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Without connection pooling mechanisms (e.g., HikariCP, pgbouncer), idle or excessive connections can strain database resources. Virtual Machine-Based Environments: AWS EC2 instances scale connection demand with the number of instances. Manual or automated tuning of connection pool parameters is essential to prevent exceeding database limits.
A pool of database connections can be created and then shared among the applications that need to access the database. The connection object obtained from the connection pool is often a wrapper around the actual database connection. The wrapper understands its relationship with the pool, and hides the details of the pool from the application.
Several connection pool custom properties were added to support this resource failover and failback mechanism: failureThreshold - the number of consecutive getConnection() failures that must occur before automatic failover is invoked; alternateResourceJNDIName - the JNDI name of the alternate connection factory to use if automatic failover is ...
Java Database Connectivity (JDBC) is an application programming interface (API) for the Java programming language which defines how a client may access a database. It is a Java-based data access technology used for Java database connectivity. It is part of the Java Standard Edition platform, from Oracle Corporation.
Jakarta Connectors (JCA; formerly known as Java EE Connector Architecture and J2EE Connector Architecture) are a set of Java programming language tools designed for connecting application servers and enterprise information systems (EIS) as a part of enterprise application integration (EAI). While JDBC is specifically used to establish ...
Object pooling is a software design pattern that keeps a pool of initialized objects ready that are ready to be used, rather than allocating and destroying them on demand. Connection pooling in computer science is a caching technique used to enhance the performance of executing commands on a database.
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The article only mentions database connection pooling, but connection pooling is a generic concept that is not only used in conjunction with databases. Should the article mention that, perhaps? DeanHarding 06:35, 10 January 2008 (UTC) This article could probably be merged into Object pool. That article even mentions network and database ...