Fine tuning Apache Hadoop Security Settings

Apache Hadoop is equipped with a robust and scalable security infrastructure. These notes are intended to cluster administrators fine-tune the security settings of their clusters.

Quality of Protection:

Security infrastructure for Hadoop RPC uses Java SASL APIs. Quality of Protection (QOP) settings can be used to enable encryption for Hadoop RPC protocols.

Java SASL provides following QOP settings:

Setting up Apache Hadoop on RHEL6/CentOS 6

Setting up Apache Hadoop on RHEL6/CentOS 6 is simple wiith the recent availability of RPMs for Apache Hadoop it makes it much simpler to setup a basic Hadoop cluster. This will allow you to focus on how to use the features instead of having to learn how they were implemented.

These instructions DO NOT Hadoop settings to make Hadoop fast but it will get you running a Hadoop culster fast. We will leave Hadoop optimization for another day.

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