Steve, Yes, this is a consequence of the project split. It's still possible to build Common, HDFS, MapReduce individually (from their respective distributions), but I agree it would be nice to be able to build from the combined distribution. When I create the next RC, I'll see if I can provide instructions on how to do this.
Felix, I don't think this is a bug since counters are not stable until the job is complete, so the values you see may be zero if you retrieve them asynchronously. Cheers, Tom PS. I'm travelling/on vacation for the next couple of weeks, so I won't be working on the next release candidate until August. If anyone wants to work on the (blocker) JIRAs I listed in my previous email in this thread then be my guest! On Tue, Jul 13, 2010 at 12:04 AM, Felix Halim <felix.ha...@gmail.com> wrote: > Hi Tom, > > Just want to let you know that back then when I tried to circumvent > this problem, I used job.submit() and retrieve the counter > asynchronously. I found out that the counter values always zero during > the execution (so the job is still running halfway). So, in this case, > the job is not retired yet, right? so, it might suggest another > problem? > > Felix Halim > > On Thu, Jul 8, 2010 at 8:13 PM, Tom White <t...@cloudera.com> wrote: >> A problem was found with Job.getCounters() returning null (see >> https://issues.apache.org/jira/browse/MAPREDUCE-1920). I plan to roll >> a new release candidate when this is fixed. >> >> Cheers, >> Tom >> >> On Fri, Jul 2, 2010 at 8:25 AM, Tom White <t...@cloudera.com> wrote: >>> I have created a candidate build for Hadoop 0.21.0. This fixes over >>> one thousand issues in Common, HDFS, and MapReduce since 0.20.2. >>> >>> This release is being classified as a minor release, which means that >>> it is API compatible with 0.20.2. >>> >>> *** This release candidate has not been tested extensively, so it >>> should not be considered stable. >>> *** Please download, test and vote before the vote closes on Thursday 8 >>> July. >>> >>> http://people.apache.org/~tomwhite/hadoop-0.21.0-candidate-0/ >>> >>> The hadoop-0.21.0.tar.gz file is an old-style combined release which >>> includes Common, HDFS, and MapReduce. >>> >>> Thanks, >>> Tom >>> >>> P.S. I have not yet pushed the JARs to Apache's Maven Staging >>> Repository (see HADOOP-6847), but this shouldn't prevent testing and >>> voting while it is sorted out. >>> >> >
