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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Hbase/HBaseWireCompatibility" by JimmyXiang
Date Tue, 14 Feb 2012 00:45:14 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "Hbase/HBaseWireCompatibility" page has been changed by JimmyXiang:
http://wiki.apache.org/hadoop/Hbase/HBaseWireCompatibility?action=diff&rev1=7&rev2=8

  Currently, the HBase RPC engine does not support async IO or protocol  negotiation.  These
features don't impact compatibility and therefore  can evolve separately and are not in scope
for this document.
  
  ==== Interfaces ====
+ 
- {{https://docs.google.com/a/cloudera.com/leaf?id=0BzYqRa05S66NMDcxMjUyYTMtZWE2Yy00ZmIyLThiMjgtMjJkNGU0NGU5OTg1}}
+ {{http://docs.google.com/a/cloudera.com/leaf?id=0BzYqRa05S66NMDcxMjUyYTMtZWE2Yy00ZmIyLThiMjgtMjJkNGU0NGU5OTg1}}
  
   1. Client talks to ZK to find out the location of the master and the root region server.
   1. Client applications talk to RS using '''HRegionInterface''' to read from/write to/scan
a table, etc..
@@ -73, +74 @@

  
   . To make HBase client applications work properly with HBase clusters of different major
and minor versions.
  
- Note: deal with 1, 2, 3 (we get 8 "for free") in the interface graph.
- These tasks can be sub-tasks of [[https://issues.apache.org/jira/browse/HBASE-5305|HBASE-5305
Improve cross-version compatibility & upgradeability]] or [[https://issues.apache.org/jira/browse/HBASE-5306|HBASE-5306
Add support for protocol buffer based RPC]].  HBASE-5306 can also include a new RPC engine
(the latest Hadoop one). This plan focuses on the data encoding/decoding.
+ Note: deal with 1, 2, 3 (we get 8 "for free") in the interface graph. These tasks can be
sub-tasks of [[https://issues.apache.org/jira/browse/HBASE-5305|HBASE-5305 Improve cross-version
compatibility & upgradeability]] or [[https://issues.apache.org/jira/browse/HBASE-5306|HBASE-5306
Add support for protocol buffer based RPC]].  HBASE-5306 can also include a new RPC engine
(the latest Hadoop one). This plan focuses on the data encoding/decoding.
  
  Tasks:
  

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