
73
3
Hadoop
Hadoop is the primary standard for distributed computing for at least two
reasons: (1) it has the power and the tools to manage distributed nodes
and clusters, and (2) it is free from the Apache Foundation. MapReduce
and Hadoop Distributed File System (HDFS) are the two dierent parts of
Hadoop. Apache lists the following projects as related to Hadoop:
1
• Ambari: A web-based tool for provisioning, managing, and monitor-
ing Apache Hadoop clusters, which includes support for HDFS, Hadoop
MapReduce, Hive, HCatalog, HBase, ZooKeeper, Oozie, Pig, and Sqoop
• Avro: A data serialization system
• Cassandra: A scalable multimaster database ...