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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-794) Language neutral IPC as a first class component of HBase architecture
Date Tue, 05 May 2009 07:59:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705940#action_12705940
] 

ryan rawson commented on HBASE-794:
-----------------------------------

KeyValue isn't a subclass of byte [] and never will be...

This is because a KeyValue isnt just a wrapper over byte [], it is designed to reference a
larger byte buffer.  One will always need to use an array offset and length when accessing
sub parts of a KeyValue.

> Language neutral IPC as a first class component of HBase architecture
> ---------------------------------------------------------------------
>
>                 Key: HBASE-794
>                 URL: https://issues.apache.org/jira/browse/HBASE-794
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: client, ipc, master, regionserver
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>
> This issue considers making a language neutral IPC mechanism and wire format a first
class component of HBase architecture. Clients could talk to the master and regionserver using
this protocol instead of HRPC at their option.
> Options for language neutral IPC include:
> * Thrift: http://incubator.apache.org/thrift/
> * Protocol buffers: http://code.google.com/p/protobuf/
> * XDR: http://en.wikipedia.org/wiki/External_Data_Representation

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