Apache Ambari 1.5.1 is Released!
Apache Ambari community proudly released version 1.5.1. This is the result of constant, concerted collaboration among the Ambari project’s many members. This release represents the work of over 30 individuals over 5 months and, combined with the Ambari 1.5.0 release, ...
10 Hadoop Hardware Leaders
Hadoop software is designed to orchestrate massively parallel processing on relatively low-cost servers that pack plenty of storage close to the processing power. All the power, reliability, redundancy, and fault tolerance is built into the software, which distributes the data ...
Using Apache Hadoop and Impala together with MySQL for data analysis
Apache Hadoop is commonly used for data analysis. It is fast for data loads and scalable. In a previous post I showed how to integrate MySQL with Hadoop. In this post I will show how to export a table from ...
Apache Hive Updated with SQL-on-Hadoop Features
The Apache Hive community has voted on and released version 0.13. This is a significant release that represents a major effort from over 70 members who worked diligently to close out over 1080Â JIRA tickets.
Hive 0.13 also delivers the third and ...
How to Run a Simple Apache Spark App in CDH 5
Getting started with Spark (now shipping inside CDH 5) is easy using this simple example.
Apache Spark is a general-purpose, cluster computing framework that, like MapReduce in Apache Hadoop, offers powerful abstractions for processing large datasets. For various reasons pertaining to ...
Hadoop or Warehousing, or Both?
One of the thornier questions facing enterprise executives in these days of broad infrastructural change is how to deal with Big Data. On the surface, it may seem like a no-brainer: No matter how big the data load becomes, there ...
How Accurate is Mahout for Summing Numbers?
A question was recently posted on the Mahout mailing list suggesting that the Mahout math library was "unwashed" because it didn't use Kahan summation. Â My feeling is that this complaint is not founded and Mahout is considerably more washed than ...
10 Hot Hadoop Startups to Watch in 2025
It's no secret that data volumes are growing exponentially. What's a bit more mysterious is figuring out how to unlock the value of all of that data. A big part of the problem is that traditional databases weren't designed for ...
Top 30 Big Data Companies to watch in 2025
. The Big Data space is heating up – to the point that many pundits already see it as the over-hyped heir to "cloud." The hype may be a bit much, but Big Data is already living up to its ...
Cassandra-Database Solution for modern day applications?
Cassandra is a one stop choice for data driven organizations dealing with real-time Big Data operations for their core functionalities. Now what makes it so dear to the developers and organizations dealing huge databases is a bunch of features that ...