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https://issues.apache.org/jira/browse/NUTCH-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13987782#comment-13987782
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Julien Nioche commented on NUTCH-1674:
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OK, so it *does* filter based on the Mark, which is what I was talking about in
:
[https://issues.apache.org/jira/browse/NUTCH-1714?focusedCommentId=13985436&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13985436]
or at least it does when a batch id is set.
Great!
> Use batchId filter to enable scan (GORA-119) for Fetch,Parse,Update,Index
> -------------------------------------------------------------------------
>
> Key: NUTCH-1674
> URL: https://issues.apache.org/jira/browse/NUTCH-1674
> Project: Nutch
> Issue Type: Improvement
> Affects Versions: 2.3
> Reporter: Tien Nguyen Manh
> Fix For: 2.3
>
> Attachments: NUTCH-1674.patch, NUTCH-1674_2.patch,
> NUTCH-1674_3.patch, NUTCH-1674_final.patch
>
>
> Nutch always scan the whole crawldb in each phrase (generate, fetch, parse,
> update, index). When crawldb is big, the time to scan is bigger than the
> actual processing time.
> We really need to skip records while scanning using GORA-119 for example we
> can only get records belong to a specified batchId.
> In my crawl the filter reduce the time to scan from 90 min to 30 min.
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