Hi Harsh, I got it. Thank you very much !
Satoshi On Fri, Apr 27, 2012 at 8:00 PM, Harsh J <ha...@cloudera.com> wrote: > This property is no longer used. You probably need either > hadoop.tmp.dir or mapred.local.dir. The latter controls where map > intermediates and partitioned reducer inputs go to, in MR. > > From within an Mapper or Reducer, if you want to use temporary files, > you can use the regular Java API's File.createTempFile/etc., or refer > to the mapred.child.tmp property from within the Mapper/Reducer, which > refers to ./tmp (within the task's local working directory, a path > derived out of mapred.local.dir by the framework). > > On Fri, Apr 27, 2012 at 11:38 AM, Satoshi Noto <nt3...@gmail.com> wrote: >> Hi all, >> >> The default config mapred-default.xml has a property "mapred.temp.dir". >> How to use "mapred.temp.dir" ? >> >> I did grep "mapred.temp.dir" to hadoop-0.20.2 sources, >> but I could not get line from mapred sources. >> >> Is this property not used by mapreduce framework ? >> And if we want to use temporary directory in mapreduce job, >> we should use this property in own code ? >> >> >> Regards, >> Satoshi > > > > -- > Harsh J
