[jira] Commented: (PIG-1501) need to investigate the impact of compression on pig performance

["Yan Zhou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12896620#action_12896620 ] 

Yan Zhou commented on PIG-1501:
-------------------------------

Unless there is any objection raised in the coming week, I'll go with LZO compression on TFile with the default option to disable compression that will be the old behavoir.

> 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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