See: 
http://nutch.apache.org/apidocs-2.1/org/apache/nutch/crawl/AdaptiveFetchSchedule.html

 
 
-----Original message-----
> From:Eyeris Rodriguez Rueda <eru...@uci.cu>
> Sent: Fri 23-Nov-2012 03:29
> To: user@nutch.apache.org
> Subject: doubts about some propierties on nutch-site.xml file
> 
> Hi all.
> 
> I have some doubts about some properties on nutch-site.xml file, i will 
> appreciated if anybody can explain me about it function in detail.
> 
> Im using nutch 1.5.1 and solr 3.6.
> 
> First
> <property>
>   <name>db.fetch.schedule.adaptive.inc_rate</name>
>   <value>0.4</value>
>   <description>If a page is unmodified, its fetchInterval will be
>   increased by this rate. This value should not
>   exceed 0.5, otherwise the algorithm becomes unstable.</description>
> </property>
> 
> In this case how the fetchInterval is modified by this value what means that 
> ??
> *********************************************************************************
> Second
> <property>
>   <name>db.fetch.schedule.adaptive.sync_delta</name>
>   <value>true</value>
>   <description>If true, try to synchronize with the time of page change.
>   by shifting the next fetchTime by a fraction (sync_rate) of the difference
>   between the last modification time, and the last fetch time.</description>
> </property>
> I canĀ“t understand this propierty.
> ******************************************
> regards.
> 
> 10mo. ANIVERSARIO DE LA CREACION DE LA UNIVERSIDAD DE LAS CIENCIAS 
> INFORMATICAS...
> CONECTADOS AL FUTURO, CONECTADOS A LA REVOLUCION
> 
> http://www.uci.cu
> http://www.facebook.com/universidad.uci
> http://www.flickr.com/photos/universidad_uci
> 

Reply via email to