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https://issues.apache.org/jira/browse/NUTCH-1037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Markus Jelsma updated NUTCH-1037:
---------------------------------

    Description: 
Anchors are not deduplicated before indexing. This can result in a very high 
number of similar and identical anchors being indexed. Before indexing, anchors 
must be deduplicated at least on case.

Use anchorIndexingFilter.deduplicate=true to deduplicate anchors 
case-insensitive.

  was:
Anchors are not deduplicated before indexing. This can result in a very high 
number of similar and identical anchors being indexed. Before indexing, anchors 
must be deduplicated at least on case.

Should this be implemented as a fix or as a new feature that needs to be 
configured?


> Deduplicate anchors before indexing
> -----------------------------------
>
>                 Key: NUTCH-1037
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1037
>             Project: Nutch
>          Issue Type: Improvement
>            Reporter: Markus Jelsma
>            Assignee: Markus Jelsma
>             Fix For: 1.4, 2.0
>
>         Attachments: NUTCH-1037-1.4-1.patch, NUTCH-1037-1.4-2.patch, 
> NUTCH-1037-1.4-3.patch, NUTCH-1037-2.0-1.patch, NUTCH-1037-2.0-2.patch
>
>
> Anchors are not deduplicated before indexing. This can result in a very high 
> number of similar and identical anchors being indexed. Before indexing, 
> anchors must be deduplicated at least on case.
> Use anchorIndexingFilter.deduplicate=true to deduplicate anchors 
> case-insensitive.

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