[
https://issues.apache.org/jira/browse/PIG-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897455#action_12897455
]
Thejas M Nair commented on PIG-1501:
------------------------------------
Why was TFile chosen over SequenceFile ? I am wondering if the additional
unused features of TFile (index, metadata) result in any overhead compared to
SequenceFile.
> 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,
> PIG-1501.patch
>
>
> 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.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
