hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Krishna Kumar (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-2600) Enable/Add type-specific compression for rcfile
Date Mon, 21 Nov 2011 05:45:51 GMT
Enable/Add type-specific compression for rcfile
-----------------------------------------------

                 Key: HIVE-2600
                 URL: https://issues.apache.org/jira/browse/HIVE-2600
             Project: Hive
          Issue Type: Sub-task
          Components: Query Processor, Serializers/Deserializers
            Reporter: Krishna Kumar
            Assignee: Krishna Kumar
            Priority: Minor


Enable schema-aware compression codecs which can perform type-specific compression on a per-column
basis. I see this as in three-parts

1. Add interfaces for the rcfile to communicate column information to the codec

2. Add an "uber compressor" which can perform column-specific compression on a per-block basis.
Initially, this can be config driven, but we can go for a dynamic implementation later.

3. A bunch of type-specific compressors

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message