What is generic DataSource in WebLogic?

Asked By: Holi Lassen | Last Updated: 26th June, 2020
Category: technology and computing databases
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Oracle WebLogic Server provides three types of data sources: Generic Data SourcesGeneric data sources and their connection pools provide connection management processes that help keep your system running efficiently. You can set options in the data source to suit your applications and your environment.

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Hereof, what is datasource in WebLogic?

A data source is an object that enables a Java Database Connectivity (JDBC) client to obtain a database connection. WebLogic JDBC data sources provide database access and database connection management.

Additionally, what is multi datasource in WebLogic? An Oracle Weblogic Multi Data Source is an abstraction around a Data Source that provides load balancing or failover processing between the Data Sources associated with the multi data source. This can be either load balancing or failover.

Keeping this in view, what is data source in SOA?

A datasource, as its name implies, is anything that acts as a source for data. Database is a source of data, and it has to be configured as a datasource to the SOA infrastrucure. Datasource in specific to the Weblogic Server is the connection to the actual underlying data provider.

What is connection pool in WebLogic?

A connection pool is a named group of identical JDBC connections to a database that are created when the connection pool is registered, usually when starting up WebLogic Server. Your application "borrows" a connection from the pool, uses it, then returns it to the pool by closing it.

23 Related Question Answers Found

What is JNDI WebLogic?

The WebLogic Server JNDI Service Provider Interface (SPI) provides an InitialContext implementation that allows remote Java clients to connect to WebLogic Server.

What is a JDBC DataSource?

JDBC DataSource is an interface of package javax. sql. DataSource. This interface is mostly preferred over DriverManager class because it allows the detail about database to your application program. DataSource object increases the application portability .

What is the difference between JDBC and JNDI?

Well these are two different things. JDBC is Java Database Connectivity API, while JNDI is Java Naming and Directory Interface API. In short words: JDBC is Database realm, JNDI lets you store Objects in a virtual context (the Directory) that can be local, remote (implementation details usually don't matters).

What is generic data source?

Oracle WebLogic Server provides three types of data sources: Generic Data SourcesGeneric data sources and their connection pools provide connection management processes that help keep your system running efficiently. You can set options in the data source to suit your applications and your environment.

What does data source mean?


A data source, in the context of computer science and computer applications, is the location where data that is being used come from. In a database management system, the primary data source is the database, which can be located in a disk or a remote server.

What is GridLink data source?

What is a GridLink Data Source. A single GridLink data source provides connectivity between WebLogic Server and an Oracle Database service targeted to an Oracle RAC cluster. It uses the Oracle Notification Service (ONS) to adaptively respond to state changes in an Oracle RAC instance.

What is javax SQL DataSource?

javax.sql.DataSource. An interface that is a factory for connections to the physical data source that the object represents. An object that implements the DataSource interface will typically be registered with a naming service based on the Java Naming and Directory (JNDI) API.

What is database connection pool size?

A connection pool is created for each unique connection string. When a pool is created, multiple connection objects are created and added to the pool so that the minimum pool size requirement is satisfied. Connections are added to the pool as needed, up to the maximum pool size specified (100 is the default).

What is DB adapter in WebLogic?

Database Adapter configuration in WebLogic Server. Oracle database adapter is a JCA connector, which is a DBAdapter. The DB adapter enables the Oracle SOA Suite application (ex: a BPEL process) communicate to the Oracle database via a JNDI data source. The DB adapter relies on the JDBC driver to establish communication

What is JNDI SOA?


When SOA composites are deployed in weblogic server, they require Outbound connection pool to communicate with Database. JNDI Name used for creating connection pool should match the value entered for database connection when building application using JDeveloper.

What is the maximum connection pool size in WebLogic?

Attributes
Attribute Label Value Constraints
Maximum Capacity Minimum: 1 Maximum: 2147483647 Default: 15 Dynamic: yes
Capacity Increment Minimum: 1 Maximum: 2147483647 Default: 1 Dynamic: yes
Statement Cache Type Default: LRU Valid values: LRU FIXED Dynamic: no
Statement Cache Size Default: 10 Dynamic: yes

How do you test connection pooling?

Testing a Connection Pool
  1. In the Administration Console, open the Resources component, open the JDBC component, select Connection Pools, and select the connection pool you want to test. Then select the Ping button in the top right corner of the page.
  2. Use the asadmin ping-connection-pool command.

Why is connection pool required?

In software engineering, a connection pool is a cache of database connections maintained so that the connections can be reused when future requests to the database are required. Connection pools are used to enhance the performance of executing commands on a database.

What is HikariCP?

HikariCP. HikariCP is a very fast lightweight Java connection pool. The API and overall codebase are relatively small (a good thing) and highly optimized. It also does not cut corners for performance like many other Java connection pool implementations. The Wiki is highly informative and dives really deep.

How do I increase the size of my pool in WebLogic?


Procedure
  1. Open the WebLogic Server Console.
  2. Go to Services > Datasources and select the datasource that you want to change the pool size of.
  3. Go to Configuration > connection pool.
  4. Change the Maximum Capacity to the count required for your environment.

What is a JDBC connection pool?

A connection pool contains a group of JDBC connections that are created when the connection pool is registered—when starting up WebLogic Server or when deploying the connection pool to a target server or cluster. Connection pools use a JDBC driver to create physical database connections.

How do I change datasource in Weblogic?

On the Settings for <data-source-name>Data Source page, do the following tasks:
  1. Click the Configuration tab (if not already selected).
  2. Click the Connection Pool tab.
  3. Click Save.
  4. In the Change Center pane, click Activate Changes and log out. Note The password becomes encrypted when you save your change.