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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (NUTCH-1842) crawl.gen.delay has a wrong default value in nutch-default.xml or is being parsed incorrectly
Date Thu, 15 Nov 2018 10:35:01 GMT


ASF GitHub Bot commented on NUTCH-1842:

sebastian-nagel closed pull request #393: NUTCH-1842: crawl.gen.delay value is read incorrectly
from config

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diff --git a/src/java/org/apache/nutch/crawl/ b/src/java/org/apache/nutch/crawl/
index da7e38ad8..1a3c5fd1f 100644
--- a/src/java/org/apache/nutch/crawl/
+++ b/src/java/org/apache/nutch/crawl/
@@ -188,7 +188,7 @@ public void setup(Mapper<Text, CrawlDatum, FloatWritable, SelectorEntry>.Context
         filters = new URLFilters(conf);
         scfilters = new ScoringFilters(conf);
         filter = conf.getBoolean(GENERATOR_FILTER, true);
-        genDelay = conf.getLong(GENERATOR_DELAY, 7L) * 3600L * 24L * 1000L;
+        genDelay = conf.getLong(GENERATOR_DELAY, 604800000L); // 7 days as default.
         long time = conf.getLong(Nutch.GENERATE_TIME_KEY, 0L);
         if (time > 0)


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> crawl.gen.delay has a wrong default value in nutch-default.xml or is being parsed incorrectly

> ----------------------------------------------------------------------------------------------
>                 Key: NUTCH-1842
>                 URL:
>             Project: Nutch
>          Issue Type: Bug
>          Components: generator
>    Affects Versions: 1.9
>            Reporter: kaveh minooie
>            Assignee: Sebastian Nagel
>            Priority: Minor
>             Fix For: 1.16
> this is from nutch-default.xml:
> <property>
>   <name>crawl.gen.delay</name>
>   <value>604800000</value>
>   <description>
>    This value, expressed in milliseconds, defines how long we should keep the lock on
>    in CrawlDb that were just selected for fetching. If these records are not updated

>    in the meantime, the lock is canceled, i.e. they become eligible for selecting. 
>    Default value of this is 7 days (604800000 ms).
>   </description>
> </property>
> this is the from o.a.n.crawl.Generator.configure(JobConf job)
> genDelay = job.getLong(GENERATOR_DELAY, 7L) * 3600L * 24L * 1000L;
> the value in config file is in milliseconds but the code expect it to be in days. I reported
this couple of years ago on the mailing list as well. I didn't post a patch becaue I am not
sure which one needs to be fixed. considering all the other values in config file are in milliseconds
it can be argued to that consistency matters, but 'day' is a much more reasonable unit for
this property.
> Also this value is not being used in 2.x ?

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