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From "Chad Walters (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-794) Language neutral IPC as a first class component of HBase architecture
Date Sun, 03 May 2009 00:29:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705356#action_12705356

Chad Walters commented on HBASE-794:

Re 1: Agreed with Andrew -- not a good way to go

Re 2 and 4: Looking at the test code at http://code.google.com/p/thrift-protobuf-compare it'
clear the TBinaryProtocol was used for the tests, not TCompactBinaryProtocol. They also used
TIOStreamTransport -- can't speak to the quality of this transport one way or another although
I gotta think that wrapping it with TFramedTransport would likely reduce some overhead.

Re 3: No idea. I gotta imagine that some work is needed here since the Java stuff is less
mature than the C++ stuff. Is Bryan watching this ticket? He's the guy to ask for sure.

Re 5: We should look at where we really want nulls and see if this is too onerous.

Re 6: Let's please not go down the route of custom RPC -- let's leverage something reasonable
such that the RPC isn't really part of the problem.

> 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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