See http://wiki.apache.org/nutch/NutchTutorial#A3.3._Using_the_crawl_script
just go to runtime/deploy/bin and run the script from there. Julien On 29 August 2014 13:38, Meraj A. Khan <[email protected]> wrote: > Hi Julien, > > I have 15 domains and they are all being fetched in a single map task which > does not fetch all the urls no matter what depth or topN i give. > > I am submitting the Nutch job jar which seems to be using the Crawl.java > class, how do I use the Crawl script on a Hadoop cluster, are there any > pointers you can share? > > Thanks. > On Aug 29, 2014 4:40 AM, "Julien Nioche" <[email protected]> > wrote: > > > Hi Meraj, > > > > The generator will place all the URLs in a single segment if all they > > belong to the same host for politeness reason. Otherwise it will use > > whichever value is passed with the -numFetchers parameter in the > generation > > step. > > > > Why don't you use the crawl script in /bin instead of tinkering with the > > (now deprecated) Crawl class? It comes with a good default configuration > > and should make your life easier. > > > > Julien > > > > > > On 28 August 2014 06:47, Meraj A. Khan <[email protected]> wrote: > > > > > Hi All, > > > > > > I am running Nutch 1.7 on Hadoop 2.3.0 cluster and and I noticed that > > there > > > is only a single reducer in the generate partition job. I am running > in > > a > > > situation where the subsequent fetch is only running in a single map > task > > > (I believe as a consequence of a single reducer in the earlier phase). > > How > > > can I force Nutch to do fetch in multiple map tasks , is there a > setting > > to > > > force more than one reducers in the generate-partition job to have more > > map > > > tasks ?. > > > > > > Please also note that I have commented out the code in Crawl.java to > not > > do > > > the LInkInversion phase as , I dont need the scoring of the URLS that > > Nutch > > > crawls, every URL is equally important to me. > > > > > > Thanks. > > > > > > > > > > > -- > > > > Open Source Solutions for Text Engineering > > > > http://digitalpebble.blogspot.com/ > > http://www.digitalpebble.com > > http://twitter.com/digitalpebble > > > -- Open Source Solutions for Text Engineering http://digitalpebble.blogspot.com/ http://www.digitalpebble.com http://twitter.com/digitalpebble
