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HBase Administration Cookbook
book

HBase Administration Cookbook

by Yifeng Jiang
August 2012
Intermediate to advanced content levelIntermediate to advanced
332 pages
7h 3m
English
Packt Publishing
Content preview from HBase Administration Cookbook

Configuring HDFS security with Kerberos

Newer releases of Hadoop (0.20.203 and above) support an optional Kerberos authentication of clients. This security support includes secure HDFS and secure MapReduce configurations.

The motivation for Hadoop security is not to defend against hackers, as all large Hadoop clusters are behind firewalls that only allow employees to access them. Its purpose is simply to allow storing sensitive data such as financial data on a shared cluster.

Prior releases of Hadoop already had file ownership and permissions in HDFS; the limitation was that they had no mechanisms for verifying user identity. With this Kerberos security support, user identities are verified by Kerberos, and only authenticated users are allowed ...

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Publisher Resources

ISBN: 9781849517140Other