Re: Map Task Capacity Not Changing

(moving to mapreduce-user@, bcc'ing common-user@) Hi Joey - You'll want to change the value on all of your servers running tasktrackers and then restart each tasktracker to reread the configuration. cheers, -James On Thu, Dec 15, 2011 at 3:30 PM, Joey Krabacher wrote: > I have looked up how to

Re: Stupid questions about combiners in ...hadoop.mapreduce

For questions 1 and 2 - you certainly can implement either of those ideas. "What happens" when you output more than one value... well, you output more than one value! The correctness of your code depends on the logic in the reducer stage. However, keep in mind that there are no guarantees on if

Re: Moving files in hdfs using API

Adding hdfs-user@, bcc'ing mapreduce-user@ Try http://hadoop.apache.org/hdfs/docs/current/api/org/apache/hadoop/hdfs/DistributedFileSystem.html#rename(org.apache.hadoop.fs.Path, org.apache.hadoop.fs.Path)