The DO Network Enterprises

THE HUMAN STUPIDITY OUR FEARS ENVIRONMENT, ECOLOGY AND NUTRITION THE THOUGHTLESS THAT DOMINATE THE WORLD WHAT WE ARE AND WHERE WE ARE WHAT IS GOD ? THE UNIVERSE AND US SELECTION OF MY MUSIC If you don't clearly understand what human stupidity consist of, just look around you. There are always wars, territorial conflicts among countries, slaughters and starvation. But it is not necessary to look so far to see the human stupidity. Pay attention to the news, read books and magazines, listen to those who surround you and observe what they quarrel and worry about, and at last, look at yourself. Mankind as well as having developed with brilliance, is a stupid species. The human being creates unnecessary problems for himself and for others and is not still qualified to live and coexist in peace and to advance with generosity and respect forthe fellow-being and doesn't still imagine that each advance or own mistake implies an advance or a damage to the oth...

I’m sure you’ve heard about Big Data. If not, I recommend you my blog post “ What is Big Data  ?” The most well known technology used for Big Data is Hadoop. It is used by Yahoo, eBay, LinkedIn and Facebook. It has been inspired from Google publications on MapReduce, GoogleFS and BigTable. As Hadoop can be hosted on commodity hardware (usually Intel PC on Linux with one or 2 CPU and a few TB on HDD, without any RAID replication technology), it allows them to store huge quantity of data (petabytes or even more) at very low cost (compared to SAN bay systems). Hadoop is an open source suite, under an apache foundation: http://hadoop.apache.org/ . The Hadoop “brand” contains many different tools. Two of them are core parts of Hadoop: Hadoop Distributed File System (HDFS)  is a virtual file system that looks like any other file system except than when you move a file on HDFS, this file is split into many small files, each of those files is replicated and stored on (usua...

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