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Posted to dev@avro.apache.org by "Thiruvalluvan M. G. (JIRA)" <ji...@apache.org> on 2018/12/30 04:18:01 UTC

[jira] [Updated] (AVRO-1192) trevni should support RLE encoding based on selectivity

     [ https://issues.apache.org/jira/browse/AVRO-1192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thiruvalluvan M. G. updated AVRO-1192:
--------------------------------------
    Component/s: java

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