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Eclipse OpenJ9

Score6 out of 10

3 Reviews and Ratings

What is Eclipse OpenJ9?

Eclipse OpenJ9 is a Java Virtual Machine (JVM) implementation that aims to optimize the cost-effective execution of Java applications in cloud environments. According to the vendor, this high-performance and scalable JVM is suitable for companies of all sizes, including small startups and large enterprises. It is widely used in various professions and industries such as software development, cloud computing, web development, enterprise software, and financial services.

Key Features

Faster Startup: According to the vendor, Eclipse OpenJ9 offers faster startup times for Java applications, which can be beneficial for cloud-based applications where quick startup is crucial. The optimized startup time is said to improve overall application performance and user experience.

Faster Ramp-up, when deployed to cloud: The vendor claims that Eclipse OpenJ9 is optimized for cloud deployments, enabling Java applications to ramp up quickly in cloud environments. This feature is said to ensure that applications can handle sudden spikes in traffic or increased workload without significant performance degradation. It is claimed to improve the scalability and responsiveness of Java applications in the cloud.

Smaller: Eclipse OpenJ9 is reported to have a smaller memory footprint compared to other JVM implementations. The vendor states that this feature is particularly valuable in resource-constrained environments such as cloud platforms or edge devices, where memory optimization is essential. The smaller memory footprint is claimed to allow for better resource utilization and potential cost savings in terms of infrastructure requirements.

Optimized for the Cloud: According to the vendor, Eclipse OpenJ9 is specifically designed and optimized for cloud environments. It is said to provide efficient resource management and scalability to handle the dynamic nature of cloud deployments. This feature is claimed to enable Java applications running on Eclipse OpenJ9 to leverage cloud infrastructure and deliver optimal performance.

High Performance: Eclipse OpenJ9 is positioned as a high-performance JVM that offers excellent execution speed for Java applications. The vendor states that it utilizes advanced optimization techniques and runtime technologies to achieve superior performance. This feature is said to enable Java applications to run efficiently and handle demanding workloads with high throughput and low latency.

Categories & Use Cases

Eclipse OpenJ9: Java for Cloud applications

Use Cases and Deployment Scope

Eclipse OpenJ9 is supported by IBM. It has excellent memory performance and faster startup compared with Java HotSpot(supported by Oracle). Eclipse OpenJ9 design is optimized to comply with the memory use of the Cloud. The best feature of Eclipse OpenJ9 is CLASS SHARING. It creates a shared memory for the classes for use between processes.

Pros

  • Faster startup
  • Memory administration
  • Shared CLASSES between processes

Cons

  • Marketing to promote the advantages it provides for the CLOUD.
  • Documentation to used its garbage collector effectively.
  • Documentation to implement the SHARED CLASESS between processes and understand the advantages.

Return on Investment

  • Open Source Alternative to Oracle JDK supported by IBM.
  • Excellent performance for CLOUD development for APIs.
  • Multiplatform (LInux, Windows) Java SDK that runs in a container like Docker.

Other Software Used

Python IDLE, MySQL, SAP Analytics Cloud