Category Archives: CDH

What’s New in Cloudera Director 2.1?

Categories: CDH Cloud Cloudera Manager Hadoop

This new release contains, among other things, support for usage-based billing, deployments to Microsoft Azure, and deployments across providers or regions.

Cloudera Director is a manifestation of Cloudera’s commitment to provide a simple and reliable way to deploy, scale, and manage Apache Hadoop in the cloud of your choice. Cloudera Director enables you to deploy production-ready clusters for big data applications and successfully run workloads in the cloud. With Cloudera Director 2.1,

Read More

How-to: Detect and Report Web-Traffic Anomalies in Near Real-Time

Categories: CDH Flume Impala Spark Use Case

This framework based on Apache Flume, Apache Spark Streaming, and Apache Impala (incubating) can detect and report on abnormal bad HTTP requests within seconds.                     

Website performance and availability are mission-critical for companies of all types and sizes, not just those with a revenue stream directly tied to the web. Web pages can become unavailable for many reasons, including overburdened backing data stores or content-management systems or a delay in load times of third-party content such as advertisements.

Read More

New in CDH 5.7: Improved Performance, Security, and SQL Experience in Hue

Categories: CDH Hue

CDH 5.7 includes a lot of changes (more than 1,500) to Hue, the Web UI that makes Apache Hadoop easier to use.

In this new release, the emphasis on performance and security carries over from 5.5. The overall improvement in the SQL user experience is also considerable.

In this post, we’ll cover some highlights.

New Hive Metastore Interface

This app is now on a single page, 

Read More

How-to: Process and Index Medical Images with Apache Hadoop and Apache Solr

Categories: CDH Guest Search Use Case ZooKeeper

Thanks to Karthik Vadla, Abhi Basu, and Monica Martinez-Canales of Intel Corp. for the following guest post about using CDH for cost-effective processing/indexing of DICOM (medical) images.

Medical imaging has rapidly become the best non-invasive method to evaluate a patient and determine whether a medical condition exists. Imaging is used to assist in the diagnosis of a condition and, in most cases, is the first step of the journey through the modern medical system.

Read More

How-to: Deploy a Secure Enterprise Data Hub on AWS

Categories: CDH Cloud How-to Ops and DevOps

Learn how to use Cloudera Director, Microsoft Active Directory, and Centrify Express to deploy a secure EDH cluster for workloads in the public cloud. 

There are several best practices for deploying a secure Apache Hadoop-powered enterprise data hub (EDH) cluster on Amazon Web Services (AWS), including use of Centrify Express for Linux-to-Active Directory host integration and Microsoft Active Directory as the core integration point for identity, authentication, authorization, and public key infrastructure (PKI).

Read More