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https://issues.apache.org/jira/browse/NUTCH-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Julien Nioche reopened NUTCH-1067:
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At revision 1170548.
ant clean then ant =>
compile-core:
[javac] /data/nutch-1.4/build.xml:96: warning: 'includeantruntime' was not
set, defaulting to build.sysclasspath=last; set to false for repeatable builds
[javac] Compiling 172 source files to /data/nutch-1.4/build/classes
[javac] /data/nutch-1.4/src/java/org/apache/nutch/crawl/Crawl.java:136:
fetch(org.apache.hadoop.fs.Path,int) in org.apache.nutch.fetcher.Fetcher cannot
be applied to (org.apache.hadoop.fs.Path,int,boolean)
[javac] fetcher.fetch(segs[0], threads,
org.apache.nutch.fetcher.Fetcher.isParsing(getConf())); // fetch it
[javac] ^
[javac] /data/nutch-1.4/src/java/org/apache/nutch/tools/Benchmark.java:234:
fetch(org.apache.hadoop.fs.Path,int) in org.apache.nutch.fetcher.Fetcher cannot
be applied to (org.apache.hadoop.fs.Path,int,boolean)
[javac] fetcher.fetch(segs[0], threads,
org.apache.nutch.fetcher.Fetcher.isParsing(getConf())); // fetch it
[javac] ^
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] 2 errors
BUILD FAILED
> Configure minimum throughput for fetcher
> ----------------------------------------
>
> Key: NUTCH-1067
> URL: https://issues.apache.org/jira/browse/NUTCH-1067
> Project: Nutch
> Issue Type: New Feature
> Components: fetcher
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Priority: Minor
> Fix For: 1.4
>
> Attachments: NUTCH-1067-1.4-1.patch, NUTCH-1067-1.4-2.patch,
> NUTCH-1067-1.4-3.patch, NUTCH-1067-1.4-4.patch
>
>
> Large fetches can contain a lot of url's for the same domain. These can be
> very slow to crawl due to politeness from robots.txt, e.g. 10s per url. If
> all other url's have been fetched, these queue's can stall the entire
> fetcher, 60 url's can then take 10 minutes or even more. This can usually be
> dealt with using the time bomb but the time bomb value is hard to determine.
> This patch adds a fetcher.throughput.threshold setting meaning the minimum
> number of pages per second before the fetcher gives up. It doesn't use the
> global number of pages / running time but records the actual pages processed
> in the previous second. This value is compared with the configured threshold.
> Besides the check the fetcher's status is also updated with the actual number
> of pages per second and bytes per second.
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