h all mapper, reducer tasks as well as the client.
>
> John
>
>
>
>
>
> *From:* ricky l [mailto:rickylee0...@gmail.com]
> *Sent:* Thursday, November 21, 2013 12:36 PM
> *To:* user@hadoop.apache.org
> *Subject:* Re: In YARN, how does a task tracker knows the address
s the client.
John
From: ricky l [mailto:rickylee0...@gmail.com]
Sent: Thursday, November 21, 2013 12:36 PM
To: user@hadoop.apache.org
Subject: Re: In YARN, how does a task tracker knows the address of a job
tracker?
Thank you for the answer, Omkar.
I read the links that were helpful. Though the co
Thank you for the answer, Omkar.
I read the links that were helpful. Though the concept of job tracker/task
tracker does not exist in the YARN MapReduce, doesn't it use the binary of
job/task tracker? I though the application master runs job tracker binary
and the containers in the node will run t
Hi,
Starting with YARN there is no notion of job tracker and task tracker. Here
is a quick summary
JobTracker :-
1) Resource management :- Now done by Resource Manager (it does all
scheduling work)
2) Application state management :- managing and launching new map /reduce
tasks (done by Application
s into the hadoop install.
As they say, that exercise is left to the reader.
john
From: ricky l [mailto:rickylee0...@gmail.com]
Sent: Thursday, November 21, 2013 3:40 PM
To: user@hadoop.apache.org
Subject: Re: In YARN, how does a task tracker knows the address of a job
tracker?
Hi John, thanks