On Sun, Dec 16, 2012 at 1:16 AM, Robert Dyer <psyb...@gmail.com> wrote:
> I recently enabled reverse DNS on my test cluster. Now when I run a MR > job, the HBase input split locations are all adding a period to the end. > For example: > > /default-rack/foo-1. > /default-rack/foo-2. > > Yet the machine locations are still correct: > > /default-rack/foo-1 > /default-rack/foo-2 > > Since those strings don't match, it isn't assigning the tasks locally. It > actually thinks 100% of the map tasks are rack-local and 0% data-local > (although in reality, some still wind up being data-local due to sheer > luck). > > What is the issue here? Note that I don't have this problem with the MR > tasks using SequenceFile as input, only with HBase's TableMapper. > Looks like https://issues.apache.org/jira/browse/HBASE-4109 ? St.Ack
