Arun C Murthy 2012-08-16, 18:42
mg 2012-08-16, 16:22
-Re: Relevance of mapreduce.* configuration properties for MR V2
anil gupta 2012-08-16, 16:40
AFAIK, these properties are being ignored by YARN:
On Thu, Aug 16, 2012 at 9:28 AM, mg <[EMAIL PROTECTED]> wrote:
> I am currently trying to tune a CDH 4.0.1 (i~ hadoop 2.0.0-alpha) cluster
> running HDFS, YARN, and HBase managed by Cloudera Manager 4.0.3 (Free
> In CM, there are a number of options for setting mapreduce.* configuration
> properties on the YARN client page.
> Some of the properties and their explanations in the GUI still refer to
> JobTracker and TaskTracker, e.g.,
> - mapreduce.jobtracker.handler.**count,
> - mapreduce.tasktracker.map.**tasks.maximum,
> - mapreduce.tasktracker.reduce.**tasks.maximum
> I wonder whether these and a number of other mapreduce.* (e.g.,
> mapreduce.job.reduces) properties are observed by the MR2 ApplicationMaster
> (and how), or not.
> Can anyone clarify or point to respective documentation?
Thanks & Regards,