namenode Archives

By RahulAugust 18, 2016

Namenode loads the filesystem state from fsimage and stays in safe mode and wait for data nodes to report their…

By RahulNovember 12, 2015

Having been around for some time now, Hadoop has become one of the most popular open-source big data solutions. It…

By RahulJanuary 10, 2015

Apache Hadoop 2.6.5 noticeable improvements over the previous stable 2.X.Y releases. This version has many improvements in HDFS and MapReduce.…