Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # user >> Cost of bytecode execution in MapReduce


Copy link to this message
-
Re: Cost of bytecode execution in MapReduce
Are you investigating alternative map-reduce framework ?

Please read:
http://www.craighenderson.co.uk/mapreduce/

On Thu, Feb 17, 2011 at 9:45 AM, Matthew John <[EMAIL PROTECTED]>wrote:

> Hi Ted,
>
> Can u provide a link to the same ? Not able to find it :( .
>
>
> On Thu, Feb 17, 2011 at 9:54 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
> > There was a discussion thread about why hadoop was developed in Java.
> > Please read it.
> >
> > On Wed, Feb 16, 2011 at 10:39 PM, Matthew John
> > <[EMAIL PROTECTED]>wrote:
> >
> >> hi Ted,
> >> wanted to know if its development environment specific. Can u throw
> >> some light on whether there is any inherent bytecode ececution cost ?
> >> I am not using any specific development environment now (like Eclipse)
> >> .
> >>
> >> Matthew
> >>
> >> On Thu, Feb 17, 2011 at 11:52 AM, Ted Yu <[EMAIL PROTECTED]> wrote:
> >> > Is your target development environment using C++ ?
> >> >
> >> > On Wed, Feb 16, 2011 at 9:49 PM, Matthew John <
> >> [EMAIL PROTECTED]>wrote:
> >> >
> >> >> Hi all,
> >> >>
> >> >> I wanted to know if the Map/Reduce (Mapper and Reducer) code incurs
> >> >> any fixed cost of ByteCode execution. And how do the mappers (say of
> >> >> WordCount MR) look like in detail (in bytecode detail) ?? Any good
> >> >> pointers to this ?
> >> >>
> >> >> Thanks,
> >> >> Matthew John
> >> >>
> >> >
> >>
> >
>