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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2012/12/21 01:29:13 UTC
[jira] [Updated] (HBASE-6895) Remove CoprocessorProtocol support
and implementations
[ https://issues.apache.org/jira/browse/HBASE-6895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-6895:
-------------------------
Attachment: 6895.txt
First cut (I get a tingling sensation when I remove lots of code from hbase -- this patch brought it on).
Removes CoprocoessorProtocol, its support in protobufs, HTableInterface, HConnection, and on serverside in HRegionServer, etc.
Removed Exec, ExecResult, BaseEndpointCoprocessor, ExecPRCInvoker,
> Remove CoprocessorProtocol support and implementations
> ------------------------------------------------------
>
> Key: HBASE-6895
> URL: https://issues.apache.org/jira/browse/HBASE-6895
> Project: HBase
> Issue Type: Task
> Components: Coprocessors
> Affects Versions: 0.96.0
> Reporter: Gary Helmling
> Priority: Blocker
> Fix For: 0.96.0
>
> Attachments: 6895.txt
>
>
> The CoprocessorProtocol mechanism for registering and calling coprocessor endpoints has been supplanted by protocol buffer based service registrations in HBASE-5448. This means the Writable-based CoprocessorProtocol mechanism will need to be removed at some point.
> In discussion on the dev list, general consensus was that it is better to remove the CoprocessorProtocol mechanism completely in 0.96, where other backwards-incompatible changes are being made, and before it is adopted by more clients:
> http://mail-archives.apache.org/mod_mbox/hbase-dev/201209.mbox/%3CCADfYSXTvqEu3SifyWdZCi9kKPw1Hf9EoaKVGFOCbwRpSkdaCng%40mail.gmail.com%3E
> This is an umbrella issue to track what changes are required to completely remove the CoprocessorProtocol support.
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