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What is Tomcat maxActive?

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What is Tomcat maxActive?

maxActive. (int) The maximum number of active connections that can be allocated from this pool at the same time. The default value is 100. maxIdle. (int) The maximum number of connections that should be kept in the pool at all times.

How do I use DataSource with Tomcat?

This page tells you how to set up a SQL Server datasource connection for Confluence.

  1. Shut down Tomcat. Run bin/shutdown.sh or bin/shutdown.
  2. Install the SQL Server database driver. Download the SQL Server JDBC driver:
  3. Configure Tomcat. Edit the conf/server.
  4. Configure the Confluence web application.
  5. Restart Tomcat.

What is removeAbandonedTimeout in Tomcat?

5. removeAbandonedTimeout: Timeout in seconds before an abandoned (in use) connection can be removed. This value should be set to the longest running query your applications might have to avoid any unexpected customer experience. Default value is 60 (60 seconds).

How do I monitor my tomcat connection pool?

  1. How to Monitor a Tomcat JDBC Connection pool from a Servlet Example. With this example you can find out the active, idle connections, etc.
  2. MonitorServlet.java. View Raw CodesCopyToClipboard.
  3. Context.xml (Tomcat Pool example) View Raw CodesCopyToClipboard.
  4. Notes.

What is maxActive in context XML?

maxActive: The maximum number of active connections that can be allocated from this pool at the same time. The default value is 100. It’s important for the database side when you need to make a capacity plan for Database servers.

What is Tomcat JDBC jar?

jar is the default Tomcat connection pool (in Tomcat version 8.5) and it’s responsible for managing connections, allowing you fast access to already created ones, whereas ojdbc6. jar is your actual JDBC driver from Oracle that provides database connectivity to Oracle Database server.

What is Tomcat DataSource?

Actual benefit of DataSource comes when we use it with a JNDI Context. For example, connection pool in a web application deployed in a servlet container. Most of the popular servlet containers provide built-in support for DataSource through Resource configuration and JNDI context.

How do you get a DataSource connection?

Procedure

  1. From your system administrator, obtain the logical name of the data source to which you need to connect.
  2. Create a Context object to use in the next step.
  3. In your application program, use JNDI to get the DataSource object that is associated with the logical data source name.
  4. Use the DataSource.

What is maxIdle in Tomcat?

maxIdle (int) The maximum number of connections that should be kept in the pool at all times.

What is maxThreads in Tomcat?

By default, Tomcat sets maxThreads to 200, which represents the maximum number of threads allowed to run at any given time. You can also specify values for the following parameters: minSpareThreads : the minimum number of threads that should be running at all times.

How do I monitor my database connection pool?

From the JDBC Connection Pool—>Monitoring tab, you can view information about the state of each deployed instance of the selected connection pool. That is, for each server on which the connection pool is deployed, you can see current status information about the connection pool.

How does Tomcat test database connection?

Connecting Tomcat to a MySQL database

  1. Step 1: Download the MySQL JDBC driver. The driver that JDBC needs to connect to MySQL is called Connector/J.
  2. Step 2: Configure your MySQL database as a JNDI resource.
  3. Step 2a: JDBC resource configuration.
  4. Step 2b: Configuring resource references.