Thanks raghav! For the 3rd question We want a look at the code first.. On Fri, Apr 9, 2010 at 10:28 PM, Raghava Mutharaju < [email protected]> wrote:
> Hi, > > I can answer the 2nd question. > > >>> 2)I also want to view the output files(logs). > Check the following link. It contains URLs to view the logs on the Web > UI. > > > http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Single-Node_Cluster%29#Hadoop_Web_Interfaces > . > > If that is not possible (Web UI is the preferred way, atleast for me), then > the logs would be in ${HADOOP_LOG_DIR}. The default location is > ${HADOOP_HOME}/logs. The relevant logs would be in "userlogs" folder. These > 2 environment variables are generally set in the file hadoop-env.sh, so, > you > can check out the values there. > > For the 3rd question, are you planning to change the code related to > speculative execution or do you just want to have a look at it? > > > Regards, > Raghava. > > On Fri, Apr 9, 2010 at 6:18 AM, janani venkat <[email protected]> wrote: > > > Hi, > > Am quite new to using this hadoop. I set the single node and tried > running > > the sample map-reduce programs in that. They worked fine. > > 1)I want to run the distributed cache code(single node or 2-node cluster) > > and view the output. But i dont understand how to specify the input > files, > > setting up the path in JobConf.java and where to add the functions > > specified in the instruction. > > 2)I also want to view the output files(logs). > > 3)They are talking about speculative execution and it is set to true by > > default in JobConf. But where exactly the actual logic of speculative > > execution could be found in the hadoop installation? I mean the specific > > code which gets executed when it is called. > > > > > > Waiting for guidance.. > > > > regards > > KulliKarot > > >
