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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] Closed: (NUTCH-808) Evaluate ORM Frameworks which support non-relational column-oriented datastores and RDBMs
Date Mon, 26 Apr 2010 17:19:32 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar closed NUTCH-808.
-------------------------------

    Resolution: Fixed

We have decided to go on with implementing an ORM layer as per the discussion on NUTCH-811.
Closing this issue. 

> Evaluate ORM Frameworks which support non-relational column-oriented datastores and RDBMs

> ------------------------------------------------------------------------------------------
>
>                 Key: NUTCH-808
>                 URL: https://issues.apache.org/jira/browse/NUTCH-808
>             Project: Nutch
>          Issue Type: Task
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0
>
>
> We have an ORM layer in the NutchBase branch, which uses Avro Specific Compiler to compile
class definitions given in JSON. Before moving on with this, we might benefit from evaluating
other frameworks, whether they suit our needs. 
> We want at least the following capabilities:
> - Using POJOs 
> - Able to persist objects to at least HBase, Cassandra, and RDBMs 
> - Able to efficiently serialize objects as task outputs from Hadoop jobs
> - Allow native queries, along with standard queries 
> Any comments, suggestions for other frameworks are welcome.

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