Previous Release 12.1.3 Major Highlights:
- Automated Operations
- Auto Purge: Old data past the retention point are periodically on schedule to be automatically be purged.
- Performance
- Modularity Profile: Startup time and memory is reduced by starting up components that are used (depends on the selected profile).
- Lazy Loading: Startup time is reduced by loading composites only on first use.
- Problem Identification & Resolution
- Centered Error Hospital: The EM is reworked to be centered around exception conditions instead of business as usual, including a centralized Error Hospital.
- Better Flow Trace: A flow trace with multiple composites shows both in a single trace for better troubleshooting.
- Simplified Tuning
- Work Managers: Simplify and improve thread tuning by switching to work managers. In 12.1.3 it is possible to assign a work manager per soa-infra partition.
New Release 12.2.1 Major Highlights:
- Resiliency
- Circuit Breaker: Improved resiliency when downstream services go down by suspending inbound services. In the 12.2.1 release Oracle introduces Circuit Breaker. It automatically suspend upstream inbound services and the messages are added in queues on disk for later processing. The inbound services automatically resume when the downstream service endpoint is up.
- Performance
- In-Memory SOA: Optimize performance and scalability by reducing database growth.he In-Memory option uses the Coherence cache instead of the database for dehydration and instance tracking data when applicable. It delivers major performance improvement and reduces DB growth significantly.
- Integration Workload Statistics: Diagnostic tool for analyzing performance similar to DB AWR. IWS helps with performance troubleshooting and tuning. It takes periodic snapshots of metrics at configured interval and the data is written to the Database per managed server. IWS generates reports by user specified time range and comes in three formats: XML, CSV and HTML.
- Parallel Deployment: Faster SOA and Service Bus startup time. From version 12.2.1 WebLogic Server supports parallel deployment which should improve SOA and Service Bus startup time. During startup composites are loaded/deployed in parallel. Its part of resiliency add-on
- Availability
- Composite Instance Patching: Patch (long running) instances immediately without redeploying new composite version and stalling instances.
- Automatic Service Migration (ASM): Reduce the fail over time and amount of machine resources needed for deployment.
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