Univ. of Hawaii - ITS Technical Architecture - Brick    

Java Brick

Primary Architects:  Cameron Ahana

Description

OpenJDK is becoming a popular alternative to the commercial version of OracleJDK. Oracle will not charge companies if they are on the current version of OracleJDK but their release cadence (sometimes as quick as 6 months) makes it difficult for companies to keep pace. Oracle argues that the releases are not "major" releases so the migration is not as daunting a task as many perceive it to be [1]. Many Java applications currently running in the ITC data center are on OracleJDK 8; Banner for example.

...

Source: https://www.oracle.com/java/technologies/java-se-support-roadmap.html

• More vendors are transitioning to an OpenJDK implementation.
• OpenJDK implementation matrix [2] and overview of JDK vendors [3]
  
• Difference between OracleJDK and OpenJDK [4]
• Opinions from okta [5]

Notes

• Banner 9 requires Oracle or OpenJDK 8 for RHEL and Corretto for Windows.  This is a fairly recent development.  Other schools, Oakland for example, utilize OpenJDK.
• Ellucian support documentation states that Banner 9 on RHEL 7 with OpenJDK 1.8 is supported with most services except the following, for obvious reasons:
  • Oracle Database
  • Oracle Fusion Middleware
• Red Hat OpenJDK runs on RHEL, Windows, and Mac OS, which is needed for developers.
• OpenJDK has different builds
  • AdoptOpenJDK for public usage
  • Amazon Corretto for public and customer usage
  • Oracle Java SE for Oracle paying customers
  • Oracle OpenJDK for Oracle nonpaying customers
  • Red Hat OpenJDK
• AdoptOpenJDK is readily available through docker, has a large community to support it (no need to get commercial support), and runs under the Hotspot JVM, which is Oracle's JVM, so we know the performance will be comparable if not identical.
  • It can also run under OpenJ9, which is the Eclipse Foundations version of the JVM.
  • It is supposed to have a low memory footprint and run more efficiently compared to Hotspot but EA has not explored that option yet.
• The InCommon Trusted Access Platform (TAP) is containerizing its components using Amazon's Corretto JDK.
  • The IAM team is deploying TAP components, starting with Grouper.

Change History

• April 2020, draft in progress
  
  

...