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From Doğacan Güney (JIRA) <j...@apache.org>
Subject [jira] Closed: (NUTCH-683) NUTCH-676 broke CrawlDbMerger
Date Wed, 11 Feb 2009 09:14:59 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Doğacan Güney closed NUTCH-683.
-------------------------------

    Resolution: Fixed

Fixed in rev. 743277.

> NUTCH-676 broke CrawlDbMerger
> -----------------------------
>
>                 Key: NUTCH-683
>                 URL: https://issues.apache.org/jira/browse/NUTCH-683
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Doğacan Güney
>            Assignee: Doğacan Güney
>            Priority: Minor
>             Fix For: 1.0.0
>
>         Attachments: crawldbmerger_v2.patch
>
>
> Switch to hadoop's MapWritable broke CrawlDbMerger. Part of the reason is that we reuse
the same MapWritable instance during reduce
> which apparently is a big no-no for hadoop's MapWritable. Also, hadoop's MapWritable#putAll
doesn't work (I think.... see HADOOP-5142),
> so we should also work around that.

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