Schlagwort: mapreduce
-
Mapred vs MapReduce – The API question of Hadoop and impact on the Ecosystem
I will describe in this blog post the difference between the mapred.* and mapreduce.* API in Hadoop with respect to the custom InputFormats and OutputFormats. Additionally I will write on the impact of having both APIs on the Hadoop Ecosystem and related Big Data platforms, such as Apache Flink, Apache Hive and Apache Spark. Finally,…
-
Example projects for using various NoSQL and Big Data technologies
Recently, I published on github.com several example Java projects for using various NoSQL technologies: cassandra-tutorial : Apache Cassandra tutorial (Column-oriented database) mongodb-tutorial : Mongo DB tutorial (Document database) neo4j-tutorial : Neo4J (Graph Database) redis-tutorial : Redis (Key/Value Store) solr-tutorial : Apache SolrCloud (Search technology) Other example Java projects aim at standardized big data processing platforms:…