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https://issues.apache.org/jira/browse/HBASE-10183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851194#comment-13851194
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Jeffrey Zhong commented on HBASE-10183:
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For user tags, we have no control.
For system tags, it's theoretically possible that we can use tag types in
non-sequential mode. Since we declare all system tag types in one place, I
don't think people will normally do that.
> Need enforce a reserved range of system tag types
> -------------------------------------------------
>
> Key: HBASE-10183
> URL: https://issues.apache.org/jira/browse/HBASE-10183
> Project: HBase
> Issue Type: Task
> Components: HFile
> Affects Versions: 0.98.0
> Reporter: Jeffrey Zhong
> Priority: Critical
> Fix For: 0.98.0
>
>
> If we don't reserve a system tag types now, let's say 0-64(total tag type
> range is 0-255). We'll have a hard time when introducing a new system tag
> type in the future because the new tag type may collide with an existing user
> tag type as tag is open to users as well.
> [~ram_krish], [~anoop.hbase] How do you guys think?
> Thanks!
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