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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8496) Implement tags and the internals of how a tag should look like
Date Sat, 08 Jun 2013 19:16:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13678821#comment-13678821
] 

Andrew Purtell commented on HBASE-8496:
---------------------------------------

{quote}
bq. Is putting tags after value a good idea?

Oops, So you mean that tags needs to be part of the KV comparisions itself. Was thinking that
would be a major change. So we need to sort KVs based on tags also?
{quote}

I would strongly caution against this. Tags will be _arbitrary_ metadata and won't have anything
to do with locating the value itself. 

On the other hand, some use cases may want it, see https://issues.apache.org/jira/browse/HBASE-6222?focusedCommentId=13396190&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13396190


I don't have a good answer for resolving this conflict. 

We may just want to live with the constraints imposed by not having tags be part of the key.
This would significantly simplify implementation.
                
> Implement tags and the internals of how a tag should look like
> --------------------------------------------------------------
>
>                 Key: HBASE-8496
>                 URL: https://issues.apache.org/jira/browse/HBASE-8496
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.98.0
>
>
> The intent of this JIRA comes from HBASE-7897.
> This would help us to decide on the structure and format of how the tags should look
like. 

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