How to create cluster in websphere application server
How do I create a horizontal cluster in WebSphere?
Creating WebSphere Cluster using GUI
- Go to Servers >> Clusters >> WebSphere application server clusters.
- Click the Cluster from the list where you want to create a JVM.
- Click “Cluster members” under Additional Properties.
What is application server clustering?
An application server cluster eliminates the single point of failure by introducing redundancy and failover into the system. Any application server instance in the cluster can service any client request, and the failure of any single instance or host does not bring down the system.
What is horizontal clustering and vertical clustering in WebSphere?
Horizontal clustering, sometimes referred to as scaling out, is adding physical machines to increase the performance or capacity of a cluster pool. Vertical clustering, sometimes referred to as scaling up, is adding WebSphere Application Server instances to the same machine.
What is JNDI in WebSphere application server?
The Java Naming and Directory Interface (JNDI) is mainly used for accessing resources that are managed by a container. JEE application servers expose JDBC data sources, JMS connection factories, JTA user transactions among others to applications via JNDI. Each resource has a global unique JNDI name.
Why do we use JNDI?
The Java Naming and Directory Interface™ (JNDI) is an application programming interface (API) that provides naming and directory functionality to applications written using the Java™ programming language. It is defined to be independent of any specific directory service implementation.
What is data source in WebSphere application server?
4.2. Configuring JDBC data sources in IBM WebSphere Application Server. A data source is an object that enables a Java Database Connectivity (JDBC) client, such as an application server, to establish a connection with a database.
How do I create a data source in WebSphere?
On the WebSphere Application Server administrative console, click Data sources. Click New to create a new data source. Enter the Data source name and the JNDI name, and choose the authentication alias from the drop-down list in Component-managed authentication alias.
Is datasource a configuration file?
Datasource configuration file names end with the suffix -ds. xml so that they will be recognized correctly by the JCA deployer. The docs/example/jca directory contains sample files for a wide selection of databases and it is a good idea to use one of these as a starting point.
What is data source configuration?
A data source configuration is a collection of information that identifies the database you want to access using the ODBC driver. Once defined, a data source is available for use by any application that uses ODBC. ODBC data sources are a convenient way of connecting to a database.
How do I change ODBC data source?
To modify a data source for Windows
- Open the ODBC Data Source Administrator. Click the appropriate DSN tab.
- Select the Oracle data source you want to modify and then click Configure. The Microsoft ODBC for Oracle Setup dialog box appears.
- Modify the applicable data source fields, and then click OK.
How do I create a new data source?
To create a dataset as a data source, run the Data Source Configuration Wizard by selecting Project > Add New Data Source. Choose the Database data–source type, and follow the prompts to specify either a new or existing database connection, or a database file.
What are data sources in WebLogic?
In WebLogic Server, you configure database connectivity by adding data sources to your WebLogic domain. WebLogic JDBC data sources provide database access and database connection management. Each data source contains a pool of database connections that are created when the data source is created and at server startup.
What is the use of data source?
The purpose of a data source is to gather all of the technical information needed to access the data – the driver name, network address, network software, and so on – into a single place and hide it from the user.
How do I change data source in WebLogic?
On the Settings for <data–source-name>Data Source page, do the following tasks:
- Click the Configuration tab (if not already selected).
- Click the Connection Pool tab.
- Click Save.
- In the Change Center pane, click Activate Changes and log out. Note: The password becomes encrypted when you save your change.