Author Archives

Using Oozie in Kerberized Cluster

In general, most Hadoop ecosystem tools work rather transparently in a kerberized cluster. Most of the time things “just work”. This includes Oozie. Still, when things don’t “just work”, they tend to fail with slightly alarming and highly ambiguous error messages. Here are few tips for using Oozie when your Hadoop cluster is kerberized. Note […]

Three Things To Do Before Starting Hadoop Project

I spent the last 6 month helping customers design, implement and deploy successful Hadoop systems. Over time, you start seeing patterns. Certain things that if the customer gets right before the project event starts increase the probability that the project will finish successfully and on-time. Lets assume you already took the most important step – […]