Hadoop

CCA131 – Cloudera Administration Certification

Install Demonstrate an understanding of the installation process for Cloudera Manager, CDH, and the ecosystem projects. Set up a local CDH repository:  Local CDH repository Perform OS-level configuration for Hadoop installation Install Cloudera Manager server and agents Install CDH using Cloudera Manager Add a new node to an existing cluster Add a service using Cloudera… Continue reading CCA131 – Cloudera Administration Certification

AWS

S3 – Versioning

Versioning is a method of keeping multiple modifications/versions of an object in the same bucket. You can use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. With versioning, you can easily recover from both unintended user actions, accidental deletes and application failures. How Versioning works: In… Continue reading S3 – Versioning