Develop with the Discovery Module 3.1

The Discovery Module (DM) is an add-on module for Logi Info, that enables special elements in Logi Info and provides an embedded discovery experience that works directly with relational data sources.

The following topics are intended for Logi developers and discusses how to configure an application after the DM hasbeen installed:

About the Discovery Module

Advanced features discussed here work with Logi Info v12.5. Earlier and later Info versions may not support them; consult the Release Notes for specific details.

Introductory information about the DM and directions for installing it can be found in our installation topics for Install the Discovery Module - Windows and Install the Discovery Module - Linux. If you haven't read it already, we recommend you do so before proceeding.

Once installed, the DM makes special services and elements available in Logi Studio, controlled by various licensing combinations. These include Logi Platform Services and the Thinkspace element, which allows end-users to work with its interface to get a rich, highly-interactive analysis experience. Best-fit visualizations are automatically suggested by a built-in "recommendation engine" and data is organized using intelligent technology that clusters data to make it more easily consumable by users.

Important Restrictions

Please note these important restrictions on the use of the DM 3.1+:

Client browsers: Chrome 26+, IE 11+, Edge 40+, Firefox 20+, and Safari 7+.
Server OS: 64-bit versions of Windows Server 2012, Windows 7, or Linux (Java 1.8 capable)
Server: 4GB RAM minimum, 8GB RAM recommended (more if RAM also used for a VM)
Server: 4GB hard disk space available
Logi Info: v12.5, 64-bit version (there is no 32-bit DM version available)

The supported databases are:

AWS Redshift
Infobright
JDBC database providers
MS SQL Server
MySQL
Oracle
PostgreSQL
Snowflake
Vertica

Logi Info .NET applications that include the DM must run using an IIS Application Pool configured for Integrated pipeline mode. Classic pipeline mode Application Pools will not work.

Special Application Services

The DM uses two special application services on the web server:

An embedded, runtime environment for server-side web applications (node.js)
An embedded, Java-based relational database (H2)

Node.js and H2 are extremely compact, have a small installation footprint, and do not install a lot of extra tools or management utilities. They're provided as transparent services that require little or no management for use with the DM.

Two Windows Services or Linux daemons are created during the installation: Logi Application Service and Logi Data Service.

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