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Date: Wed, 8 May 2013 09:52:15 -0400
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 <CADokdcN6Bu4V4O+xv0hr_1SpW5t4tP7=CE6rn_4C_Ap3SBJj9Q@mail.gmail.com>
Subject: Re: Rack Aware Hadoop cluster
From: Chris Embree <cembree@gmail.com>
To: user@hadoop.apache.org
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Finally, one I can answer. :)  That should be in core-site.xml (unless it's
moved from ver 1.x).  It needs to be in the configuration for NameNode(s)
and JobTracker (Yarn).

In 1.x you need to restart NN and JT services for the script to take effect.


On Wed, May 8, 2013 at 9:43 AM, Mohammad Mustaqeem
<3m.mustaqeem@gmail.com>wrote:

> Hello everyone,
>     I was searching for how to make the hadoop cluster rack-aware and I
> find out from here
> http://hadoop.apache.org/docs/r2.0.4-alpha/hadoop-project-dist/hadoop-common/ClusterSetup.html#Hadoop_Rack_Awareness that
> we can do this by giving property of "topology.script.file.name". But
> here it is not written where to put this
> <property>
>         <name>topology.script.file.name</name>
>
> <value>/home/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh</value>
> </property>
>
> Means in which configuration file.
> I am using hadoop-2.0.3-alpha.
>
>
> --
> *With regards ---*
> *Mohammad Mustaqeem*,
> M.Tech (CSE)
> MNNIT Allahabad
> 9026604270
>
>
>

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<div dir=3D"ltr">Finally, one I can answer. :) =A0That should be in core-si=
te.xml (unless it&#39;s moved from ver 1.x). =A0It needs to be in the confi=
guration for NameNode(s) and JobTracker (Yarn).<div><br></div><div style>In=
 1.x you need to restart NN and JT services for the script to take effect.<=
/div>
</div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Wed,=
 May 8, 2013 at 9:43 AM, Mohammad Mustaqeem <span dir=3D"ltr">&lt;<a href=
=3D"mailto:3m.mustaqeem@gmail.com" target=3D"_blank">3m.mustaqeem@gmail.com=
</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hello everyone,<div>=A0 =A0=
 I was searching for how to make the hadoop cluster rack-aware and I find o=
ut from here=A0<a href=3D"http://hadoop.apache.org/docs/r2.0.4-alpha/hadoop=
-project-dist/hadoop-common/ClusterSetup.html#Hadoop_Rack_Awareness" target=
=3D"_blank">http://hadoop.apache.org/docs/r2.0.4-alpha/hadoop-project-dist/=
hadoop-common/ClusterSetup.html#Hadoop_Rack_Awareness</a>=A0that we can do =
this by giving property of &quot;<span style=3D"line-height:15.59375px;font=
-size:12px;font-family:monospace"><a href=3D"http://topology.script.file.na=
me" target=3D"_blank">topology.script.file.name</a></span>&quot;. But here =
it is not written where to put this=A0</div>


<div>&lt;property&gt;</div><div>=A0 =A0 =A0 =A0 <span style=3D"white-space:=
pre-wrap">	</span>&lt;name&gt;<a href=3D"http://topology.script.file.name" =
target=3D"_blank">topology.script.file.name</a>&lt;/name&gt;</div><div>=A0 =
=A0 =A0 =A0 <span style=3D"white-space:pre-wrap">	</span>&lt;value&gt;/home=
/mustaqeem/development/hadoop-2.0.3-alpha/etc/hadoop/rack.sh&lt;/value&gt;<=
/div>


<div>&lt;/property&gt;=A0</div><div><br></div><div>Means in which configura=
tion file.</div><div>I am using hadoop-2.0.3-alpha.</div><span class=3D"HOE=
nZb"><font color=3D"#888888"><div><br></div><div><div><br></div>-- <br><div=
 dir=3D"ltr">
<i>With regards ---</i><br>

<div style=3D"text-align:left"><font color=3D"#cc0000"><b>Mohammad Mustaqee=
m</b>,</font></div><div style=3D"text-align:left"><font color=3D"#000000">M=
.Tech (CSE)</font></div><div style=3D"text-align:left">MNNIT Allahabad</div=
><div style=3D"text-align:left">


<a href=3D"tel:9026604270" value=3D"+19026604270" target=3D"_blank">9026604=
270</a></div><br><br></div>
</div></font></span></div>
</blockquote></div><br></div>

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