Hi Shahab, Thanks for the detailed response.
So the new property will have the default value as true in the package? Thanks, Viswa.J On Sep 24, 2013 8:33 AM, "Shahab Yunus" <shahab.yu...@gmail.com> wrote: > *mapred.jobtracker.restart.recover *is the old API, while the other one is > for new. It is used to specify whether the job should try to resume at > recovering time and when restarting. If you don't want to use it then the > default value of false is used (specified in the already packaged/bundled > config file in the distribution jars.) > > > https://www.inkling.com/read/hadoop-definitive-guide-tom-white-3rd/chapter-5/running-on-a-cluster > > Regards, > Shahab > > > On Mon, Sep 23, 2013 at 10:31 PM, Viswanathan J < > jayamviswanat...@gmail.com> wrote: > >> Hi, >> >> I'm using the version Hadoop 1.2.1 in production hdfs, i can see the the >> following properties with the value in jobtracker job.xml, >> >> *mapreduce.job.restart.recover - true* >> *mapred.jobtracker.restart.recover - false** >> * >> >> What is the difference and which property will taken by the jobtracker? >> Do we need really need these properties? >> >> Also I didn't set the value to those properties in any of the >> configurations(eg., mapred-site.xml). >> >> Please help on this. >> >> -- >> Regards, >> Viswa.J >> > >
