Tag Archives: Amazon S3

A Technical Overview of Cloudera Altus Analytic DB

Categories: Altus Analytic Database Cloud

A few weeks back, we announced the upcoming beta of Cloudera Altus Analytic DB for cloud-based data warehousing. As promised, the beta is now available and we wanted to spend some time describing the unique architecture.

Architecture of Cloudera Altus Analytic DB

Altus Analytic DB is built on the Cloudera Altus platform-as-a-service foundation, which also supports the Altus Data Engineering service. The architecture of Cloudera Altus is based around a few simple but important premises —

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Apache Impala is now a Top-Level Apache Project

Categories: CDH Hadoop Impala

Five years ago, Cloudera shared with the world our plan to transfer the lessons from decades of relational database research to the Apache Hadoop platform via a new SQL engine — Apache Impala — the first and fastest open source MPP SQL engine for Hadoop.  Impala enabled SQL users to operate on vast amounts of data in open formats, stored on HDFS originally (with Apache Kudu, Amazon S3, and Microsoft ADLS now also native storage options),

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New in Cloudera Enterprise 5.12: Hue 4 Interface and Query Assistant

Categories: CDH Cloudera Manager Cloudera Navigator Hadoop Hue

When it comes to self-service business intelligence and exploratory analytics, Cloudera has continued to push limits and innovate to help our customers expedite this journey and get the most value from their data. Over the past year, we have made a number of significant advancements in Hue to provide a more powerful user experience for SQL developers and make them more productive for their every day self-service BI tasks and workflows.

With the recent release of Cloudera 5.12,

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Introducing S3Guard: S3 Consistency for Apache Hadoop

Categories: Altus CDH Cloud Hadoop

Synopsis

This article introduces a new Apache Hadoop feature called S3Guard. S3Guard addresses one of the major challenges with running Hadoop on Amazon’s Simple Storage Service (S3), eventual consistency. We outline the problem of S3’s eventual consistency, how it affects Hadoop workloads, and explain how S3Guard works.

Problem

Although Apache Hadoop has support for using Amazon Simple Storage Service (S3) as a Hadoop filesystem, S3 behaves different than HDFS.  One of the key differences is in the level of consistency provided by the underlying filesystem.

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