Cloudera's Distribution for Hadoop is based on Hadoop 0.18.3 but includes a backport of HADOOP-2536. You could switch to this distribution instead. Otherwise, download the 18-branch patch from issue HADOOP-2536 ( http://issues.apache.org/jira/browse/hadoop-2536) and apply it to your local copy and recompile.
System.out.println() (and System.err) are writen to separate files for each map and reduce task on each machine; there is not a common console. - Aaron On Mon, Apr 27, 2009 at 9:13 PM, rajeev gupta <[email protected]> wrote: > > I need to write output of reduce in database. There is support for this in > 0.19 but I am using 0.18.3. Any suggestion? > > I tried to process output myself in the reduce() function by writing some > System.out.println; but it is writing output in userlogs corresponding to > the map function (intermediate output). > > -rajeev > > > > >
