James Taylor created HBASE-12883:
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             Summary: Support block encoding based on knowing set of column 
qualifiers up front
                 Key: HBASE-12883
                 URL: https://issues.apache.org/jira/browse/HBASE-12883
             Project: HBase
          Issue Type: Bug
            Reporter: James Taylor


Phoenix knows up front the set of column qualifiers a row will have. We could 
likely get some good compression with little CPU based on this by having a 
block encoding scheme that leverages this information. It could be made 
non-Phoenix specific by identifying the set of column qualifiers through meta 
data to the block encoder.



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