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https://issues.apache.org/jira/browse/PIG-165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595374#action_12595374
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Alan Gates commented on PIG-165:
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The way types are being handled is currently being totally rewritten. By
default, all data will be treated as byte arrays. Only if a user explicitly
declares a field to be a string will we be doing string conversions. I think
this will address the same issue as this patch. Is that correct?
> caching the byte array in DataAtom can improve performance
> ----------------------------------------------------------
>
> Key: PIG-165
> URL: https://issues.apache.org/jira/browse/PIG-165
> Project: Pig
> Issue Type: Improvement
> Reporter: Stefan Groschupf
> Assignee: Stefan Groschupf
> Priority: Critical
> Attachments: PIG-165_r639015_v1.patch
>
>
> Many fields are passed through a processing step without changing there
> values. So pig basically just read and write them.
> So read write performance is critical.
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