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What are the different parts of Hadoop?

What are different graph databases which should be considered and can be used with hadoop also?

  • MY problem involve representing entities as graph nodes and some relationships between them. However data is huge and it won't work for single system. I want to use Hadoop infra for that purpose. Is there any database which we can use that can make retrieval easy later on. Please suggest

  • Answer:

    I'm not an expert in this domain, but I have recently started playing with Neo4J. I've been really impressed with the efficiency, scalability, and wide array of support and tools for Neo4J (Heroku support, Spring, Grails/GORM, Ruby API, Neoclipse, gremlin. cypher, etc.) I can't imagine you'll be disappointed, and there is a free version that is not crippleware. Other Graph DB's I've heard mention of, but have not used myself: Infinite Graph OrientDB DEX AllegroGraph Sones I'd love to hear if other's have favorites.

Edward Mengel at Quora Visit the source

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If you are looking for something that goes beyond a single server architecture you may want to try out InfiniteGraph for Big Data analytics. InfiniteGraph offers a free download from their website as well as developer resources and links, including a Wiki that offers free application samples to get you started. *Disclaimer - I work for Objectivity.

Patricia Stamos

Have a look at Titan: http://thinkaurelius.github.io/titan/ Titan can run on HBase and they have a graph analytics engine, Faunus, that runs on Hadoop.

Nezih Yigitbasi

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