Tag: Hadoop

Hybrid Databases: Key to Your Success

Christo Kutrovsky, ATCG Principal Consultant and Oracle ACE at Pythian, discusses the importance of hybrid databases, their challenges, and choosing the right database solution for your organization.

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Configure High Availability – Load Balancing for Hiveserver2

Manoj Kukreja, Pythian Big Data Consultant, provides you with the right steps to ensure that you have a smooth and available Hive system, performing under increased workloads.

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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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Recursion in Hive – Part 1

In Part 1 of this series, Valentin Nikotin, will teach you about migrating from RDBMS to Hive, while maintaining the simplicity and flexibility of a SQL approach.

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What is Big Data and Do You Really Need it?

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Are you interested in transforming your business potential, but stuck asking the same old question, “What is Big Data? Pythian’s CTO and Oracle Ace, Alex Gorbachev, explains everything you need to know.

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Step-by-Step Upgrades to Cloudera Manager and CDH

Lately, several of our security conscious clients have expressed a desire to install and/or upgrade their Hadoop distribution on cluster nodes that do not have access to the internet. In such cases the installation needs to be performed using local…

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Log Buffer #443: A Carnival of the Vanities for DBAs

This Log Buffer Edition finds and publishes blog posts from Oracle, SQL Server and MySQL.

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Calculating Business Days in HiveQL

One of the common tasks in data processing is to calculate the number of days between two given dates. You can easily achieve this by using Hive DATEDIFF function. You can also get weekday number by using this more obscure…

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Watch: Hadoop vs. Riak

Every data platform has its value, and deciding which one will work best for your big data objectives can be tricky—Alex Gorbachev, Oracle ACE Director, Cloudera Champion of Big Data, and Chief Technology Officer at Pythian, has recorded a series…

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Watch: Hadoop vs. HBase

Every data platform has its value, and deciding which one will work best for your big data objectives can be tricky—Alex Gorbachev, Oracle ACE Director, Cloudera Champion of Big Data, and Chief Technology Officer at Pythian, has recorded a series…

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