Blog Archives

The Hadoop wars: Hortonworks vs. Cloudera in Social Media

Hadoop is a big part of what we do.  It’s great for processing large amounts of loosely structured data on commodity hardware.  Cloudera and Hortonworks  provide two of the most popular (in terms of corporate mindshare) distributions of Hadoop: CDH

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Posted in Technology, Tracking Social Events

We’re hiring – Russia office

iTrend just officially opened a new office in Russia. Located in Zelenograd, it’s only 23 miles (37 kilometers) from the center of Moscow. More information about Zelenograd positions (in Russian): http://www.itrendcorporation.com/we-are-hiring-ru….

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iTrend and Hortonworks Partner to Simplify Big Data Analytics

Stamford, CT – September 5, 2012 – iTrend LLC, a provider of big data analytics tools, today announced that it joined the Hortonworks Technology Partner Program to extend iTrend business intelligence tools to integrate with the Hortonworks Data Pl…

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Hadoop on Windows Azure: Visualizing Data

We are currently experimenting with a 32-node Apache Hadoop cluster on Windows Azure. The setup includes a web-based interactive JavaScript console, which lets you put data into HDFS, launch MapReduce jobs, and also visualize results with HTML5 ch…

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Today’s Hadoop-related conversations on Twitter, visualized

Today’s tweets are covering (starting with most popular) the following topics: Cloudera Big Data Oracle Big Data Appliance meetup Authors were using the following methods to tweet about Hadoop today (starting with most popular): Hootsuite Web Twee…

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Data Loss Prevention through Big Data analysis

With Stratfor still in the news after a massive security breach (you can read about it here), information security professionals should be looking into Big Data technologies. While it’s relatively easy to secure a web server, a database, or an iso…

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Microsoft updates Windows Azure, includes Hadoop-based service

MS announced multiple updates to their Azure platform, including a limited preview of an Apache Hadoop based service for Windows Azure that would simplify deployment of Hadoop applications: “To help bolster Big Data capabilities on Windows Azure, …

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Hbase MapReduce jobs need Zookeeper JAR files

If you don’t have Zookeeper JAR files in the Hadoop Java classpath, you will get the following error: [mike@hadoop-01 ~]$ cd /usr/lib/hbase [mike@hadoop-01 hbase]$ HADOOP_CLASSPATH=’bin/hbase classpath’ hadoop jar hbase-0.90.4-cdh3u2.jar importtsv…

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Lenovo B575 can run CentOS 5.7 and Hadoop

BestBuy has these on sale at $299.99, and they come with Windows 7 pre-installed: Lenovo B575 1450ABU Laptop / AMD Dual-Core E-450 Processor / 15.6″ LED HD Display / 4GB DDR3 Memory / 320GB Hard Drive / Multiformat DVD RW/CD-RW drive / Built-in 0…

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diagnosing HDFS access on Cloudera CDH3/SCM Express clusters

From looking at various Hadoop/CDH user groups, some people are having difficulty placing files in HDFS for the first time. A typical scenario goes like this: a newly configured CDH3 cluster (with the primary Namenode also being a Datanode) user i…

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