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https://issues.apache.org/jira/browse/PIG-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy updated PIG-4958:
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Attachment: PIG-4958-1.patch
> Tez autoparallelism estimation for order by is higher than mapreduce
> --------------------------------------------------------------------
>
> Key: PIG-4958
> URL: https://issues.apache.org/jira/browse/PIG-4958
> Project: Pig
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.17.0
>
> Attachments: PIG-4958-1.patch, PIG-4958-withoutsecurity.patch
>
>
> The input size is calculated from the size of the samples in memory. Size
> in memory is usually 4x or more than the serialized size. Mapreduce estimates
> the number of reducers based on serialized size.
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