Apache Hadoop

Currently, the Hadoop distribution has an open source version of Apache and a Hortonworks distribution (HDP Hadoop), MapR Hadoop, and so on. All of these distributions are based on Apache Hadoop.

Hadoop is a software framework that enables distributed processing of large amounts of data. The Hadoop distribution provides its own commercial version in addition to Apache hadoop, cloudera, hortonworks, mapR, Huawei, and DShadoop.

"Hadoop Distributed File System (HDFS), a distributed file system that supports high-throughput access to application data；hadoop YARN, a framework for job scheduling and cluster resource management. "

Hadoop (HDP) cluster kerberos authentication implementation, for security reasons, this article hides some system names and service names, and modified some of the parts that may cause information leakage.

Hdp hadoop installation is not a smooth success every time, inevitably will always report a lot of errors, here are some wrong solutions.