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Resetting Environments – An Alternate Approach

Overview There are times when you are in the midst of testing where you need to reset things back to the way they were; to be able to quickly restart your testing at from a previous point. This is technologically quite easy with current storage infrastructures supporting snapshot mechanisms. This is equally easy in those […]

Performance Management Post Go Live

Introduction A common practice for handling performance considerations during software implementations is to include a phase near the end of the development cycle for load and stress testing and to then tune the system based on the results of those tests. However, software systems are not static. The system is constantly changing through addition of […]

The Resilient Enterprise – Disaster Recovery Planning

Introduction Organizations strive to operate their business in a continuous manner with the goal of protecting their revenue, brand, and data assets. Every organization, throughout its existence, is prone to failures originating from within or without. The propensity for failures exists. A resilient organization however does two things really well. First, it implements measures to […]

A crude JMS performance comparison between different WebLogic server persistence stores

When it comes to persisting service and subsystems data (i.e. JMS), WebLogic server offers customers a choice: filesystem or relational database using JDBC.  Persistence store has implications on WLS performance and systems management.  In this post, I will provide an unofficial JMS performance comparison using different persistence stores. PLEASE NOTE: This is not an official Oracle performance benchmark.  […]

WebLogic Server Cluster Messaging Protocols

by Robert Patrick and Sabha Parameswaran WebLogic Server clusters form a loosely-federated group of managed servers that provide a model for applications to leverage for achieving scalability, load balancing, and failover. Each managed server manages its view of what servers are in the cluster and its own cluster-wide view of the JNDI tree. The cluster […]

About this site

About The A-Team and A-Team Chronicles The A-Team is a central, outbound, highly technical team comprised of Enterprise Architects, Solution Specialists and Software Engineers within the Fusion Middleware Product Development Organization that works with customers and partners, world wide, providing guidance on implementation best practices, architecture, troubleshooting and how best to use Oracle products to solve […]

OSB, Service Callouts and OQL – Part 3

In the previous sections of the “OSB, Service Callouts and OQL” series, we analyzed the threading model used by OSB for Service Callouts and analysis of OSB Server threads hung in Service callouts and identifying  the Proxies and Remote services i…

OSB, Service Callouts and OQL – Part 2

This section of the “OSB, Service Callouts and OQL” blog posting will delve into thread dump analysis of OSB server and detecting threading issues relating to Service Callout and using Heap Dump and OQL to identify the related Proxies and Business serv…

OSB, Service Callouts and OQL – Part 1

Oracle Fusion Middleware customers use Oracle Service Bus (OSB) for virtualizing Service endpoints and implementing stateless service orchestrations. Behind the performance and speed of OSB, there are a couple of key design implementations that can aff…