James’ quick and dirty, get your job running guideline: -libjars <-- for jars you want accessible by the mappers and reducers classpath or bundled in the main jar <-- for jars you want accessible to the runner
Cheers James. On 2011-04-04, at 12:31 PM, Shuja Rehman wrote: > well...i think to put in distributed cache is good idea. do u have any > working example how to put extra jars in distributed cache and how to make > available these jars for job? > Thanks > > On Mon, Apr 4, 2011 at 10:20 PM, Mark Kerzner <[email protected]> wrote: > >> I think you can put them either in your jar or in distributed cache. >> >> As Allen pointed out, my idea of putting them into hadoop lib jar was >> wrong. >> >> Mark >> >> On Mon, Apr 4, 2011 at 12:16 PM, Marco Didonna <[email protected] >>> wrote: >> >>> On 04/04/2011 07:06 PM, Allen Wittenauer wrote: >>> >>>> >>>> On Apr 4, 2011, at 8:06 AM, Shuja Rehman wrote: >>>> >>>> Hi All >>>>> >>>>> I have created a map reduce job and to run on it on the cluster, i have >>>>> bundled all jars(hadoop, hbase etc) into single jar which increases the >>>>> size >>>>> of overall file. During the development process, i need to copy again >> and >>>>> again this complete file which is very time consuming so is there any >> way >>>>> that i just copy the program jar only and do not need to copy the lib >>>>> files >>>>> again and again. i am using net beans to develop the program. >>>>> >>>>> kindly let me know how to solve this issue? >>>>> >>>> >>>> This was in the FAQ, but in a non-obvious place. I've updated it >>>> to be more visible (hopefully): >>>> >>>> >>>> >> http://wiki.apache.org/hadoop/FAQ#How_do_I_submit_extra_content_.28jars.2C_static_files.2C_etc.29_for_my_job_to_use_during_runtime.3F >>>> >>> >>> Does the same apply to jar containing libraries? Let's suppose I need >>> lucene-core.jar to run my project. Can I put my this jar into my job jar >> and >>> have hadoop "see" lucene's classes? Or should I use distributed cache?? >>> >>> MD >>> >>> >> > > > > -- > Regards > Shuja-ur-Rehman Baig > <http://pk.linkedin.com/in/shujamughal>
