Tag: cloudera manager

Issues with Triggers in Cloudera Manager

Valentin Nikotin explains why triggers in Cloudera Manager is a very useful feature, as well as how you can set them up to monitor tons of available metrics using tsquery language.

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Using Ansible to Secure Cloudera Manager Installation on a Hadoop Cluster

Building a secure Hadoop cluster requires protecting a number of services which comprise Hadoop infrastructure. If you are using CDH distribution, then Cloudera Manager (CM) is one of the components that needs to be secured. There is a good step by step guide in CM documentation, and it’s easy to follow for one server, but what when you have hundreds of them? There are different approaches to the problem of managing server’s configuration at scale, but I’d like to focus on Ansible which is a neat framework for parallel commands execution and complex rollouts.

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