Tuning the Purging Strategy; Oracle SOA Suite Metadata Repository Performance Management by Martijn van der Kamp


clip_image002My colleague, Paul Wever, wrote an excellent blog about turning the MDS to increase performance. Purging is something we do at almost all our customers. Paul provides excellent tips, tricks and insights to increase the performance.
In my job as system administrator/DBA, projects related to Oracle’s SOA Suite I put a lot of emphasis on configuration of the environment, like the OS, the Oracle database, WebLogic, OSB, and other products. Part of the Oracle SOA Suite is the Oracle Metadata Repository, where all metadata and run-time data of applications is stored. This repository is often forgotten in performance management, but deserves special attention when dealing with performance improvements.
This blog is part of a series of blogs around Oracle SOA Suite Metadata Repository Performance Management. In this blog we will show how a performance gain of factor more than 100 was achieved while purging the Metadata Repository.
Oracle Metadata Repository
Oracle Metadata Repository is an Oracle database that contains additional schemas to support Oracle Fusion Middleware and its components, for design and run-time management of the applications. Oracle SOA Suite mainly uses two components:

  • The Metadata Store (MDS) to store all SCA artifacts
  • The Dehydration Store (SOAINFRA) to persist composite instances and to audit composite instance

Investigating performance issues around purging the Oracle Metadata Repository, I stumbled over the following delete statement that was executed during purging the Oracle Metadata Repository: Read the complete article here.

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Technorati Tags: SOA Community,Oracle SOA,Oracle BPM,OPN,Jürgen Kress

About Jürgen Kress
As a middleware expert Jürgen works at Oracle EMEA Alliances and Channels, responsible for Oracle’s EMEA Fusion Middleware partner business. He is the founder of the Oracle SOA & BPM and the WebLogic Partner Communities and the global Oracle Partner Advisory Councils. With more than 5000 members from all over the world the Middleware Partner Community is the most successful and active community at Oracle. Jürgen manages the community with monthly newsletters, webcasts and conferences. He hosts his annual Fusion Middleware Partner Community Forums and the Fusion Middleware Summer Camps, where more than 200 partners get product updates, roadmap insights and hands-on trainings. Supplemented by many web 2.0 tools like twitter, discussion forums, online communities, blogs and wikis. For the SOA & Cloud Symposium by Thomas Erl, Jürgen is a member of the steering board. He is also a frequent speaker at conferences like the SOA & BPM Integration Days, JAX, UKOUG, OUGN, or OOP.

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