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Posted to dev@pig.apache.org by "Vivek Padmanabhan (JIRA)" <ji...@apache.org> on 2011/02/10 10:01:57 UTC
[jira] Commented: (PIG-1848) Confusing statement for Merge Join ->
Both Conditions in Pig reference manual1
[ https://issues.apache.org/jira/browse/PIG-1848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12992943#comment-12992943 ]
Vivek Padmanabhan commented on PIG-1848:
----------------------------------------
Please consider to refine the "Both Conditions" section.
> Confusing statement for Merge Join -> Both Conditions in Pig reference manual1
> ------------------------------------------------------------------------------
>
> Key: PIG-1848
> URL: https://issues.apache.org/jira/browse/PIG-1848
> Project: Pig
> Issue Type: Improvement
> Components: documentation
> Reporter: Vivek Padmanabhan
>
> In Pig reference manual , http://pig.apache.org/docs/r0.8.0/piglatin_ref1.html#Merge+Joins,
> for merge join under Both Conditions , the example statement is confusing.
> {quote}
> Both Conditions
> For optimal performance, each part file of the left (sorted) input of the join should have a size of at least 1 hdfs block size (for example if the hdfs block size is 128 MB, each part file should be less than 128 MB).
> {quote}
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