Given ample time and a penchant for the topic, many people in the field feel that you can learn what you need to know about Hadoop via self-study. For those folks, browsing the plethora of documentation on the Apache Hadoop website is a good starting point. You can also download the open source Hadoop release, and take the opportunity to turn some knobs and explore Hadoop at your own pace. Administrators and developers who prefer a more structured learning experience can take advantage of free online training courses designed to get you up to speed fast.
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