Hi,
Is there an existing unit test in hadoop 2.x that tests loading a file to
hdfs?
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Best Regards,
Karim Ahmed Awara
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Thanks Devin, Yong, and Chris for your replies and suggestions. I will test
the suggestions made by Yong and Devin and get back to you guys.
As on the bottlenecking issue, I agree, but I am trying to run few MR jobs
on a traditional NAS server. I can live with a few bottlenecks, so long as
I don'
Hi,
We have 20 nodes cluster(1 namenode, 1 jobtracker, 18 datanodes). Each
node has 20 cpu cores and 64 GB memory.
How to set the values for following parameters?
-
*dfs.namenode.handler.count- dfs.datanode.handler.count- *
*mapreduce.jobtracker.handler.count*
- *mapred.child.java.opts*
Thank
In general when you have like large hardware machine like the one you have
got
you can set
dfs.namenode.handler.count = 64 (you can increase this in proportion to
your RAM)
dfs.datanode.handler.count is defaulted to 3 but you can raise it to around
6 to 10. In some blogs I have read that increasi
Thanks Nitin!
For dfs.namenode.handler.count, how many memory will be consumed for 1
thread?
2013/12/22 Nitin Pawar
> In general when you have like large hardware machine like the one you have
> got
>
> you can set
> dfs.namenode.handler.count = 64 (you can increase this in proportion to
> you
Hi All,
I am trying to execute first ever program (Word Count) in hadoop2.2.0
on Windows 7 (64bit). But do not know what's wrong with the classpath
which is making program fail at the runtime. (Failing @ container
launch)
Hadoop classpath set on my machine is
c:\hadoop\etc\hadoop;c:\hadoop\share
