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https://issues.apache.org/jira/browse/NUTCH-2148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lewis John McGibbney closed NUTCH-2148.
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> Review and update mapred --> mapreduce config params in crawl script
> --------------------------------------------------------------------
>
> Key: NUTCH-2148
> URL: https://issues.apache.org/jira/browse/NUTCH-2148
> Project: Nutch
> Issue Type: New Feature
> Components: bin
> Affects Versions: 1.10, 2.3.1
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Fix For: 1.11
>
> Attachments: NUTCH-2148.patch, NUTCH-2148v2.patch
>
>
> Configuration parameters inside of $NUTCH_HOME/src/bin/crawl currently include
> {code}
> commonOptions="-D mapred.reduce.tasks=$numTasks -D
> mapred.child.java.opts=-Xmx1000m -D
> mapred.reduce.tasks.speculative.execution=false -D
> mapred.map.tasks.speculative.execution=false -D
> mapred.compress.map.output=true"
> {code}
> as well as
> {code}
> skipRecordsOptions="-D mapred.skip.attempts.to.start.skipping=2 -D
> mapred.skip.map.max.skip.records=1"
> __bin_nutch parse $commonOptions $skipRecordsOptions
> "$CRAWL_PATH"/segments/$SEGMENT
> {code}
> In all honesty as part of the upgrade to Hadoop 2.4.0, this should have been
> addressed!!! woops.
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