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https://issues.apache.org/jira/browse/NUTCH-2510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16364079#comment-16364079
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Semyon Semyonov edited comment on NUTCH-2510 at 2/14/18 2:50 PM:
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I have provided the pull request.
 There are two indicator flags for the script:
 1) To update hostdb(but not use it in generate) put --hostdbupdate
 2) To update hostdb and use it in generate use both ---hostdbgenerate-  
--hostdbupdate


was (Author: semyon.semyo...@mail.com):
I have provided the pull request.
There are two indicator flags for the script:
1) To update hostdb(but not use it in generate) put --hostdbupdate
2) To update hostdb and use it in generate use both --hostdbgenerate 
--hostdbupdate

> Crawl script modification. HostDb : generate, optional usage and descirption
> ----------------------------------------------------------------------------
>
>                 Key: NUTCH-2510
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2510
>             Project: Nutch
>          Issue Type: Improvement
>          Components: bin
>    Affects Versions: 1.15
>            Reporter: Semyon Semyonov
>            Priority: Minor
>             Fix For: 1.14
>
>
> Script crawl now includes hostdb update as a part of crawling cycle, but :
> 1) There is no hostdb parameter for generate
> 2) Generation of hostdb is not optional, therefore hostdb is generated each 
> step without asking of user. It should be an optional parameter.
> 3) Description of 1 and 2.



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