Anoop Sam John created HBASE-16706:
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             Summary: Allow users to have Custom tags on Cells
                 Key: HBASE-16706
                 URL: https://issues.apache.org/jira/browse/HBASE-16706
             Project: HBase
          Issue Type: Improvement
            Reporter: Anoop Sam John
            Assignee: Anoop Sam John
             Fix For: 2.0.0


The Codec based strip of tags was done as a temp solution not to pass the 
critical system tags from server back to client. This also imposes the 
limitation that Tags can not be used by users. Tags are a system side feature 
alone. In the past there were some Qs in user@ for using custom tags. 
We should allow users to set tags on Cell and pass them while write. Also these 
custom tags must be returned back to users (Irrespective of codec and all). The 
system tags (like ACL, visibility) should not get transferred btw client and 
server. And when the client is run by a super user, we should pass all tags 
(including system tags). This way we can make sure that all tags are passed 
while replication and also tool like Export gets all tags. 



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