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 can´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 >
