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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7533) Write an RPC Specification for 0.96
Date Fri, 18 Jan 2013 01:07:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556843#comment-13556843
] 

Enis Soztutar commented on HBASE-7533:
--------------------------------------

bq. But I'd suggest we do not need a generically extensible system that allows adding new
payload-bearing exception types (see above where we would want to discourage control via exception).
Totally agreed. 
bq. Do you lot think there could be more? It would have to be exceptions that were not method
specific because for these types then we should suggest the method response include the exception
as an optional response. So that leaves exceptions that could come out of multiple methods
or problems the server encounters while running.
Again, the other concerning thing is DoNotRetryIOException. Although it does not carry data,
we basically do control flow on subclasses of this exception. Maybe we should add a field
bool doNotRetry, in the RpcException. 
bq. I'd think that we'd try and keep the spec as narrow as possible (and no narrower) so if
we could do without having an extensible fancy payload bearing exception types system, lets
punt.
Agreed. But what I am saying is that we already do have those in place and get rid of the
string parsing one way or the other. 
                
> Write an RPC Specification for 0.96
> -----------------------------------
>
>                 Key: HBASE-7533
>                 URL: https://issues.apache.org/jira/browse/HBASE-7533
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.96.0
>
>         Attachments: 7533_proto_sketch.txt, rpc_spec.txt
>
>
> RPC format is changing for 0.96 to accomodate our protobufing all around.  Here is a
first cut.  Please shred: https://docs.google.com/document/d/1-1RJMLXzYldmHgKP7M7ynK6euRpucD03fZ603DlZfGI/edit

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