July 2017
Intermediate to advanced
414 pages
11h 18m
English
Performance issues were partially addressed by applying the Y-scale method in the scale cube, as described in Chapter 1, Demystifying Microservices. The monolithic all in one EAR is deployed into multiple disjoint clusters. A software proxy was installed to selectively route traffic to designated clusters as shown here:

This helped BrownField's IT to scale the application servers. Therefore, the stability issues are controlled. However, soon this resulted in a bottleneck at the database level. Oracle Real Application Cluster (RAC) was implemented as a solution to this problem at the database layer.
This new scaling model reduced ...
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