© Ernesto Garbarino 2019
Ernesto GarbarinoBeginning Kubernetes on the Google Cloud Platformhttps://doi.org/10.1007/978-1-4842-5491-2_1

1. Introduction

Ernesto Garbarino
In 2016, my end customer was a global logistics company in the process of upgrading a 15-year-old monolithic clearance system based on an application server (WebLogic), a relational SQL database (Oracle), and messaging queues (TIBCO). Every component in each tier was a bottleneck in its own right. The four-node WebLogic cluster could not cope with the load, the slowest SQL queries would take several seconds to process, and publishing a message to a TIBCO EMS queue was akin to throwing a feather into a 100 meter well. This was a mission critical system that made possible ...

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