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https://issues.apache.org/jira/browse/NUTCH-2414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16143737#comment-16143737
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ASF GitHub Bot commented on NUTCH-2414:
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pipldev opened a new pull request #217: NUTCH-2414 - Allow 
LanguageIndexingFilter to actually filter documents by language
URL: https://github.com/apache/nutch/pull/217
 
 
   Added property lang.index.languages. If exists and is not empty, it is 
treated as a comma-separated list of languages to index. A document in another 
language will not be indexed.
   "unknown" is a valid language code.
 
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> Allow LanguageIndexingFilter to actually filter documents by language.
> ----------------------------------------------------------------------
>
>                 Key: NUTCH-2414
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2414
>             Project: Nutch
>          Issue Type: Improvement
>          Components: plugin
>    Affects Versions: 1.13
>            Reporter: Yossi Tamari
>            Priority: Minor
>
> It is often useful to only index pages in select languages (e.g. only those 
> languages that we intend to search in). At first glance it seems that this is 
> done by LanguageIndexingFilter, but currently all the filter does is add the 
> language as a field to the index.
> We can add a configuration property to LanguageIndexingFilter that will allow 
> it to only index languages specified in this property.



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