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https://issues.apache.org/jira/browse/NUTCH-2536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Vachon updated NUTCH-2536:
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Comment: was deleted
(was: pull request: https://github.com/apache/nutch/pull/298)
> GeneratorReducer.count is a static variable
> -------------------------------------------
>
> Key: NUTCH-2536
> URL: https://issues.apache.org/jira/browse/NUTCH-2536
> Project: Nutch
> Issue Type: Bug
> Components: generator
> Affects Versions: 2.3.1
> Reporter: Ben Vachon
> Priority: Minor
> Labels: Generate
> Fix For: 2.4
>
> Original Estimate: 2.4h
> Remaining Estimate: 2.4h
>
> The count field of the GeneratorReducer class is a static field. This means
> that if the GeneratorJob is run multiple times within the same JVM, it will
> count all the webpages generated across all batches.
> The count field is checked against the GeneratorJob's topN configuration
> variable, which is described as:
> "top threshold for maximum number of URLs permitted in a batch"
> I understand this to mean that EACH batch should be capped at the topN value,
> not ALL batches.
> This isn't a problem with the way that Nutch is typically used because the
> script starts a new JVM each time. I'm not using the script, I'm calling the
> java classes directly (using the ToolRunner) within an existing JVM, so I'm
> categorizing this as an SDK issue.
> Changing the field to be non-static will not affect the behavior of the class
> as its run by the script.
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