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https://issues.apache.org/jira/browse/HADOOP-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joydeep Sen Sarma updated HADOOP-4169:
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Attachment: 4169-1.txt
> 'compressed' keyword in DDL syntax misleading and does not compress
> -------------------------------------------------------------------
>
> Key: HADOOP-4169
> URL: https://issues.apache.org/jira/browse/HADOOP-4169
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hive
> Reporter: Joydeep Sen Sarma
> Assignee: Joydeep Sen Sarma
> Attachments: 4169-1.txt
>
>
> Hive produces two types of data files - flat files and sequencefiles. Syntax
> should reflect this. Currently the 'compressed' keyword is used to choose
> sequencefile format - but does not actually compress the files. this is
> misleading. In addition - flat files can also be compressed.
> Proposal is to replace 'compressed' with 'sequencefile'. And compression
> options should be applied from standard hadoop way of specifying whether
> output should be compressed (''mapred.output.compress') - ie. session
> options. (session options will also define codec etc.). default file format
> and compression options can be specified in conf file.
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