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https://issues.apache.org/jira/browse/NUTCH-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15144518#comment-15144518
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Markus Jelsma commented on NUTCH-2216:
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An option is to change the default for db.ignore.internal.links to false. Then,
create a new option for linkdb.ignore.internal.links, defaulting it to true.
This would separate the linkdb from crawldb-like parameters. This would then
allow to safely implement it in FetcherThread. Upon release, users must be
informed about a change in default behaviour, and encourage them to use the new
nutch-default.xml file.
Is this something we could do? Introduce a change in default? Please comment.
> ignore.internal.links to optionally follow internal redirects
> -------------------------------------------------------------
>
> Key: NUTCH-2216
> URL: https://issues.apache.org/jira/browse/NUTCH-2216
> Project: Nutch
> Issue Type: Improvement
> Components: fetcher
> Affects Versions: 1.11
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Priority: Minor
> Fix For: 1.12
>
>
> db.ignore.internal.links doesn't follow any internal hyperlinks or redirects.
> Together with db.ignore.external.links it helps to restrict the crawl to a
> predefined set of URL's, for example provided by a customer.
> In many cases, a few of those URL's are redirects, which are not followed.
> This issue adds an option to optionally allow internal redirects despite
> db.ignore.internal.links being enabled.
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