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https://issues.apache.org/jira/browse/RYA-132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Chilton reassigned RYA-132:
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Assignee: (was: Kevin Chilton)
> Fluo PCJ Updater - The app doesn't export correctly.
> ----------------------------------------------------
>
> Key: RYA-132
> URL: https://issues.apache.org/jira/browse/RYA-132
> Project: Rya
> Issue Type: Bug
> Affects Versions: 3.2.10
> Reporter: Kevin Chilton
> Priority: Minor
>
> The RyaResultsExporter is not written correctly. It assumes a single thread
> will perform the export, which is not the case. This results in cardinality
> values that are higher than they should be.
> The following Fluo recipe explains how to safely export from Fluo:
> https://github.com/apache/incubator-fluo-recipes/blob/master/docs/export-queue.md
> That recipe will only guarantee that a single transaction will be used to
> write the results to to the Export Queue. However, the Exporter you write may
> be executed on many machine concurrently, so you still may get many out of
> order and duplicated exports. The PrecomputedJoinStorage.addResults(...)
> method needs to be updated to handle that.
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