Is this what you are looking for? http://hadoop.apache.org/common/docs/current/mapred_tutorial.html
search for jobConf On Fri, Jul 29, 2011 at 1:51 PM, Roger Chen <rogc...@ucdavis.edu> wrote: > Thanks for the response! However, I'm having an issue with this line > > Path[] cacheFiles = DistributedCache.getLocalCacheFiles(conf); > > because conf has private access in org.apache.hadoop.configured > > On Fri, Jul 29, 2011 at 11:18 AM, Mapred Learn <mapred.le...@gmail.com>wrote: > >> I hope my previous reply helps... >> >> On Fri, Jul 29, 2011 at 11:11 AM, Roger Chen <rogc...@ucdavis.edu> wrote: >> >> > After moving it to the distributed cache, how would I call it within my >> > MapReduce program? >> > >> > On Fri, Jul 29, 2011 at 11:09 AM, Mapred Learn <mapred.le...@gmail.com >> > >wrote: >> > >> > > Did you try using -files option in your hadoop jar command as: >> > > >> > > /usr/bin/hadoop jar <jar name> <main class name> -files <absolute path >> > of >> > > file to be added to distributed cache> <input dir> <output dir> >> > > >> > > >> > > On Fri, Jul 29, 2011 at 11:05 AM, Roger Chen <rogc...@ucdavis.edu> >> > wrote: >> > > >> > > > Slight modification: I now know how to add files to the distributed >> > file >> > > > cache, which can be done via this command placed in the main or run >> > > class: >> > > > >> > > > DistributedCache.addCacheFile(new >> > URI("/user/hadoop/thefile.dat"), >> > > > conf); >> > > > >> > > > However I am still having trouble locating the file in the >> distributed >> > > > cache. *How do I call the file path of thefile.dat in the distributed >> > > cache >> > > > as a string?* I am using Hadoop 0.20.2 >> > > > >> > > > >> > > > On Fri, Jul 29, 2011 at 10:26 AM, Roger Chen <rogc...@ucdavis.edu> >> > > wrote: >> > > > >> > > > > Hi all, >> > > > > >> > > > > Does anybody have examples of how one moves files from the local >> > > > > filestructure/HDFS to the distributed cache in MapReduce? A Google >> > > search >> > > > > turned up examples in Pig but not MR. >> > > > > >> > > > > -- >> > > > > Roger Chen >> > > > > UC Davis Genome Center >> > > > > >> > > > >> > > > >> > > > >> > > > -- >> > > > Roger Chen >> > > > UC Davis Genome Center >> > > > >> > > >> > >> > >> > >> > -- >> > Roger Chen >> > UC Davis Genome Center >> > >> > > > > -- > Roger Chen > UC Davis Genome Center >