What is DBCP connection pool?
Connection Pooling addresses this problem by creating a pool of connections and storing them in an Object Pool. Whenever the client requests for some data, an idle connection object is retrieved from the connection pool and the database is queried against this connection.
What is the use of Commons DBCP?
This Commons package provides an opportunity to coordinate the efforts required to create and maintain an efficient, feature-rich package under the ASF license. The commons-dbcp2 artifact relies on code in the commons-pool2 artifact to provide the underlying object pool mechanisms. DBCP 2.9.
What is PoolingDataSource?
PoolingDataSource implements the DataSource interface using a provided ObjectPool. PoolingDatasource take cares of whatever has to do with connections (casting, checking validity, setting properties, etc) and ObjectPool take cares of holding and counting this whatever-type-it-is object.
What is DBCP in Tomcat?
Tomcat-dbcp is the original re-package of apache commons pool included in Tomcat distribution. To avoid class clash package was renamed to org.apache.tomcat.dbcp.dbcp.*
What does DBCP stand for?
|DBCP||Data Base Connection Pools|
|DBCP||Database Connection Pooling|
|DBCP||Data Buoy Cooperation Panel (IOC, WMO)|
|DBCP||Drifting Buoy Cooperation Panel (oceanography)|
How does connection pool work?
Connection pooling means that connections are reused rather than created each time a connection is requested. To facilitate connection reuse, a memory cache of database connections, called a connection pool, is maintained by a connection pooling module as a layer on top of any standard JDBC driver product.
What is BasicDataSource in Java?
BasicDataSource object, that is the basic implementation of javax. sql. DataSource that is configured via JavaBeans properties. In short, to create a simple BasicDataSource object you should: Create a BasicDataSource object and configure the database.
How does Tomcat connection pool work?
Tomcat jdbc pool implements the ability retrieve a connection asynchronously, without adding additional threads to the library itself. Tomcat jdbc pool is a Tomcat module, it depends on Tomcat JULI, a simplified logging framework used in Tomcat. Retrieve the underlying connection using the javax. sql.
What are some of the main issues with using connection pools?
One of the most common issues undermining connection pool benefits is the fact that pooled connections can end up being stale. This most often happens due to inactive connections being timed out by network devices between the JVM and the database. As a result, there will be stale connections in the pool.