Hi list,
I'd like to start contributing to hadoop. I've spend the last couple
of days reading through documentation / guidelines, setting up my
development environment etc.
Now I was thinking the best way to get started would probably be to
start fixing some bug reports, preferably something ligh
IPC Client Connection close does not protect against partially Connection
objects
-
Key: HADOOP-6914
URL: https://issues.apache.org/jira/browse/HADOOP-6914
Project: Hadoo
Add daemon restart option
-
Key: HADOOP-6915
URL: https://issues.apache.org/jira/browse/HADOOP-6915
Project: Hadoop Common
Issue Type: Improvement
Components: scripts
Reporter: Nicolas Spiegelber
Hi ALL,
Can anyone tell me the purpose for RPC server and RPC client
that is used in hadoop. As far as logs tell, they are used by JobTracker and
TaskTracker, as well as namenode and datanode. Can anyone tell me that for
what purpose RPC server and client are used by each of them.
Ahma
hi
the periodic heartbeat call that task trackers make to the jobtracker is
thru RPC same for namenode and data nodes.
momina
On Fri, Aug 13, 2010 at 5:39 AM, Ahmad Shahzad wrote:
> Hi ALL,
>Can anyone tell me the purpose for RPC server and RPC client
> that is used in hadoop.
Bern,
Welcome!
Some documentation to help get started -
http://wiki.apache.org/hadoop/HowToContribute
Arun
On Aug 12, 2010, at 5:59 AM, Bern Hassmo wrote:
Hi list,
I'd like to start contributing to hadoop. I've spend the last couple
of days reading through documentation / guidelines, set
Hi ALL,
Does hadoop uses socket factories given in org/apache/hadoop/net
folder for creating every socket it uses??? I was looking at the code of
RPC Server in ipc directory. It creates a ServerSocket with the help of
socketchannel( the NIO package). Also RPC client creates a few socke
Hi Momina,
Is that all that RPC Server and Client is used for ???
What about the rest of the communication that happens between Jobtracker and
Tasktracker?? how the rest of the communication is done??
Ahmad
all communication regarding health of task tracker and tasks assigned to TT
from JT, info on failed tasks, completed all is communicated through
heartbeat ... what other communication are you talking about? hadoop uses
the regular heartbeat and all other info piggy backs on it ... from TT to JT
on
Hi Momina,
Thanks for replying. I wanted to know that JT and TT
interact with each other through this RPC Server and Client model, What
about the http Server Jetty what is it used for ??
Secondly, i would like to ask a related question, how does JT and TT
communicates with n
> Hi Folks,
> Just following up on this JIRA task since I did not hear back from anyone:
>
> 1) Where do I need to commit my code to for this, is it in Trunk or 0.20.2,
> also FYI the trunk branch doesn't have any examples or tests for those
> examples so I'd need to introduce new packages for
Examples are present in org.apache.hadoop.examples package in MapReduce
project. See http://hadoop.apache.org/mapreduce/version_control.html for
checking out MapReduce project.
You can go through http://wiki.apache.org/hadoop/HowToContribute to know how to
contribute. Generate patch against MapR
Thank you Amareshawari. I'll proceed based on this.
Sent from my iPad
On Aug 12, 2010, at 9:50 PM, Amareshwari Sri Ramadasu
wrote:
> Examples are present in org.apache.hadoop.examples package in MapReduce
> project. See http://hadoop.apache.org/mapreduce/version_control.html for
> checking
14 matches
Mail list logo
