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From "Karthik Ranganathan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3375) Move away from jruby; build our shell elsewise either on another foundation or build up our own
Date Wed, 22 Dec 2010 21:55:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974406#action_12974406
] 

Karthik Ranganathan commented on HBASE-3375:
--------------------------------------------

Awesome discussion. I think the only way to make scripting for HBase take off is to allow
scripting in any language. Language lock-in for scripting takes away the real advantage of
scripting - all the time is spent in looking up the syntax (unless the person writing is committed
to learning the language). So in that sense, REST + JSON is awesome.

On a tangential note, REST+JSON also allows us to easily write HBase clients (that have ZK
integration) in languages other than Java (aka C++). This would allow efficiently interacting
with HBase from non Java services.

If we are agreed on the REST+JSON approach - now its only a matter of how to write the shell
the fastest in any language. I am not familiar with where the REST gateway stands today, and
how much work it is to move all the structures to JSON. If these are easy to get out the door,
then we should only think about the fastest way to write the shell.



> Move away from jruby; build our shell elsewise either on another foundation or build
up our own
> -----------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3375
>                 URL: https://issues.apache.org/jira/browse/HBASE-3375
>             Project: HBase
>          Issue Type: Task
>          Components: shell
>            Reporter: stack
>             Fix For: 0.92.0
>
>
> JRuby has been sullied; its been shipping *GPL jars with a while now.  A hack up to remove
these jars is being done elsewhere (HBASE-3374).  This issue is about casting our shell anew
atop a foundation that is other than JRuby or writing a shell of our own from scratch.
> JRuby has gotten us this far.  It provides a shell and it also was used scripting HBase.
 It would be nice if we could get scripting and shell in the redo.
> Apart from the licensing issue above and that the fix will be reverting our JRuby to
a version that is no longer supported and that is old, other reasons to move off JRuby are
that while its nice having ruby to hand when scripting, the JRuby complete jar is 10 or more
MB in size.  Its bloated at least from our small shell perspective.

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