Welcome to the Red Book for HPCC Systems® 8.0.x series. There are several sections in this Red Book as follows:
Users may benefit from glancing at other Red Book entries when making a large jump between releases.
Here's how to contact us if you find an issue or want to add something to the Red Book:
Current development on HPCC Systems includes providing a Cloud Native version of the platform. To find out how to get started, use these resources:
Our HPCC Systems Cloud Native Wiki includes links to all currently available resources to help you get started, including using Azure EKS, AWS EKS and service meshes.
Our bare metal version is available for download on our website in the usual way.
New - Encountering an issue where embedded Java fails
The platform does not currently always enforce a Java Development Kit (JDK) dependency and the embedded Java plugin (javaembed) can fail if a JDK is not available. If you encounter this error, install the appropriate JDK for your Ubuntu distro or the openjdk-devel package for Centos.
https://track.hpccsystems.com/browse/HPCC-25879
Roxie worker threads were incorrectly given elevated priority if started on demand
In HPCC Systems 8.0.x series, an issue which could cause CPU starvation or other difficult to predict effects has been fixed. In this case, ROXIE was not operating as intended. While there is a work around available for earlier versions of HPCC Systems which involves setting the prestartAgentThreads option to true in the ROXIE configuration, it is now fixed and more details are available in this JIRA issue below:
https://track.hpccsystems.com/browse/HPCC-25493