
Patterson and Carroll say they see utilities turning to Hadoop and open source data processing for other forms of smart grid data, like information from smart meters. Patterson doesn't see utilities turning to traditional data storage ...

Patterson and Carroll say they see utilities turning to Hadoop and open source data processing for other forms of smart grid data, like information from smart meters. Patterson doesn't see utilities turning to traditional data storage ...

To get Boto to work with Elastic Mapreduce you need to dynamically load boto on each mapper and reducer, Cloudera's Jeff Hammerbacher outlined how to do that using Hadoop Distributed Cache and Peter Skomorroch suggested how to load Boto ...

They describe what they're doing as “engineering game-changing Map/Reduce related technologies”. They're conducting a survey with some interesting questions for Hadoop users. Taking the survey buys you coffee for a few days.

Jaql is a query language designed for Javascript Object Notation (JSON), a data format that has become popular because of its simplicity and modeling flexibility. Jaql is primarily used to analyze large-scale semi-structured data. Core features include user extensibility and parallelism...

Hadoop Crunches Web-Sized Data InformationWeek. The answer is a cluster-based analysis system, sometimes referred to loosely as a cloud database system. At the Cloud Computing Conference and Expo Nov. ...

Hadoop The story so far for High Availability of Hadoop Distributed File System.
Source: hadoopblog.blogspot.com
I have encountered plenty of questions about the single point of failure for the HDFS NameNode. The most common concern being that if the NameNode dies, then the whole cluster is unavailable. This means that HDFS is unsuitable for applications that need a high degree of uptime. ...

Hadoop is getting more popular these days. Lets look at what it is good at and what not.The Map/Reduce Programming modelMap/Reduce offers a different programming model for handling concurrency than the traditional multi-thread model. ...

They describe what they're doing as “engineering game-changing Map/Reduce related technologies”. They're conducting a survey with some interesting questions for Hadoop users. Taking the survey buys you coffee for a few days. ...

Hadoop is getting more popular these days. Lets look at what it is good at and what not.The Map/Reduce Programming modelMap/Reduce offers a different...

Here are the slides from my recent talks at Hadoop World 2009, New York, and at UIUC and Carnegie Mellon the following week. These outline how Yahoo! uses Hadoop. The university talk includes learnings from building and deploying Hadoop ...

Ashutosh and I presented at the Pittsburgh Hadoop User Group on Apache Pig. The slide deck goes through a brief into to Pig Latin, then jumps into an explanation of the different join algorithms, and finishes up with some research ideas ...








