Teracloud Streams Version 7.1.0.0 Release Notes
Discover the strategic benefits of moving to Teracloud Streams in our Migration Decision Guide
Interested in our upcoming 7.2 release? Check out the Product Roadmap to learn more about what's coming next!
Overview
Teracloud Streams Version 7.1.0.0 marks the first major release under new product ownership, building on the proven foundation of IBM Streams Version 4.3.1.x. This release introduces compatibility with modern operating environments, updates critical third-party components, and enhances security measures to align with current enterprise standards.
Documentation
Authoritative Documents
- Teracloud Streams Version 7.1.0.0 Release Notes (this document)
- Teracloud Streams Version 7.1.0.0 Installation and Configuration Guide
Reference Materials
While IBM Streams documentation remains available for historical context, always defer to the current Teracloud Streams documentation for accurate, up-to-date information. Future updates will clarify the availability of additional reference materials.
System Requirements and Required Upgrades
Operating System Support
- Applications intended for deployment on RHEL 8 must be compiled on RHEL 7 first.
- The included dependency checker identifies required RHEL 7 compatibility RPMs when deploying on RHEL 8.
- RHEL 7 support is retained for backward compatibility during transition periods.
Apache Zookeeper Upgrade
Users must upgrade Apache Zookeeper to version 3.8.x (tested with 3.8.4) to maintain compatibility and meet enhanced security standards. Detailed upgrade procedures are outlined in Chapter 8 of the Installation and Configuration Guide.
New Features and Important Changes
Modernized Technology Stack
- Apache Zookeeper: 3.8.4
- Oracle Java: 8.0.8-25
- IBM WebSphere Liberty: 24.0.0.4
Enhanced Security Framework
The domain.transportSecurityType
property is now set to TLSv1.2
by default for newly created domains. Administrators can set this property to none
if needed. This change aligns with modern encryption standards and enterprise compliance requirements.
Refined Java Integration
The SPL Java Operator API mapping for complex32
and complex64
SPL types has changed:
- Previous:
org.apache.commons.math.complex.Complex
- New:
org.apache.commons.math3.complex.Complex
Removed Features
To streamline and modernize Teracloud Streams, certain IBM Streams Version 4.3.1.x features have been removed, focusing on current enterprise needs:
Platform Support Changes
- IBM Power architecture support
- SUSE Linux Enterprise support
- CentOS support
Interface Modernization
- Domain Manager GUI: Removed, with all functionalities now accessible via the streamtool CLI
- Streams Studio: Removed from the base product. Users may download it separately from the Teracloud website.
Removed Integrations
- IBM Spectrum Symphony® resource manager
- Apache Hadoop Yarn resource manager
- Apache Edgent integration
- Device manager API
- IBM® InfoSphere® Information Governance Catalog integration
- Streams Runner for Apache Beam
- Streams for Excel plug-in
Removed Toolkits
- com.ibm.streams.rules
- com.ibm.streams.rulescompiler
- com.ibm.streams.text
- com.ibm.streamsx.eventstore [1]
- com.ibm.streamsx.iot [1]
- com.ibm.streamsx.messaging [2]
- com.ibm.streamsx.sparkmllib [1]
[1] These toolkits are available on IBM GitHub but should be evaluated for security and compatibility before use.
[2] Previously deprecated and now fully removed.