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https://issues.apache.org/jira/browse/PIG-185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy resolved PIG-185.
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Resolution: Invalid
Xu, cache doesn't work like ship().
You need to pass cache(<filename>#<linkname>) and then you can use ./linkname
in ur streaming command.
> Using cached data does not give me the expected result
> ------------------------------------------------------
>
> Key: PIG-185
> URL: https://issues.apache.org/jira/browse/PIG-185
> Project: Pig
> Issue Type: Bug
> Reporter: Xu Zhang
> Assignee: Arun C Murthy
>
> I was trying to run the following Pig script with the latest Pig stuff. Since
> essentially I was streaming 2 identical sets of data, I was expecting the
> final result which is the count of the name field to contain all even
> numbers. However, lots of odd number showed up in the actual result.
> {code}
> define X `perl -ne 'chomp $_; print "$_\n"' -
> ./user/pig/tests/data/singlefile/studenttab10k`
> cache('/user/pig/tests/data/singlefile/studenttab10k');
> A = load '/user/pig/tests/data/singlefile/studenttab10k';
> B = stream A through X as (name, age, gpa);
> C = group B by name;
> D = foreach C generate COUNT(B.$0);
> store D into 'results_22';
> {code}
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