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https://issues.apache.org/jira/browse/PIG-4004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14168073#comment-14168073
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Daniel Dai commented on PIG-4004:
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bq.As a result, some queries were expressed with three concatenated MR jobs
instead of one
Can you explain why old API has this issue and how new API solves it?
> Upgrade the Pigmix queries from the (old) mapred API to mapreduce
> -----------------------------------------------------------------
>
> Key: PIG-4004
> URL: https://issues.apache.org/jira/browse/PIG-4004
> Project: Pig
> Issue Type: Bug
> Components: tools
> Affects Versions: 0.12.1
> Reporter: Keren Ouaknine
> Fix For: 0.15.0
>
> Attachments: PIG-4004.patch
>
>
> Until now, the Pigmix queries were written using the old mapred API.
> As a result, some queries were expressed with three concatenated MR jobs
> instead of one. I rewrote all the queries to match the newer mapreduce API
> and optimized them on the fly.
> This is a continuity work to PIG-3915.
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