Hive 服務(Metastore 服務還可以部署多個)。 <br/> <mark>這樣的模式可以將數據庫層完全置于防火墻后,客戶就不再需要用戶名和密碼登錄數據庫,避免了認證信息的泄漏。</mark> <br/> :-: **遠程配置常用參數** |屬性 |默認值 |描述 | | --- | --- | --- | |hive.metastore.local |true |false 為遠程模式| |hive.metastore.uris |未設定 |遠端模式下Metastore的 URI 列表| |hive.jdo.option.connectionURL |jdbc:derby| metastore 數據庫的JDBC URL| |hive.jdo.option.ConnectionDriverName |org.apache.derby.jdbc.EmbeddedDriver |數據庫驅動| |hive.jdo.option.connectionUserName |未設定 |JDBC 用戶名| |hive.jdo.option.connectionPassword |未設定 |JDBC 密碼|
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