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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1501) need to investigate the impact of compression on pig performance
Date Tue, 10 Aug 2010 21:25:16 GMT

    [ https://issues.apache.org/jira/browse/PIG-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897046#action_12897046
] 

Alan Gates commented on PIG-1501:
---------------------------------

You can install lzo with Hadoop (as Yahoo does on its grids) but you cannot ship lzo with
Hadoop or Pig.

> need to investigate the impact of compression on pig performance
> ----------------------------------------------------------------
>
>                 Key: PIG-1501
>                 URL: https://issues.apache.org/jira/browse/PIG-1501
>             Project: Pig
>          Issue Type: Test
>            Reporter: Olga Natkovich
>            Assignee: Yan Zhou
>             Fix For: 0.8.0
>
>         Attachments: compress_perf_data.txt, compress_perf_data_2.txt
>
>
> We would like to understand how compressing map results as well as well as reducer output
in a chain of MR jobs impacts performance. We can use PigMix queries for this investigation.

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