Connection Pools: WebSphere Liberty

Connection Pools: WebSphere Liberty

Application server method of pooling and sharing connections to a database.

Extension

Product information
Release notes

Overview

Several built-in OneAgent extensions provide insight into connection pool performance and issues such as connection leaks. The extensions cover the following technologies: Apache Tomcat, Oracle WebLogic, IBM WebSphere Application Server, IBM WebSphere Liberty, and Red Hat JBoss and Wildfly.

Use cases

This extension collects connection pool performance, usage and availability metrics for Websphere Liberty.

Prerequisites:

Websphere process that runs on a supported Linux or Windows operating system.
OneAgent version 1.273+
Dynatrace version 1.273+

To get metric insight:

Install OneAgent on the virtual machine or server of your Websphere process.
Activate the OneAgent feature Java Metric Extensions 2.0 (JMX).
Select in this same tile Add to environment to configure the extension.
Open the Liberty Connection Pool Overview dashboard.

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Extension content

Content typeNumber of items included

screen metric tables

1

screen injections

1

screen chart groups

2

generic relationship

1

metric metadata

5

dashboards

1

screen layout

1

list screen layout

1

screen entities lists

1

generic type

1

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included

Metric name	Metric key	Description	Unit
In use time	liberty.connectionPool.inUseTime	-	MilliSecond
Wait time	liberty.connectionPool.waitTime	-	MilliSecond

Metric name	Metric key	Description	Unit
Managed connections	liberty.connectionPool.managedConnectionCount	-	Count
In use connections	liberty.connectionPool.connectionHandleCount	-	Count
Free connections	liberty.connectionPool.freeConnectionCount	-	Count

Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.

ReleaseDate

Full version history

Fixed a bug that prevented charts from being injected correctly

Full version history

Convert EF1.0 to EF2.0:

Add Liberty Connection Pool entity and its relation to the Process Group Instance
Add Unified Analysis screen for Liberty Connection Pool
Add injection charts into Unified Analysis screen for Process Group Instance
Add overview dashboard

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