Tricks Point

Apache Hadoop distribution is a open source frame work that allows processing of large data sets across the clusters of computers. Disadvantages: - It is not usable for faster access of data. - We can't update the data. - It is a bash processing system not real time processing. - Deploy hadoop to cloud not possible. Some popular hadoop distributions are 1) Cloudera 2) Hortonworks - Total open source 3) Mapr