Tag Archives: Clustering

Google Cloud Dataproc and the 17 minute train challenge

My work commute My commute to and from work on the train is on average 17 minutes. It’s the usual uneventful affair, where the majority of people pass the time by surfing their mobile devices, catching a few Zs, or by reading a … Continue reading →

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The Joys of Redis

“In our (admittedly limited) experience, Redis is so fast that the slowest part of a cache lookup is the time spent reading and writing bytes to the network” – stackoverflow.com Can Databases Be Exciting To Work With? It’s very rare … Continue reading →

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Simple Session-Sharing in Tomcat Cluster Using the Session-in-Cookie Pattern Part 1: The Basics

In a recent project we needed to deploy application changes to a Tomcat cluster without outage to the end user. To accomplish this the Tomcat sessions needed to be shared across the nodes. We opted to implement a variant of the … Continue reading →

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