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    SYSTEM AND METHOD FOR CONNECTING AN APPLICATION SERVER WITH A CLUSTERED DATABASE
    3.
    发明公开
    SYSTEM AND METHOD FOR CONNECTING AN APPLICATION SERVER WITH A CLUSTERED DATABASE 有权
    系统和方法，用于连接应用服务器与群集数据库

    公开(公告)号：EP2616966A1

    公开(公告)日：2013-07-24

    申请号：EP11764385.8

    申请日：2011-09-13

    申请人： Oracle International Corporation

    发明人： SOMOGYI, Alex ,  REVANURU, Naresh ,  IRUDAYARAJ, Rajkumar ,  FELTS, Stephen ,  ZHOU, Tong ,  ZHAO-PEREZ, Francis

    IPC分类号： G06F17/30

    摘要： Systems and methods are provided for zero buffer copying. In accordance with an embodiment, such a system can include one or more high performance computing systems, each including one or more processors and a high performance memory. The system can further include a user space, which includes a Java virtual machine (JVM) and one or more application server instances. Additionally, the system can include a plurality of byte buffers accessible to the JVM and the one or more application server instances. When a request is received by a first application server instance data associated with the request is stored in a heap space associated with the JVM, and the JVM pins the portion of the heap space where the data is stored. The data is pushed to a first byte buffer where it is accessed by the first application server instance. A response is generated by the first application server using the data, and the response is sent by the first application server.

    SYSTEM AND METHOD FOR PROVIDING SESSION AFFINITY AND IMPROVED CONNECTIVITY IN A CLUSTERED DATABASE ENVIRONMENT
    5.
    发明公开
    SYSTEM AND METHOD FOR PROVIDING SESSION AFFINITY AND IMPROVED CONNECTIVITY IN A CLUSTERED DATABASE ENVIRONMENT 审中-公开
    系统和方法提供会话的亲和力和改进的连接在集群数据库环境

    公开(公告)号：EP2724265A2

    公开(公告)日：2014-04-30

    申请号：EP12737386.8

    申请日：2012-06-27

    申请人： Oracle International Corporation

    发明人： SOMOGYI, Alexander ,  REVANURU, Naresh ,  FELTS, Stephen ,  ZHOU, Tong

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30598 ,  G06F17/30345 ,  G06F17/30566 ,  G06F17/30575 ,  G06F17/30587

    摘要： A clustered database environment (e.g. Oracle Real Application Cluster (RAC)) includes multiple database instances that appear as one server. An application server (e.g. WebLogic Server (WLS)) can use a data source (e.g. an Oracle GridLink data source) and connection pools to connect with the clustered database. In accordance with an embodiment, a data source configuration allows for specification of a preferred affinity policy, such as a data affinity, temporal affinity, and/or session or session-based affinity policy. In accordance with an embodiment, the system includes a number of features that improve application connectivity in the clustered database environment, including a select-only case for application continuity, wherein an application-independent infrastructure, e.g. implemented within a Java Database Connectivity (JDBC) driver, enables recovery of work from an application perspective and masks system communications, hardware failures and hangs.

    SUPPORT FOR CLOUD-BASED MULTI-TENANT ENVIRONMENTS USING CONNECTION LABELING
    6.
    发明公开
    SUPPORT FOR CLOUD-BASED MULTI-TENANT ENVIRONMENTS USING CONNECTION LABELING 审中-公开
    利用连接标签支持基于云的多租户环境

    公开(公告)号：EP2989546A1

    公开(公告)日：2016-03-02

    申请号：EP14728017.6

    申请日：2014-04-23

    申请人： Oracle International Corporation

    发明人： DE LAVARENE, Jean ,  ZHOU, Tong ,  SURBER, Douglas ,  FELTS, Stephen ,  MERRILL, David

    IPC分类号： G06F9/50

    CPC分类号： G06F17/30289 ,  G06F9/5011 ,  G06F17/30943 ,  G06F2209/5011

    摘要： A system and method for connection labeling for use with connection pools, including support for cloud-based multi-tenant environments using connection labeling. In accordance with an embodiment, the system comprises a connection pool, including a plurality of connection objects which provide connections that software applications can use to make requests to access the database, wherein each of the connections can be labeled according to the configuration of particular applications; and a connection pool logic that identifies connections labeled as high-cost connections, and controls the creation or repurposing of high-cost connections to serve requests from the multiple tenants or tenant applications. In accordance with an embodiment, the system comprises a connection pool logic that identifies connections labeled as high-cost connections, and avoids using those high-cost connections to serve requests when the total number of connections is below a particular threshold value.

    摘要翻译： 用于连接池的连接标签的系统和方法，包括使用连接标签支持基于云的多租户环境。 根据一个实施例，该系统包括连接池，该连接池包括多个连接对象，该连接对象提供软件应用程序可以用来发出访问数据库的请求的连接，其中可以根据特定应用程序的配置来标记每个连接 ; 以及标识连接标记为高成本连接的连接池逻辑，并控制创建或重新调整高成本连接以服务来自多个租户或租户应用程序的请求。 根据一个实施例，系统包括标识为高成本连接的连接的连接池逻辑，并且当连接的总数低于特定阈值时避免使用那些高成本连接来为请求提供服务。