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https://issues.apache.org/jira/browse/NUTCH-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13872191#comment-13872191
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Alexander Uretsky commented on NUTCH-1674:
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[~alparslan.avci] - Hi! Thanks a lot for this patch, it looks very promising.
Can I apply it to nutch 2.2.1 (manually if needed) or do you specifically
require some code from 2.3 (i.e. some other patches on top of 2.2.1)? From what
I can see in the patch there seems to be no problem at all applying it to
2.2.1? but I'd like to hear it from you. Thanks!
> 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 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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