[jira] [Assigned] (NUTCH-2776) Fetcher to temporarily deduplicate followed redirects

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[jira] [Assigned] (NUTCH-2776) Fetcher to temporarily deduplicate followed redirects

Chris Mattmann (Jira)

     [ https://issues.apache.org/jira/browse/NUTCH-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Nagel reassigned NUTCH-2776:
--------------------------------------

    Assignee: Sebastian Nagel

> Fetcher to temporarily deduplicate followed redirects
> -----------------------------------------------------
>
>                 Key: NUTCH-2776
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2776
>             Project: Nutch
>          Issue Type: Improvement
>          Components: fetcher
>    Affects Versions: 1.16
>            Reporter: Sebastian Nagel
>            Assignee: Sebastian Nagel
>            Priority: Major
>             Fix For: 1.17
>
>
> If fetcher follows redirect (http.redirect.max > 0), it may happen that many redirects of a site point to the same URL. In this situation, it might be good if fetcher could temporarily (for a configurable time period) deduplicate the redirect targets and skip all redirects except the first one. Typical examples of duplicated redirect targets are:
> - instead of responding with HTTP status 404:
> {noformat}
> /
> /resource-not-found
> /search/
> /404
> /error/not-found
> /err/notfound.html{noformat}
> - a page to accept/decline cookies
> {noformat}
> /cookie_usage.php
> {noformat}



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