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From "Joydeep Sen Sarma (JIRA)" <>
Subject [jira] Created: (HIVE-85) separate compression options for different output types
Date Thu, 27 Nov 2008 19:00:44 GMT
separate compression options for different output types

                 Key: HIVE-85
             Project: Hadoop Hive
          Issue Type: Bug
            Reporter: Joydeep Sen Sarma

currently hive uses mapred.output.compress to determine compression for all output files.
however not all files are final output. at least three different kinds of output files are
1. intermediate output files for next map-reduce job
2. files targeted for result hdfs directories or hive tables/partitions (which are just hdfs
3. files written to user local directories (downloading results)

the plan is to provide three separate options for controlling 1,2,3 separately. we may want
to split (2) in case compression is determined by table metadata (and not session options).

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