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What is new in this release 

The WSO2 DAS version 3.0.0 is the first version of WSO2 DAS, which is complete rewrite of the analytics solution based on the latest technologies. It contains the following new features and enhancements.

  • Data abstraction layer for analytics
  • Apache Spark SQL-based analytics query execution
  • Data publisher rewrite
  • RDBMS datasource support
  • REST APIs for analytics data service
  • CLI like user interface for Spark integration

Also, WSO2 DAS contains the following major new technological changes/substitutions when compared to its predecessor, which is WSO2 BAM. 

  • Introduction of a generic data store that can mount RDBMS, HBase, Cassandra or any other data store, instead of supporting Cassandra as the one and only event store.
  • Replaced Hadoop by Apache Spark, and Hive by Spark SQL.
  • Introduced indexing on stream persistence using Apache Solr, instead of the Casandra secondary and custom index based indexing.
  • Replaced the Gadget Server and Gadget generating tool with WSO2 UES-based dashboards and its new gadget generating tool.
  • Integration of WSO2 CEP 4.0.0 based features, instead of WSO2 CEP 3.x.
  • Introduced CAR file-based artifact deployment for WSO2 BAM toolbox support.
  • Removed WSO2 BAM report generation.

Compatible WSO2 product versions 

You can make any WSO2 product compatible with WSO2 DAS after installing a data agent. Data agents allow the product to communicate with the DAS and send statistics for analysis. The following products have the latest compatible data agents in them by default, and therefore are compatible with DAS 3.0.0.

  • APIM 1.8.0 
  • AS 5.2.1
  • ESB 4.8.1  
  • ELB 2.1.1

If a particular product version you are using does not have a data agent installed, follow the steps below to install one:

  1. Check the WSO2 Release Matrix and identify the WSO2 Carbon version that your product is based on.
  2. Go to WSO2 P2 repositories and select the repository that is based on the Carbon version you selected in the previous step.
  3. Add the feature repository to your product. 
  4. Then, select the data agent that you need from the features in the repository, and install it in your product. For example, in order to send mediation statistics from WSO2 ESB to DAS, you must install Mediation Statistics Data Agent feature.

For information on the third-party software required with DAS 3.0.0, see Installation Prerequisites.

Deprecated features

Fixed issues

For a list of fixed issues in this release, see WSO2 DAS 3.0.0 - Fixed Issues.

Known issues

For a list of known issues in this release, see WSO2 DAS 3.0.0 - Known Issues.

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