Project Rhino Goal: At-Rest Encryption for Apache Hadoop
An update on community efforts to bring at-rest encryption to HDFS — a major theme of Project Rhino. Encryption is a key requirement for many privacy and security-sensitive industries, including...
View ArticleWhere to Find Cloudera Tech Talks (Through September 2014)
Find Cloudera tech talks in Texas, Oregon, Washington DC, Illinois, Georgia, Japan, and across the SF Bay Area during the next calendar quarter. Below please find our regularly scheduled quarterly...
View ArticleWhy Extended Attributes are Coming to HDFS
Extended attributes in HDFS will facilitate at-rest encryption for Project Rhino, but they have many other uses, too. Many mainstream Linux filesystems implement extended attributes, which let you...
View ArticleNew in CDH 5.1: Document-level Security for Cloudera Search
Cloudera Search now supports fine-grain access control via document-level security provided by Apache Sentry. In my previous blog post, you learned about index-level security in Apache Sentry...
View ArticleNew in Cloudera Manager 5.1: Direct Active Directory Integration for Kerberos...
With this new release, setting up a separate MIT KDC for cluster authentication services is no longer necessary. Kerberos (initially developed by MIT in the 1980s) has been adopted by every major...
View ArticleMeet the Engineer: Sravya Tirukkovalur
Meet Sravya Tirukkovalur (@sravsatuluri), a Software Engineer working on Apache Hadoop security at Cloudera. What do you do at Cloudera, and in which Apache projects are you involved? I am a software...
View ArticleApache Hadoop 2.5.0 is Released
The Apache Hadoop community has voted to release Apache Hadoop 2.5.0. Apache Hadoop 2.5.0 is a minor release in the 2.x release line and includes some major features and improvements, including:...
View ArticleBig Data Benchmarks: Toward Real-Life Use Cases
The Transaction Processing Council (TPC), working with Cloudera, recently announced the new TPCx-HS benchmark, a good first step toward providing a Big Data benchmark. In this interview by Roberto...
View ArticleThe Early Release Books Keep Coming: This Time, Hadoop Security
Hadoop Security is the latest book from Cloudera engineers in the Hadoop ecosystem books canon. We are thrilled to announce the availability of the early release of Hadoop Security, a new book about...
View ArticleApache Kafka for Beginners
When used in the right way and for the right use case, Kafka has unique attributes that make it a highly attractive option for data integration. Apache Kafka is creating a lot of buzz these days. While...
View ArticleThis Month in the Ecosystem (September 2014)
Welcome to our 13th edition of “This Month in the Ecosystem,” a digest of highlights from September 2014 (never intended to be comprehensive; for that, see the excellent Hadoop Weekly). Cloudera...
View ArticleUsing Impala, Amazon EMR, and Tableau to Analyze and Visualize Data
Our thanks to AWS Solutions Architect Rahul Bhartia for allowing us to republish his post below. Apache Hadoop provides a great ecosystem of tools for extracting value from data in various formats and...
View ArticleNew in CDH 5.2: Apache Sentry Delegated GRANT and REVOKE
This new feature, jointly developed by Cloudera and Intel engineers, makes management of role-based security much easier in Apache Hive, Impala, and Hue. Apache Sentry (incubating) provides centralized...
View ArticleNew in CDH 5.2: Impala Authentication with LDAP and Kerberos
Impala authentication can now be handled by a combination of LDAP and Kerberos. Here’s why, and how. Impala, the open source analytic database for Apache Hadoop, supports authentication—the act of...
View ArticleNew in CDH 5.2: New Security App and More in Hue
Thanks to new improvements in Hue, CDH 5.2 offers the best GUI yet for using Hadoop. CDH 5.2 includes important new usability functionality via Hue, the open source GUI that makes Apache Hadoop easy to...
View ArticleInside Cloudera Director
With Cloudera Director, cloud deployments of Apache Hadoop are now as enterprise-ready as on-premise ones. Here’s the technology behind it. As part of the recent Cloudera Enterprise 5.2 release, we...
View ArticleWhere to Find Cloudera Tech Talks (Through End of 2014)
Find Cloudera tech talks in Seattle, Las Vegas, London, Madrid, Budapest, Barcelona, Washington DC, Toronto, and other cities through the end of 2014. Below please find our regularly scheduled...
View ArticleFor Apache Hadoop, The POODLE Attack Has Lost Its Bite
A significant vulnerability affecting the entire Apache Hadoop ecosystem has now been patched. What was involved? By now, you may have heard about the POODLE (Padding Oracle On Downgraded Legacy...
View ArticleNew in CDH 5.3: Transparent Encryption in HDFS
Support for transparent, end-to-end encryption in HDFS is now available and production-ready (and shipping inside CDH 5.3 and later). Here’s how it works. Apache Hadoop 2.6 adds support for transparent...
View ArticleWhere to Find Cloudera Tech Talks (through March 2015)
Find Cloudera tech talks in Austin, London, Washington DC, Zurich, and other cities through March 2015. Below please find our regularly scheduled quarterly update about where to find tech talks by...
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