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https://issues.apache.org/jira/browse/PIG-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates updated PIG-2328:
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Attachment: PIG-bloom-2.patch
A new version of the patch that fixes the single bloom filter per query issue
and makes it so the user can specify desired false positive rate and estimate
number of elements instead of number of bits and hash functions.
> Add builtin UDFs for building and using bloom filters
> -----------------------------------------------------
>
> Key: PIG-2328
> URL: https://issues.apache.org/jira/browse/PIG-2328
> Project: Pig
> Issue Type: New Feature
> Components: internal-udfs
> Reporter: Alan Gates
> Assignee: Alan Gates
> Fix For: 0.10
>
> Attachments: PIG-bloom-2.patch, PIG-bloom.patch
>
>
> Bloom filters are a common way to do select a limited set of records before
> moving data for a join or other heavy weight operation. Pig should add UDFs
> to support building and using bloom filters.
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