Hi! Is there a way of using the value read in the configure() in the Map or Reduce phase?
Erik On Thu, Oct 23, 2008 at 2:40 AM, Aaron Kimball <[EMAIL PROTECTED]> wrote: > See Configuration.setInt() in the API. (JobConf inherits from > Configuration). You can read it back in the configure() method of your > mappers/reducers > - Aaron > > On Wed, Oct 22, 2008 at 3:03 PM, Yih Sun Khoo <[EMAIL PROTECTED]> wrote: > > > Are you saying that I can pass, say, a single integer constant with > either > > of these three: JobConf? A HDFS file? DistributedCache? > > Or are you asking if I can pass given the context of: JobConf? A HDFS > file? > > DistributedCache? > > I'm thinking of how to pass a single int so from one Jobconf to the next > > > > On Wed, Oct 22, 2008 at 2:57 PM, Arun C Murthy <[EMAIL PROTECTED]> > wrote: > > > > > > > > On Oct 22, 2008, at 2:52 PM, Yih Sun Khoo wrote: > > > > > > I like to hear some good ways of passing constants from one job to the > > >> next. > > >> > > > > > > Unless I'm missing something: JobConf? A HDFS file? DistributedCache? > > > > > > Arun > > > > > > > > > > > >> These are some ways that I can think of: > > >> 1) The obvious solution is to carry the constant as part of your > value > > >> from > > >> one job to the next, but that would mean every value would hold that > > >> constant > > >> 2) Use the reporter as a hack so that you can set the status message > > and > > >> then get the status message back when u need the constant > > >> > > >> Any other ideas? (Also please do not include code) > > >> > > > > > > > > >
