The following is a high level architecture that explains how hdfs works.
What does hadoop stand for.
In the above diagram there is one namenode and multiple datanodes servers.
Some of the most popular applications are.
Spark an open source distributed processing system commonly used for big data.
Big data is a popular topic these days not only in the tech media but also among mainstream news outlets and october s official release of big data software framework hadoop 2 0 is generating even more media buzz.
The hadoop ecosystem has grown significantly over the years due to its extensibility.
If you have 2 minutes you can watch a video 1 with more details.
The hadoop distributed file system hdfs is a distributed scalable and portable file system written in java for the hadoop framework.
B1 b2 indicates data blocks.
Well being a versatile actor hadoop can fit into many roles depending on the script of the movie business needs.
Doug used the name for his open source project because it was easy to pronounce and to google.
What does hadoop do.
Hadoop is an open source java based programming framework that supports the processing and storage of extremely large data sets in a distributed computing environment.
It is part of the apache project sponsored by the apache software foundation.
It is a very efficient technology to manage the hadoop cluster.
High availability distributed object oriented platform is one option get in to view more the web s largest and most authoritative acronyms and abbreviations resource.
Cloudera ceo and strata speaker mike olson whose company offers an enterprise distribution of hadoop and contributes to the project discusses hadoop s background and its applications in the following interview.
Hdfs stands for hadoop distributed file system which is the storage system used by hadoop.
The name hadoop was given by one of doug cutting s sons to that son s toy elephant.
Yarn is a part of hadoop 2 version under the aegis of the apache software foundation.
But while you informationweek reader clearly understand hadoop s significance there s a high probability that many people in your organization including more than a few.
Some consider it to instead be a data store due to its lack of posix compliance but it does provide shell commands and java application programming interface api methods that are similar to other file systems.
Looking for the definition of hadoop.
Yarn is a completely new way of processing data and is now rightly at the centre of the hadoop architecture.
The following are some of the key points to remember about the hdfs.
Hadoop gets a lot of buzz these days in database and content management circles but many people in the industry still don t really know what it is and or how it can be best applied.
