WildFly Performance Tuning

The real need of clustering

As previously described, the nature of clustering can be quite complex. From experience, management often blindly demands full clustering without knowing and taking the full implications into account. Far too often, we hear something similar to this: "the system is mission critical, so it must be clustered". The common belief is that clustering will save the business and solve all issues that can be related to performance and availability. Now, clustering can and will help in many cases, but it is always important to be objective and help the management by explaining the actual needs and consequences, especially in terms of increased costs in maintenance and complexity.

It is important to always consider what kind of ...