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From "alex gemini (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-1192) trevni should support RLE encoding based on selectivity
Date Tue, 06 Nov 2012 13:46:13 GMT
alex gemini created AVRO-1192:
---------------------------------

             Summary: trevni should support RLE encoding based on selectivity
                 Key: AVRO-1192
                 URL: https://issues.apache.org/jira/browse/AVRO-1192
             Project: Avro
          Issue Type: Improvement
          Components: java
    Affects Versions: 1.8.0
            Reporter: alex gemini
            Priority: Minor


it would be nice if trevni support run-length encoding. columnar format should first sort
the columnar order based on selectivity .for higher selectivity column trenvi should support
run-length encoding .more information will be found in paper "C-Store: A Column-oriented DBMS"
section 3.1 :Encoding Schemes 

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