The current major release, Hadoop 2.0 offers several significant HDFS improvements including new append-pipeline, federation, wire compatibility, NameNode HA, Snapshots, and performance improvements. describe
Apache Hive is the most widely used SQL interface for Hadoop. As Hadoop usage continues its explosive growth, Hive`s performance and features do not meet the requirements and expectation of many users.
WASHINGTON — Federal health authorities say more than 275 people in seven states have now been sickened with an unidentified stomach bug. The Food and Drug Administration is investigating the cyclospora