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https://issues.apache.org/jira/browse/NUTCH-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Talat UYARER updated NUTCH-1618:
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Attachment: NUTCH-1618.patch
> Fetches some websites multiple times for long lasting queues
> ------------------------------------------------------------
>
> Key: NUTCH-1618
> URL: https://issues.apache.org/jira/browse/NUTCH-1618
> Project: Nutch
> Issue Type: Bug
> Components: fetcher
> Affects Versions: 2.1, 2.2, 2.3, 2.4
> Reporter: Talat UYARER
> Priority: Minor
> Fix For: 2.1
>
> Attachments: NUTCH-1618.patch
>
>
> We are using nutch for high volume crawls. We noticed that FetcherJob
> ReduceTask fetches some websites multiple times for long lasting queues. I
> have discovered the reason of this is
> mapred.reduce.tasks.speculative.execution settings in hadoop. 1.x has
> speculative execution turned off. I create a patch for 2.x
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