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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1907) Version all client writables
Date Fri, 16 Oct 2009 00:48:31 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766354#action_12766354
] 

Andrew Purtell commented on HBASE-1907:
---------------------------------------

We could inherit from VersionedWritable. I thought HTD and HCD did in fact do that, but when
I looked they did not. Also I seem to recall some use of VersionedWritable in HBase but a
search turned up only ClusterStatus and HRegionInfo. I flipped a coin and did it the HTD/HCD
way. Maybe commit this and then look at moving all ad hoc Writable versioning to use VersionedWritable?

> Version all client writables
> ----------------------------
>
>                 Key: HBASE-1907
>                 URL: https://issues.apache.org/jira/browse/HBASE-1907
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.21.0
>
>         Attachments: HBASE-1907.patch
>
>
> All client writables should be versioned. See HBASE-1537, which adds a parameter to scan
that enables a scanning mode suitable for wide tables. Without versioning the modification
results in incompatible RPC with previous releases. We can't put this into a minor release
for that reason and that reason alone. 

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