hadoop-general mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sarah kho <sarah....@gmail.com>
Subject Re: What are uses of taskTracker and JobTracker services?
Date Tue, 29 Jun 2010 18:54:58 GMT
Thanks for reply.

But we have different services for each of them, for example a service for
NameNode and a Service for JobTracker, are they doing separate things each
one?



On Tue, Jun 29, 2010 at 10:20 PM, Allen Wittenauer <awittenauer@linkedin.com
> wrote:

>
> On Jun 29, 2010, at 8:07 AM, Sarah kho wrote:
>
> > Hi,
> >
> > Can you please let me know what are tasks that the taskTracker and
> > JobTracker performs?
>
> Pretty much the entirety of the MapReduce framework.  You can think of it
> this way:
>
>
> HDFS <--> MR
> NameNode <--> JobTracker
> DataNode <--> TaskTracker

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message