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From "eric baldeschwieler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8016) HBase as an embeddable library, but still using HDFS
Date Wed, 06 Mar 2013 22:02:13 GMT
eric baldeschwieler created HBASE-8016:

             Summary: HBase as an embeddable library, but still using HDFS
                 Key: HBASE-8016
                 URL: https://issues.apache.org/jira/browse/HBASE-8016
             Project: HBase
          Issue Type: Wish
            Reporter: eric baldeschwieler

This goes in the "strange idea" bucket...  

I'm looking for a tool to allow folks to store key-value data into HDFS so that hadoop companion
layers & apps don't need to rely either on external database or a NoSQL store.  HBase
itself is often not running on such clusters and we can not add it as a requirement for many
of the use cases I'm considering.

But...  what if we produced a library that provided the basic HBase API (creating tables &
putting / getting values...) and this library was pointed at HDFS for durability.  This library
would effectively embed a region server and the the master in a node and provide only API
level access within that JVM.  We would skip marshaling & networking, gaining a fair amount
of efficiency.  An application using this library would gain all of the advantages of HBase
without adding any additional administrative complexity of managing HBase as a distributed


Example use cases...  Right now a typical hadoop install runs serval services that use databases
(Oozie, HCat, Hive ...).  What if some of these could be ported to use HDFS itself as their
store with the HBase API provided to manage their data.

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