-Re: what does the yarn.nodemanager.aux-services stand for
YouPeng Yang 2013-01-29, 00:53
it is great helpful ,thank you.
2013/1/28 Harsh J <[EMAIL PROTECTED]>
> The function of yarn.nodemanager.aux-services is to run any custom
> Service  implementations from the user, in the YARN NodeManager's
> runtime. The "aux" stands for auxiliary.
> One such example of where this comes useful is the ShuffleHandler 
> service, which helps MR do its shuffle work, without needing the NM
> itself to provide a shuffle service unnecessarily (in case MR is not
> required). Therefore, a ShuffleHandler is necessary to be configured
> if you need to run MR2 apps (jobs), but not otherwise. A clear
> difference, in case you're confused between MR2 and YARN, can be found
> at .
> Do feel free to ask any further questions you have.
>  -
>  -
>  - http://www.cloudera.com/blog/2012/10/mr2-and-yarn-briefly-explained/
> On Mon, Jan 28, 2013 at 6:43 PM, YouPeng Yang <[EMAIL PROTECTED]>
> > Hi All
> > I am wondering what the yarn.nodemanager.aux-services stands for 。
> > there even is not description about it in the yarn-default.xml。So i‘ve
> > ignored it when i tried the example,as a result ,it failed。
> > I have do some google，however，everyone just setup it in the
> > yarn-site.xml,but no one tells the description about it。
> > please,helps will be appreciated .
> > .
> Harsh J